Computer science tests with answers (More than 100 Questions)

Computer science tests

1. What is the name of a group of files that is stored as a separate group and has its own name?

– Byte

+ Catalog

– Floppy disk

2. What is the name of the data or program on a magnetic disk?

– Folder

+ File

– Floppy disk

3. What characters are allowed in a file name or directory name in Windows?

– Numbers and only Latin letters

+ Latin, Russian letters and numbers

– Russian and Latin letters

4. Select the file name anketa with the txt extension.

– Questionnaire. txt.

+ Anketa.txt

– Anketa/txt.

5. You specified an invalid directory name.

– CD2MAN;

– CD-MAN;

+ CD\MAN;

6. What is the largest number of characters a file or directory name can contain in Windows?

+ 255

– 10

– 8

7. What is the largest number of characters a file name extension can have?

+ 3

– 8

– 2

8. What is the extension of executable files?

– exe, doс

– bak, bat

+ exe, com, bat

9. What does a computer need to function properly?

– Various application programs

+ Operating system

– Floppy disk in the drive

10. How many windows can be open at the same time?

+ a lot

– one

– two

11. Which symbol replaces any number of any symbols?

-?

– \

+ *

12. Which character replaces only one character in a file name?

+ ?

– \

– *

13. How to write: “All files without exception”?

– ?.?

+ *.*

– *.?

14. You specified an invalid directory name.

– VARIOUS

+ TER**N

– REMBO

15. The SSS subdirectory is located in the YYY directory. What is the name of the YYY directory relative to the SSS directory?

– root

– subsidiary

+ parent

16. What does the computer do immediately after turning on the POWER?

– system reboot

+ device check and memory testing

– loading the program

17. What needs to be done to perform a warm start of the OC?

– insert the system diskette into the drive

+ Press the RESET button

– type the program name, press ENTER.

18. Can multiple windows be active at the same time?

– yes

+ no

19. Which window is considered active?

– the first of the open

– any

+ the one in which we work.

20. Can a directory and the files in it have the same name?

– yes

+ no

21. Can there be two files with the same name in one directory?

– yes

+ no

22. Can there be two files with the same names in different directories?

+ yes

– No

23. How many programs can run simultaneously?

– as many as you like

– one

+ How much the PC can handle

24. Which is not an operating system?

– WINDOWS;

+ Norton Commander

– MS DOS

25. Is it possible to recover erased information from a floppy disk?

– it’s always possible

+ possible, but not always

26. What are the disks used for?

– for information processing

– for printing texts

+ to save information

27. What should you do with a new floppy disk before using it?

– optimize

– defragment

+ format

28. When formatting a floppy disk, several sectors were found to be damaged. Is this floppy disk usable?

– not suitable at all

+ suitable, except for damaged sectors

– is completely suitable

29. What size floppy disks in inches are used in computers?

+ 5.25 and 3.5

– 5.5 and 5.25

– 2.5 and 3.5

26. Which of the following programs is not a disk utility?

– NDD

– FORMAT

+ Excel

27. What is a cluster on a magnetic disk?

– disc sleeve

+ unit of disk space

– virtual disk

28. What is the starting track number?

– 1

+ 0

– 79

29. What does track 0 of each floppy disk contain?

+ root directory

+ FAT table

– files.

