Final test in computer science for the course of the 7th grade
Explanatory note
Training program: basic course "Informatics and ICT" for grade 7
UMK - Bosova L.L. Informatics: Textbook for grade 7 / L.L. Bosova, A. Yu. Bosova - M .: BINOM. Knowledge laboratory.
Class: 7a, b, c, d
purpose of work: to carry out an objective individual assessment the level of general education of 7th grade students in computer science.
Work structure
The work is designed for two options. Each variant has 17 tasks: 1-13 tasks are of a test nature, 14-17 are tasks with a detailed full answer.
Distribution of the content of work by type of activity
List of content items checked final test in computer science.
The test work level is basic.
Time of work
Test work is carried out at the appointed time in accordance with work program.
40 minutes are allotted for the test work in computer science.
Criteria for evaluating the work.
Tasks in the control work are assessed depending on the complexity of the task with a different number of points indicated in the table.
| № tasks | Number of points |
| 1 point - correct answer; 0 points - wrong answer Total: 13 points |
|
| 2 points - correct answer; 1 point - 1 mistake was made Total: 2 points |
|
| The total number of pixels is determined - 1 point The i-value is calculated - 1 point Calculated volume - 1 point Total: 3 points. |
|
| The total number of characters in the document is determined - 1 point The conversion of the units of measurement of the information volume of the message has been carried out correctly - 1 point The information volume of the message is calculated - 1 point Calculations were performed with powers of 2 - 1 point Total: 4 points. |
|
| 2 points - correct answer; 1 point - 1 mistake was made 0 points - 2 or more mistakes were made Total: 2 points |
|
| Total | 24 points |
When giving marks, it is advisable to adhere to the following generally accepted ratios:
Converting points to a 5-point mark:
equipment requirements- individually printed test.
Working conditions
When performing work in the classroom, informatics teachers who worked with these students, as well as assistants, are allowed.
You can prepare for the test using L. Bosova's textbooks for grade 7
Demo test
Option 1
According to the form of presentation, information can be conditionally divided into the following types:
a) mathematical, biological, medical, psychological, etc.
b) symbolic and figurative
c) everyday, scientific, industrial, managerial
d) visual, auditory, tactile, olfactory, gustatory
Discretization of information is:
a) a physical process that changes over time
b) quantitative characteristic of the signal
c) the process of converting information from continuous form to discrete
d) the process of converting information from a discrete form to a continuous
In which line are the information units in ascending order?
a) gigabyte, megabyte, kilobyte, byte, bit
b) bit, byte, megabyte, kilobyte, gigabyte
c) byte, bit, kilobyte, megabyte, gigabyte
d) bit, byte, kilobyte, megabyte, gigabyte
The two texts contain the same number of characters. The first text is composed of alphabetical characters with a power of 16, and the second text is composed of alphabetical characters with a power of 256. How many times is the amount of information in the second text greater than in the first?
a) 12
b) 2
c) 24
d) 4
Which line correctly represents the information transfer scheme?
a) source -> encoder -> decoder -> receiver
b) source → encoder → communication channel → decoder → receiver
c) source → encoder → interference → decoder → receiver
d) source → decoder → communication channel → encoder → receiver
Graphic file extensions include:
a) txt, doc, dot
b) bas, pas, cal
c) exe, com, bat
d) sys, bak
e) gif, bmp, jpg
The minimum required set of devices for computer operation contains:
a) Printer, system unit, keyboard
b) System unit, monitor, keyboard
c) Processor, mouse, monitor
d) Printer, hard drive, monitor, mouse
Permanent storage is used for:
a) storing the user program during operation
b) records of especially valuable application programs
c) storage of constantly used programs
d) storage of boot programs for the computer and testing of its nodes
e) permanent storage of especially valuable documents
The spatial resolution of a monitor is defined as:
a) the number of lines on the screen
b) the number of pixels per line
c) video memory size
d) the product of the number of image lines by the number of points in a line
The color of a pixel on the monitor screen is formed from the following basic colors:
a) red, blue, green
b) red, yellow, blue
c) yellow, blue, purple
d) red, orange, yellow, green, blue, blue, purple
A graphics editor is:
a) a device for creating and editing drawings
b) a program for creating and editing text images
c) a device for printing drawings on paper
d) a program for creating and editing drawings
Hypertext is ...
a) very big text;
b) the text in which the font is used big size;
c) it is a text organized in such a way that it can be viewed in a sequence of semantic connections between its individual fragments.
