Computer science test Computer as a universal device for working with information Grade 7
Computer science test Computer as a universal device for working with information for 7th grade students. The test contains 23 tasks. There are answers at the end of the test.
1. Choose the most complete definition.
a) A computer is an electronic device with a keyboard and a 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 program-controlled device for working with information
2. Specify which device group only lists input devices:
a) printer, monitor, speakers, microphone b) keyboard, scanner, microphone, mouse c) keyboard, joystick, monitor, mouse d) flash memory, scanner, microphone, mouse
3. After turning off the computer's power, the following information is retained:
a) in RAM b) in the processor c) in external memory d) in video memory
4. A computer program can control the operation of a computer if it is:
a) in RAM b) on DVD c) on hard drive d) on CD
5. Complete by analogy: a person is a notebook, a computer:
a) processor b) long-term memory c) keyboard d) monitor
6. Computer performance (speed of operations) depends on:
a) processor clock speed b) monitor screen size c) network voltage d) keystroke speed
7. How many 600 MB CDs will be needed to store information that completely occupies a 40 GB hard drive?
a) 15 b) 67 c) 68 d) 69
8. Two identical servers can process 2 million requests from user computers in 2 seconds. How many millions of requests can 6 such servers process in 6 seconds?
a) 6 b) 9 c) 12 d) 18
9. The bandwidth of a certain communication channel is 128,000 bps. How long will it take to transfer a 500 KB 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 KB in size will, at best, be transmitted:
a) 5 min. b) more than 15 minutes. c) 10 min. d) 2.5 min.
11. The set of all programs designed to be executed on a computer is called:
a) programming system b) software c) operating system d) applications
12. A set of programs that ensure the joint functioning 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 which the user solves his information problems without resorting to programming are called:
a) drivers b) utility 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 detected on the computer at the same time. After what time will there be no area left in 1 GB of memory that is 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) a named area in external memory c) a program placed in RAM and ready for execution d) data located in memory and used by some program
16. The file type can be determined by knowing it:
a) size b) expansion c) date of creation e) placement
17. For ease of working with files, they are grouped:
a) in root directories b) in archives c) in directories e) on a floppy disk
18. The full path to the file is C:\BOOK\name_may_1.ppt. The extension of this file is:
a) name_may_1 b) may_1.ppt c) ppt d) C:\BOOOK\
19. The full file name was C:\Tasks\Physics.doc. It was moved to the Tasks directory in the root directory of the D: drive. What was the full filename after the move?
a) D:\Tasks\Physics.txt b) D:\Tasks\Physics.doc c) D:\Tasks\Tasks\Physics.doc d) D:\Tasks\Tasks\Physics.doc
20. The file Literature List.txt is stored in a certain directory. In this directory, we created a subdirectory named 7_CLASS and moved the file List_literature.txt into it. After which the full name of the file became D:\SCHOOL\INFO\7_CLASS\Literature_list.txt What is the full name of the directory in which 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 file names matches the mask: ?hel*lo.c?*
a) hello.c b) hello.cpp c) hhelolo.cpp d) hhelolo.c
22. The set of means and rules for user interaction with a computer is called:
a) hardware interface b) process c) control object d) user interface
23. Which of the following functions are displayed by window state control buttons?
a) collapse, copy, close b) cut, copy, paste c) collapse, expand, restore, close d) cut, copy, paste, close.
Answers to the computer science test Computer as a universal device for working with information 1-d 2-b 3-c 4-a 5-b 6-a 7-d 8-d 9-b 10-d 11-b 12-c 13 -c 14-b 15-b 16-b 17-c 18-c 19-b 20-b 21-c 22-d 23-c
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