30. Where is the diskette format information written?

– in FAT

+ in the boot sector

– to the root directory

31. There are bad sectors on a diskette. What does the system do to prevent them from being used?

+ does nothing

+ marks them as corrupted

– uses, but carefully

32. What happens if the information in the FAT gets corrupted?

+ all files will be unreadable

– information on the disk disappears

– the floppy disk will have to be thrown away

33. System programs for working with disks are…

– operating systems

– drivers

+ disk utilities

34. What is not included in logical disk formatting?

– recording system files

+ breakdown of sectors and tracks

– creating a FAT table

35. The main programs for working with disks in Windows are located in the folder…

+ Service

– Standard

– Office

36. Which program is designed for disk diagnostics and correction?

– Speeddisk

– NC

+ HDDscan

36. Recording files on a disk in the form of scattered areas across the entire surface of the disk is called…

– disk optimization

+ disk fragmentation

– disk formatting

37. Which statement is incorrect? Defragmentation is performed to…

– disk space optimization

– speeding up the process of reading and writing files

+ information compression

38. Which program is designed for disk defragmentation?

+ Smart Defrag

– NDD

– Unerase

39. What does the operating system do when a file is deleted from the disk?

– Shuffles the clusters in FAT

+ Removes the first character of a file name in a directory

– Demagnetizes the areas of the disk where the file was located

40. How can I remove a computer virus from a disk?

– Reboot the system

+ Special program

– It is impossible to remove the virus

41. File archiving is…

– Merging multiple files

– Marking disks into sectors and tracks

+ File compression

42. Which program is an archiver?

– NDD

– DRWEB

+ RAR

43. Which of the programs is an antivirus program?

– NDD

+ DRWEB

– RAR

44. What is a computer virus?

+ Small program size

– A myth that doesn’t exist

– The name of a popular computer game

45. What won’t help remove a computer virus from a disk?

+ Disk defragmentation

– Checking with an antivirus program

– Formatting the disk

46. ​​Information compression during archiving is essentially…

– A special type of information coding

+ Removing unnecessary information

– Backup information coding

47. In what cases should archiving not be used?

– To save disk space

+ To destroy viruses

– To create backup copies of files

48. Which statement is true?

– All files are compressed equally during archiving.

– Raster graphics files compress best

+ Different file types are compressed differently during archiving.

49. Archivers are characterized by…

– The degree and speed of archiving

– Method of distribution

+ Compression method and speed

50. Which antivirus programs do not work with the virus database?

– Doctors

– Filters

+ Auditors

51. Which antiviruses work resident?

– Doctors

+ Filters

– Auditors

52. Mutants, invisible creatures, worms-

– Utility programs

– Types of antivirus programs

+ Types of computer viruses

53. What is not a channel for the spread of viruses?

+ Visual information display devices

– Computer networks

– External storage media.

54. The founder of domestic computing technology is:

– Zolotarev Lev Viktorovich

– Popov Alexander Glebovich

+ Lebedev Sergey Alekseevich

55. A subsystem is:

+ A predefined work environment through which the system coordinates resource allocation and distributes tasks

– A set of elements that are in relationships and connections with each other, which form a certain integrity

– A part of the information system allocated during the design of the system architecture.

56. The file extension usually characterizes:

– Memory capacity

– Path to the folder where the data is stored

+ The type of data stored in the file

57. Computer performance depends on:

+ The components of the system unit

– From the installed software

– From the speed of the Internet connection

58. RAM is the memory that stores:

– File system information

+ Executable machine code

– Cached processor data

59. The first computer was called:

+ ENIAC

– Macintosh

– Linux

60. To access the search engine, you need to:

– Go to the browser

– Enter your query in the search menu

+ Enter the address of the search engine in the address bar of the browser

61. A disk drive is a device for:

+ Reading information from removable media

– Recording information to a storage device

– LAN connections

62. The processor processes information:

– In text format

+ In binary code

– In Pascal language

63. When the computer is turned off, information:

– Deleted from HDD

– Stored in the GPU cache

+ Removed from RAM

64. The IP routing protocol provides:

+ Transfer of information in computer networks

– The ability to connect multiple computers and their data into one common network

– Data encoding and decoding

65. During execution, the application program is stored

– in the kernel cache

+ in RAM

– in the memory of the hard drive

66. The minimum unit of measurement of the amount of information is considered to be:

– Byte

– Kilobits

+ Bit

67. When you turn off your computer, all information is erased:

+ In the random access memory

– Doesn’t wash off

– From HDD memory

68. The first computer in our country was called:

+ ENIAC

– Yota

– Mac OS

69. A computer connected to the Internet must have:

– Communication with a remote server

+ IP address

– Domain name

70. Application software is:

+ A general-purpose program designed to perform tasks

– Catalog of programs for computer operation

– Database for storing information

71. The first computers were created in:

– In 1941

– In 1986

+ 1966

72. The FTP service on the Internet is intended:

+ For data dissemination

– To connect to the Internet

– To save data in the cloud

73. Mass production of personal computers began:

– mid-80s

– 60-70 years old

+ at the beginning of 2000

74. E-mail allows you to transmit:

+ Text messages and attached files

– Text messages only

– Attached files only

75. A database is:

+ a model in which data is stored in an organized manner

– a program for collecting and storing information

– a table with data in Excel format

76. Among the computer architectures, the following are distinguished:

– Stationary, portable, autonomous

+ Massively parallel, symmetric multiprocessor, distributed

– Dedicated, separated, parallel-branched

77. Non-volatile memory devices of a personal computer are:

+ Hard drive

– RAM

– Streamer

78. The programming system provides the programmer with the opportunity to:

– Analyze existing thematic modules and submodules

+ Automatically assemble developed modules into a single project

– Automate mathematical models of certain phenomena

79. A compressed file is a file:

– Which hasn’t been opened for a long time

– Infected with a malicious virus

+ Packed using an archiver program

80. What function do peripheral devices perform?

+ Input and output of information

– Long-term storage of information

– Processing newly received information and translating it into machine language

81. What is not typical for a local network?

– High-speed messaging

+ Exchange of information and data over long distances

– The presence of a connecting link between network subscribers

82. A system diskette is required for:

– Initial saving of files important to the user

– Removing malware from your computer

+ Initial boot of the operating system

83. Electronic circuits for controlling external devices are:

+ Controllers

– Keyboard and mouse

– Transistors and system switches

84. A floppy disk drive is a device for:

– Connection between a computer and a removable storage device

– Processing input/output commands from a computer to paper

+ Reading and/or writing data from external storage media

Test 85. RAM addressability means:

+ Each RAM cell has a number

– Discrete representation of information within all blocks of RAM

– Free access to a randomly selected RAM cell

86. The resolution of the monitor is:

– The number of clearly rendered colors

+ The number of dots (pixels) of the image in the horizontal and vertical directions

– Diagonal size

87. The original meaning of the word “computer” is:

– Multifunctional calculator

– A type of kinescope

+ Person performing calculations

88. Registered signals are:

+ Data

– Streams of electromagnetic waves

– A method of transmitting information over long distances

89. A modem is a device designed for:

– Conversion of text and graphic information into analog

+ Organization of digital communication between two computers via a telephone line

– Providing Internet access for computers

90. The family tree is an information model.

– Branching

– Network

+ Hierarchical

91. Computer COM ports provide:

+ Data transfer between computers and phones, PDAs, and peripheral devices

– Internet access

– Connecting an external hard drive

92. The email subscriber’s mailbox is:

– A section of the mail server’s RAM allocated to a specific user

+ A piece of memory on the mail server’s hard drive allocated to a specific user

– A special device for transmitting and storing correspondence in electronic form

93. The file extension usually characterizes:

+ Type of information contained in the file

– File purpose

– File size

94. Software control of computer operation involves:

– A sequence of commands that, when executed, activate a specific computer function.

+ Using an operating system that synchronizes the operation of hardware

– Conversion of an analog information signal into digital

Test 95. The main characteristics of the processor do not include:

+ RAM capacity

– Clock frequency

– System bus frequency

96. TrueType font type means that:

+ Text typed in this font will look the same both on the monitor and in printed form

– Text typed in this font can be edited in any text editor

– This font was used by default when documents were initially created.

97. Web pages have the extension:

– .txt

– .bmp

+ .html

98. OLE technology enables the unification of documents created by:

– In any Microsoft Office application

+ Any application that complies with the CUA standard

– In the form of a graphical flow of information

99. Text data can be processed:

– Multi-office applications

– Hypertext applications

+ Test editors

100. A virtual device is:

+ Simulated functional equivalent of the device

– Network device

– A type of computer

101. A file system is:

+ Method of organizing files on disk

– Storage media memory capacity

– Physical organization of the information carrier

102. The full path to the file is specified as D:\Doc\Test.doc. What is the full name of the file?

+ D:\Doc\Test.doc

-.doc

– Test.doc

103. Based on the functionality, the following types of software are distinguished:

– Applied, software, target

+ Applied, systemic, instrumental

– Office, system, management

105. What structure do folders (directories) form?

– Relational

– Systemic

+ Hierarchical

test_106. Mandatory software quality criteria include:

+ Reliability

– Versatility

– Ease of use

107. At the physical level of the network, the unit of exchange is:

– Plastic bag

– Byte

+ Bit

108. State the difference between an information retrieval system and a database management system:

– Editing data is prohibited

+ There are no sorting and searching tools

– Different amounts of available information

109. The process of writing a program never includes:

– Operator records in any programming language

– Debugging code

+ Changes to the computer’s physical environment

110. Multiple execution of the same section of a program is called:

+ Cyclic process

– Regression

– Repeating cycle

111. What does an electronic document management system provide?

– Translation of handwritten documents into electronic form

+ Management of documents created electronically

– Automation of company activities

112. The URL contains information about:

+ File type and its location

– The location of the file and the programming language it was created in

– File type and application type

113. The main function of the server is to:

– Transfer of information from user to user

– Storage of information

+ Performing specific actions based on user requests

114. The network operating system implements:

– Connecting computers into a single computer network

+ Network resource management

– Protocol and interface management

115. Interaction between the client and the server when working on the WWW occurs according to the protocol:

– URL

+ HTTP

– HTML

test*116. FTP archive (database) is:

– Database

– Web server

+ File storage

117. At the program debugging stage:

+ The correct operation of the program is checked

– The correctness of the selected data and operators is checked

– An interim analysis of the program’s effectiveness is carried out