The following encrypted radio message was received from the scout, transmitted using Morse code:
- ∙ - ∙ - ∙ - - ∙ ∙ - ∙ ∙ - ∙ - ∙ ∙
During the transmission of the radiogram, the division into letters was lost, but it is known that only the following letters were used in the radiogram:
Decrypt the radiogram.
Write down the decrypted radiogram in your reply.
Calculate the amount of video memory, necessary for storing a graphic image that occupies the entire monitor screen with a resolution of 1280 x 1024 and a palette of 65,536 colors. Write down the answer in MB.
An article typed on a computer contains 16 pages, each page contains 32 lines, each line contains 20 characters. Determine the information volume articles in one of the Unicode encodings, in which each character is encoded in 16 bits. Write down the answer in Kbytes.
17. Set the correspondence:
The keys to the test
14. NNKNLKN
17.1) B, 2) C, 3) A
List of sources
Bosova L.L. Computer science. Planned results. System of tasks. 7-9 grades: textbook. manual for educational organizations / -M.: Education, 2017 - 144 p. - (We work according to new standards)
Bosova L.L., Bosova A.Yu., Informatics and ICT. Textbook for grade 7 / - M .: Publishing house "BINOM. Knowledge laboratory ", 2017
http://oge.fipi.ru - Bank of open tasks of the OGE in informatics
1. Computer and software.
The history of the development of computer technology.
Computer device: processor, input and output devices, operational and long-term memory, types of personal computers.
Data and programs.
Files and file system.
Computer software: system and applied.
Licensed, shareware and freeware programs.
Operating system and application graphical interface.
File system representation using a graphical interface.
The main elements of the graphical interface: desktop, windows, dialog panels, context menus of objects.
Computer viruses and antivirus programs.
2. Technology for processing graphic information.
Raster and vector graphics.
Raster and vector graphic editors.
Saving graphic files in various formats.
The interface of graphic editors: drawing area, drawing tools, drawing editing, color palette, text tools, geometric transformations.
Systems computer drawing.
Computer drawing system KOMPAS.
Construction of basic drawing objects.
Computer presentations. Multimedia interactive presentations. Presentation design and slide layouts. Using animation and sound in your presentation. Demonstration presentation.
Entrance test in informatics grade 7.
Part 1
Option 1
Information is ...
Latest posts about computer models.
The document of the greatest value in production.
New information about the world around us.
Information is an undefined concept.
What is an operating system?
A set of programs that control the work of a PC.
A collection of specific PC nodes.
A set of programs that allows you to create new programs.
A program that allows you to effectively use your computer in accordance with the needs of users.
Determine the required set of devices for the computer to work, without which he will not be able to work.
Printer, system unit, keyboard.
Processor, memory, monitor, keyboard, mouse.
Mouse, processor, monitor, memory.
Memory, printer, keyboard, monitor, mouse, processor.
AboutoperationalPC memory (RAM) can be said:
cleared when the PC is turned off;
Whatsuchbyte?
Computer memory
Unit of information amount
Combination of numbers 0 and 1
A student retells the news he heard to another student on TV. What informational processes are performed by the student?
Reception and transmission
Reception and processing
Reception, processing and storage
Reception, transmission and storage
Reception, transmission, storage and processing
Define the edit keys:
When working inWindowsthe Save command is applied ...
Definetype of information "exercise in a textbook on the Russian language"
sound;
numeric;
graphic;
text.
Key ENTER intended for….
go to the next line;
no option.
AtworkvWINDOWSfolders are for:
placing files and organizing easier access to them;
quickly putting things in order on the Desktop;
deleting files;
for temporary storage of information.
issues a certificate;
shuts down the PC;
The desktop is ...
application icon;
the main screen of the operating system.
Editor WordPad created for….
creating, editing and saving a document;
creating, editing, formatting and saving tables;
creating, editing, formatting and saving a text document;
storing specially organized data.
ProgramCalculator created for….
work with text information;
work with numerical information.
ForTogoto display the context menu of an object:
a) right-click;
click the left mouse button;
select the appropriate line command Menu;
select the appropriate button Toolbars;
What is itmeans?
Type of font
Font size
The location of the text on the page (10 cm to the right or left, above or below the borders of the sheet)
Markers (a pointer to a single item in a list)
Text color
Using programsMultimedia you can (enter wrong answer):
create sound files;
include sound files in documents;
to accompany sound files OS events Windows
lose Multimedia CDs;
reproduce sounds recorded on audio cassettes.
Forwhat is the shopping cart needed?
it special folder Windows systems, intended for temporary storage of deleted objects
Deletes all objects and does not restore them
This is a folder that contains a list of programs that a PC user most often works with.
This is a beautiful desktop icon
Option 2
Computer science is ...
The science of the device and how the computer works
The science of the location of information in a computer
The science of information, its properties, methods of presentation, methods of collection, processing, storage, transmission
Computer Network Science
Program- this is …
part of computer electronic microcircuits
a list of commands that the computer can execute.
instruction for a person working on a computer.
an instruction compiled in a language understandable by a computer, which is stored as a file on disk.
Continue the row by selecting the missing output deviceinformation: monitor, printer, ...
headphones;
keyboard;
system unit;
What do papyrus, birch bark, book, floppy disk have in common?
the material from which they are made;
data storage;
price.
Opermanentstorage device (ROM) of the PC can be said:
saved when the PC is turned off;
cleared when the PC is turned off;
the piece of memory where the operating system is located;
Whatsuchbit?
Computer memory
A unit of information amount equal to 0 or 1
Combination of numbers 0 and 1
Determine the type of information ODOR OF FLOWERS.
visual;
auditory;
olfactory;
gustatory.
Define cursor keys:
Arrow keys
Pade up, pade down
Enter, space
Shift, Caps Lock
Windows is ...
drawing program
program for creating text documents (abstracts, letters, etc.)
program for working with numbers
operating system
When working inWindowsthe Save As command applies ...
to save the file to random access memory;
to delete files from RAM;
to write a file after changing it with an existing name;
to save the file under a new name or on another medium.
Label- this is…
a special icon that points to a specific file;
document icon;
program icon;
a special icon that points to a remote file.
Key Shift intended for….
turning on capital letters mode;
go to the next line;
enabling the numeric keyboard;
no option.
issues a certificate;
shuts down the PC;
minimizes the window to the taskbar;
closes the window and exits the application.
By appointmenteditorPaint is an
drawing creation;
creation of charts and graphs;
creation of animation images (animation);
treatment text information
ProgramSound recording intended for….
storing specially organized data;
work with graphic information;
processing audio information;
listening to music files.
Dialoguethe window is ...
a special icon that points to a specific file;
folder for storing documents;
the window in which the program is located to create a file
window for setting parameters of a program or system
help window
selects a rectangular fragment of the picture;
draws a rectangle;
selects a fragment of the picture along the path of the cursor (an arbitrary area of the picture);
highlights the entire drawing.
Italic (italic font)
Underlined font
Bold type font
Text color - yellow
What is a file?
Information bearing a name
Data written to disk under a specific name
Information created in the program (drawing in a graphical editor, text in a test editor, etc.)
The Internet is ...
Local computer network (connected computers in the classroom)
World computer network
Urban computer network (for example, G-Net)
National computer network (network within one country)
Part 2.
1. Arrange the computing devices in the order of invention:computer, abacus, calculator, adding machine, counting (slidearithmic) ruler.
Answer: abacus, ruler, adding machine, calculator, computer
2. Solve the problem.
The clowns Am, Bam and Tam entered the arena with their dogs, whose names were Um, Boom and Gumm. Each dog's name did not begin with the first letter of the owner's name. Am is the master of Gumm. Determine the name of the owner of each dog.
Answer: Am - Gumm, Bam - Um, Tam - Boom.
3. Name the "extra" device of a modern computer: hard drive, monitor, laser disc, magnetic tape.
Answer: magnetic tape
4. In the children's game “Guess the number”, the first participant asked a number in the range from 1 to 16. The second participant asks questions: “The given number is greater ...”. With the correct strategy, how many questions are guaranteed to be guessed (the interval of numbers in each question is halved)?
Answer options
5. Out of nine coins, one is counterfeit. Differs from others in heavier weight. It can be determined by weighing on a pharmaceutical balance. Will the minimum required number of weighings be?
Answer options
6. It is known that on one door the inscription is true, on the other it is false. If the inscription on the first door reads "There is treasure behind this door", and on the second door: "Treasure behind both doors", then:
Answer options
treasure behind both doors;
treasure only behind the first door;
the treasure is only behind the second door;
there is no treasure behind any door;
* it is impossible to establish a certain place of the treasure.
7. Number the steps (in the left column) in the order you need to get ready for school in the morning:
| Have breakfast | ||
| Do exercise | ||
| Collect a portfolio | ||
Each action is indicated by a letter. What word did you end up with? Can you explain what it means?
Answer: ALGORITHM - actions in order
8. Answer the questions: What are the advantages of a computer? What are the advantages of a person?
KEYS TO TESTS:
| Option 1 | Option 2 |
||
CONTROL TEST TASKS (grade 7)
according to the textbook " Bosova L.L., Bosova A.Yu. Informatics: a textbook for grade 7. M .: BINOM. Knowledge laboratory, 2014 "
Topic "Information and information processes"
1. Which of the following statements most accurately reveals the meaning of the concept of "information" from an ordinary point of view?
a) a sequence of characters of a certain alphabet
b) the book fund of the library
c) information about the surrounding world and the processes occurring in it, perceived by a person directly or with the help of special devices
d) information contained in scientific theories
2. A signal is called continuous:
c) carrying text information
3. A signal is called discrete:
a) taking a finite number of certain values
b) continuously changing in time
c) which can be decoded
d) carrying any information
4. Information that does not depend on personal opinion or judgment is called:
a) understandable b) relevant c) objective d) useful
5. Information that is essential and important at the moment is called:
a) useful b) relevant c) reliable d) objective
6. According to the way a person perceives, the following types of information are distinguished:
a) text, numerical, graphic, tabular, etc.
b) scientific, social, political, economic, religious, etc.
c) everyday, production, technical, managerial
7. It is known that a physically healthy person receives the largest amount of information with the help of:
a) hearing organs
b) organs of vision
c) organs of touch
d) organs of smell
e) taste buds
8. Indicate the "extra" object from the point of view of the agreement on the meaning of the signs used:
b) road signs
d) musical signs
9. Indicate the "extra" object in terms of the type of writing:
a) Russian language
b) English
c) Chinese
d) French
10. Formal languages include:
a) Russian language
b) Latin
c) Chinese
d) French
11. According to the form of presentation, information can be conditionally divided into the following types:
a) mathematical, biological, medical, psychological, etc.
b) symbolic and figurative
c) everyday, scientific, industrial, managerial
d) visual, auditory, tactile, olfactory, gustatory
12. Discretization of information is:
a) a physical process that changes over time
b) quantitative characteristic of the signal
c) the process of converting information from continuous form to discrete
d) the process of converting information from a discrete form to a continuous
13. Give the most complete answer.
Binary coding uses an alphabet consisting of
b) the words YES and NO
c) signs + and -
d) any two characters
14. How many different sequences of plus and minus symbols are there, exactly six characters long?
a) 64 6) 50 c) 32 d) 20
15. For five letters of the Latin alphabet, their binary codes are given (for some letters - from two bits, for some - from three bits). These codes are presented in the table:
Determine which set of letters is binary encoded 0110100011000.
a) EBCEA 6) BDDEA c) BDCEA d) EBAEA
16. The chessboard consists of 8 columns and 8 rows. What is the minimum number of bits required to encode the coordinates of one chess board?
a) 4 6) 5 c) 6 d) 7
17. In which line are the units of information in ascending order?
a) gigabyte, megabyte, kilobyte, byte, bit
b) bit, byte, megabyte, kilobyte, gigabyte
c) byte, bit, kilobyte, megabyte, gigabyte
d) bit, byte, kilobyte, megabyte, gigabyte
18. The size of the message is 11 KB. The message contains 11,264 characters. What is the cardinality of the alphabet with which the message is written?
a) 64 6) 128 c) 256 d) 512
19. Given a text of 600 characters. It is known that characters are taken from a 16 x 32 table. Determine the information volume of the text in bits.
a) 1000 6) 2400 c) 3600 d) 5400
20. Two texts contain the same number of characters. The first text is composed of alphabetical characters with a power of 16, and the second text is composed of alphabetical characters with a power of 256. How many times is the amount of information in the second text greater than in the first?
a) 12 6) 2 c) 24 d) 4
21. Information processes are:
a) the processes of construction of buildings and structures
b) processes of chemical and mechanical water purification
c) the processes of collecting, storing, processing, searching and transferring information
d) electricity generation processes
22. Under the information carrier it is customary to mean:
a) communication line
b) the Internet
c) computer
d) a material object on which information can be recorded in one way or another
23. Which line correctly represents the information transfer scheme?
a) source -> encoder -> decoder -> receiver
b) source -> encoder -> communication channel -> decoder -> receiver
c) source - > encoder -> interference -> decoder - > receiver
d) source - > decoder -> communication channel -> encoder -> receiver
24. Hypertext is:
a) very large text
b) text in which links can be clicked
c) text typed on a computer
d) text that uses a large font
25. A search engine is NOT:
a) Google
b) FireFox
c) Rambler
d) Yandex
26. Requests to search engine... Which query will find the largest number of matching pages?
a) breeding & keeping & swordtails & catfish
KEY to the test
Topic "Computer as a universal device for working with information"
1. Choose the most complete definition.
a) A computer is an electronic device with a keyboard and screen
b) A computer is a device for performing calculations
c) A computer is a device for storing and transmitting information
d) A computer is a universal electronic software-controlled device for working with information
2. Specify in which of the device groups only input devices are listed:
a) printer, monitor, acoustic speakers, microphone
b) keyboard, scanner, microphone, mouse
c) keyboard, joystick, monitor, mouse
d) flash memory, scanner, microphone, mouse
3. After turning off the power of the computer, the information is saved, which is:
a) in RAM
b) in the processor
c) in external memory
d) in video memory
4. Computer program can control the operation of the computer if it is located:
a) in RAM
b) on DVD
c) on hard disk
d) on CD
5. Supplement by analogy: a person - a notebook, a computer:
a) processor
b) long-term memory
c) keyboard
d) monitor
6. Computer performance (speed of operations) depends on:
a) clock frequency processor
b) monitor screen size
c) mains voltage
d) keystroke speed
7. How many CDs with a volume of 600 MB will be required to accommodate information that completely occupies HDD capacity of 40 GB?
8. Two identical servers in 2 seconds can process 2 million requests from user computers. How many million requests can 6 such servers handle in 6 seconds?
9. The throughput of a certain communication channel is equal to 128,000 bit / s. How long will it take to transfer a 500KB file over this channel?
a) 30 s b) 32 s c) 4 min. d) 240 s
10. With an Internet connection with a maximum data transfer rate of 192 Kbps, an audio file of 3600 Kbytes will be transmitted at best:
a) 5 min. b) more than 15 minutes. c) 10 min. d) 2.5 minutes.
11. The set of all programs designed to run on a computer is called:
a) programming system
b) software
c) operating system
d) applications
12. A set of programs that ensure the joint operation of all computer devices and provide the user with access to its resources is:
a) file system
b) application programs
c) operating system
d) service programs
13. Programs with the help of which the user solves his information problems without resorting to programming are called:
a) drivers
b) service programs
c) application programs
d) text editors
14. Computer virus A damages 1 GB of memory in one month, virus B damages 1 GB in two months, virus C damages 1 GB in three months, virus D damages 1 GB in six months. All four viruses were simultaneously detected on the computer. How long will it take for 1 GB of memory to have an area not damaged by viruses?
a) a quarter of a month
b) half a month
c) one month
d) two months
15. The file is:
a) the name of the program or data used on the computer;
b) named area in external memory
c) a program placed in RAM and ready for execution
d) data located in memory and used by any program
16. The file type can be determined by knowing it:
a) size
b) expansion
c) date of creation
e) placement
17. For the convenience of working with files, they are grouped:
a) to the root directories
b) to the archives
c) to directories
e) on a floppy disk
18. The full path to the file is C :\ BOOK \ name _ may _ l . ppt... The extension of this file is:
a) name _may _l
b) may_l.ppt
c) ppt
d) C: \ VOOK \
19. The full name of the file was C: \ Tasks \ Physics.d os. It was moved to the Tasks directory of the root directory of the D: drive. What is the full filename after the move?
a) D: \ Tasks \ Physics.txt b) D: \ Tasks \ Physics.doc
c) B: \ Tasks \ Tasks \ Physics.d os d) D: \ Tasks \ 3a dachi \ Physics.doc
20. In some directory the file Literature_List is stored.txt ... A subdirectory named 7_ was created in this directory.CLASS and moved the file Literature_List into it.txt ... After which the full name of the file becameD :\ SCHOOL \ INFO \ 7_ CLASS \ Bibliography.txt
What is the fully qualified name of the directory where the file was stored before moving?
a) D: \ SCHOOL \ INFO \ 7_CLASS
b) D: \ SCHOOL \ INFO
c) D: \ SCHOOL
d) SCHOOL
21. Determine which of the specified filenames matches the mask:? Hel * lo .c? *
a) hello. with
b) hello. cpp
c) hhelolo.cpp
d) hhelolo.c
22. The set of means and rules of interaction between a user and a computer is called:
a) hardware interface
b) process
c) object of management
23. Which of the following functions are displayed by the window state control buttons?
a) minimize, copy, close
b) cut, copy, paste
c) minimize, expand, restore, close
d) cut, copy, paste, close.
KEY to the test
Topic "Processing graphic information»
1. The devices for inputting graphic information include:
a) printer b) monitor c) mouse d) video card
2. The devices for outputting graphic information include:
a) scanner b) monitor c) joystick d) graphic editor
3. The smallest image element on graphic screen is an:
a) cursor b) character c) pixel d) line
4. The spatial resolution of the monitor is defined as:
a) the number of lines on the screen
b) the number of pixels per line
c) video memory size
d) the product of the number of image lines by the number of points in a line
5. The color of a pixel on the monitor screen is formed from the following basic colors:
a) red, blue, green
b) red, yellow, blue
c) yellow, blue, purple
d) red, orange, yellow, green, blue, blue, purple
6. Color depth is a quantity:
a) colors in the palette
b) bits that are used to encode the color of one pixel
c) basic colors
d) image pixels
7. Video memory is intended for:
a) storing information about the color of each pixel of the monitor screen
b) storing information about the number of pixels on the monitor screen
c) permanent storage of graphic information
d) displaying graphic information on the monitor screen
8. A graphic object is not:
a) figure b) text of the letter c) diagram d) drawing
9. A graphic editor is:
a) a device for creating and editing drawings
b) a program for creating and editing text images
c) a device for printing drawings on paper
d) a program for creating and editing drawings
10. Dignity of a bitmap:
a) crisp and clear contours
b) small file size
c) color accuracy
d) the ability to scale without loss of quality
11. Vector images are built from:
a) individual pixels
b) graphic primitives
c) fragments of finished images
d) segments and rectangles
12. Raster graphic editor Is not:
a) Gimp b) Paint c) Adobe Photoshop d) CorelDraw
13. An uncompressed bitmap with a size of 64 x 512 pixels takes up 32 KB of memory. What is the maximum possible number of colors in the image palette?
a) 8 6) 16 c) 24 d) 256
14. A bitmap was saved in the pl .bmp file as a 24-bit image. How many times will the information volume of the p 2.bmp file be smaller if the same image is saved in it as a 16-color drawing?
a) 1.5 6) 6 c) 8 d) the file size will not change
15. A color image of 25 x 30 cm is scanned. The resolution of the scanner is 300 x 300 dpi, color depth is 3 bytes. What information volume will the received graphic file?
a) about 30 MB
b) about 30 Kb
c) about 200 MB
d) about 10 MB
16. Calculate the amount of video memory required to store a graphic image that occupies the entire screen of a monitor with a resolution of 1280 x 1024 and a palette of 65,536 colors.
KEY to the test
Text Processing Topic
1. What is missing in the line: "Symbol - ... - string - text fragment"?
a) word b) sentence c) paragraph d) page
2. The text editor menu is:
a) part of its interface, providing a transition to performing various operations on the text
b) a subroutine that provides management of PC resources when creating a document
c) the window through which the text is viewed on the screen
d) information about current state text editor
3. Specify the main position of your fingers on the keyboard:
a) FYWA - OLDZH
b) ABVG - DEUZH
c) OLDZH - FYWA
4. Information about the location of the cursor is indicated:
a) in the status bar of the text editor
b) in the text editor menu
c) in the text editor window
d) on the taskbar
5. Ivan was typing on the computer. All of a sudden, all his letters began to be entered in capital letters. What happened?
a) the computer crashed
b) there was a failure in text editor
c) the CapsLock key was accidentally pressed
d) the NumLock key was accidentally pressed
6. Which of the following sentences has the correct spaces between words and punctuation marks?
a) It's time that iron: strike, the generation is boiling!
b) It's time that iron: strike, the generation is boiling!
c) It's time that iron: strike, the generation is boiling!
d) It's time that iron: strike, the generation is boiling!
7. Tanya is typing a very long sentence on the computer. The cursor has already approached the end of the line, and the girl must enter a few more words. What should Tanya do in order to continue entering the sentence on the next line?
a) press the Enter key
b) move the cursor to the beginning of the next line using the cursor arrows
c) continue typing without paying attention to the end of the line - the cursor will jump to a new line automatically
d) move the cursor to the beginning of the next line using the mouse
8. What happens when the Enter key is pressed if the cursor is inside a paragraph?
a) the cursor will move to the next line of the paragraph
b) the cursor will move to the end of the current line
c) the paragraph will be split into two separate paragraphs
d) the cursor will remain in the same place
9. Text editing is:
a) Process for revising existing text
b) the procedure for saving text to disk as a text file
c) the process of transmitting textual information on computer network
d) the procedure for reading a previously created text from an external storage device
10. The position of the cursor in the misspelled word is marked with a dash: MO | ANITOR To correct the error, press the key:
11. The position of the cursor in the misspelled word is marked with a line: DIAGRAM | MA
To correct the error, press the key:
a) Delete b) Backspace c) Delete or Backspace
12. When working with text, the Insert key is used to:
a) switching the insert / replace mode
b) switching the mode of dialing letters lowercase / uppercase
c) switch keyboard layouts Russian / Latin
d) delete the character to the left of the cursor
13. To move the cursor to the beginning of the text, press:
a) Ctrl + Home b) Esc c) Caps Lock d) Page Up
14. A fragment of the text is:
b) proposal
c) continuous part of the text d) paragraph
15. Copying a text fragment in a text editor primarily involves:
a) selection of the copied fragment
b) selection of the corresponding menu item
c) opening a new text box
16. If a fragment was placed on the clipboard, how many times can it be inserted into the text?
b) it depends on the number of lines in the given fragment
c) as many times as required
17. The clipboard is:
a) RAM section
b) section of the hard magnetic disk
c) part of the input device
d) ROM section
18. What is the clipboard for?
a) for long-term storage of several fragments of text and figures
b) for temporary storage of copies of fragments or deleted fragments
c) to correct errors when entering commands
d) for sending text to print
19. How many words will be found in the process automatic search in the sentence: “Far beyond the shallows, in the spruce forest, a bird's trill was heard”, if you set the word “spruce” as a sample?
a) 0 6) 1 c) 2 d) 3
20. To read a text file from disk, you must specify:
a) file sizes
b) file name
c) file creation date
21. In some word processor you can use only one font and two styles - bold and italic. How many different character styles can you get?
a) 2 6) 3 c) 4 d) c
22. Indicate "unnecessary": a) insert
b) changing the style
c) color change
d) alignment
23. Considering that each character is encoded in one byte, determine what the information volume of the following statement by Jean-Jacques Rousseau is equal to:
Thousands of paths lead to error, to truth - only one.
a) 92 bits b) 220 bits c) 456 bits d) 512 bits
24. Assuming that each character is encoded in Unicode, estimate the information volume of the following phrase:
There are 6,000 milliliters in six liters.
a) 1024 bytes b) 1024 bits c) 512 bytes d) 512 bits
25. The automatic device has transcribed the information message in Russian, originally written in 16-bit Unicode code, into 8-bit KOI-8 encoding. In this case, the information message has decreased by 800 bits. What is the length of the message in characters?
a) 50 6) 100 c) 200 d) 800
26. To store text in eight-bit encoding, 10 Kbytes are required. How many pages will this text take if the page contains 40 lines of 64 characters per line?
a) 4 6) 40 c) 160 d) 256
27. The stage of preparing a text document, at which it is entered into external memory is called:
a) copying
b) preservation
c) formatting
d) input
28. The text typed in a text editor is stored on an external storage device in the form of:
b) encoding tables
c) directory
29. Which of the following formats does not apply to the file formats in which they save text documents?
a) TXT 6) DOC b) ODT d) RTF e) PPT
KEY to the test
Computer Science Test An introduction to computer science for grade 7 students with answers. The test consists of 2 parts (part A and part B). In part A - 7 tasks in part B - 2 tasks.
Tasks A - basic level of difficulty (1 correct answer)
Tasks B - increased difficulty level (sequence of characters)
A1. The student makes a plan for writing an essay on a literary work. This information process called:
1) obtaining information
2) storage of information
3) transmission of information
4) transformation of information
A2. The ability of living organisms to reflect various properties of the surrounding world realizes the possibility of their participation in the information process:
1) obtaining information
2) storage of information
3) transmission of information
4) transformation of information
A3. A computer device that performs operations on data and controls other computer devices is called:
1) controller
2) keyboard
3) RAM
4) processor
A4. Operating system- this is:
1) a program that provides an image display on the monitor screen;
2) a set of programs that ensure the allocation of resources and the organization of the work of other programs;
3) a system of programs that allow you to create and edit various information objects;
4) a set of programs designed to work with files (viewing content, copying, renaming, etc.).
A5. Free software- this is:
1) programs that you can install on your computer for free
2) programs that can be used for free to create non-commercial information products
3) programs that can be installed by the user, copied and modified by him without restrictions
4) programs that are not covered by copyright
A6. The user worked with the directory
С: \ Informatics \ Problem book \ Information processes \ Solutions
First he went up two levels, then went down to the catalog Theory, after that went down to the directory Information... Specify the full path to the directory where the user is now working.
1) C: \ Informatics \ Theory \ Information
2) C: \ Informatics \ Problem book \ Theory \ Information
3) C: \ Informatics \ Problem book \ Information
4) C: \ Informatics \ Problem book \ Information processes \ Decisions \ Theory \ Information.
A7. To compute with the app Calculator the following expression was written:
(9 + 13)/11/2 — 12/(4 + 2)*3
This expression corresponds to the mathematical notation:
IN 1. Write down, in ascending order, separated by commas, the numbers under which the information processes are indicated in the list below:
1) melting snow
2) weighing the goods in the store
3) an increase in temperature in a sick person
4) the student writing out the answer to the problem
5) discussion of a literary work in class
6) exchange of stamps of two collectors
IN 2. The list contains several information processing processes. Some are formal processing and some are heuristic. Write down, in ascending order, separated by commas, the numbers of those processes that represent formal information processing.
1) Calculating the area of a rectangle by its length and width.
2) Highlighting the subject in a simple non-circulated sentence.
3) Choosing the smallest number from a given set of natural numbers.
4) Drawing up a plan for answering the teacher's question.
5) Choosing the correct answer in A1 above.
6) Search for the word you are interested in in the dictionary.
Computer Science Test Answers Introduction to Computer Science
Part A
A1-4
A2-1
A3-4
A4-2
A5-3
A6-2
A7-3
Part B
B1-245
B2-1236
