MCQ
A) Alan Turing
B) Charles Babbage
C) Ada Lovelace
D) Bill Gates
Answer: B) Charles Babbage
2. What was the name of the first programmable computer?
A) ENIAC
B) Z3
C) UNIVAC
D) Colossus
Answer: B) Z3
3. Which device is considered the first mechanical calculator?
A) Abacus
B) Slide Rule
C) Analytical Engine
D) Pascaline
Answer: D) Pascaline
4. In what year was the first successful personal computer, the Altair 8800, introduced?
A) 1970
B) 1975
C) 1980
D) 1985
Answer: B) 1975
5. Which programming language is considered the first high-level programming language?
A) COBOL
B) FORTRAN
C) C
D) LISP
Answer: B) FORTRAN
6. Who developed the World Wide Web?
A) Bill Gates
B) Tim Berners-Lee
C) Steve Jobs
D) Mark Zuckerberg
Answer: B) Tim Berners-Lee
7. What does "ENIAC" stand for?
A) Electronic Numerical Integrator and Computer
B) Electronic Network of Integrated Circuits
C) Enhanced Numerical Input and Control
D) Electronic Network for Information and Communication
Answer: A) Electronic Numerical Integrator and Computer
8. Which company introduced the first commercially successful microprocessor?
A) Intel
B) IBM
C) Apple
D) Microsoft
Answer: A) Intel
9. What was the primary purpose of the first computers in the 1940s?
A) Gaming
B) Scientific calculations
C) Word processing
D) Internet browsing
Answer: B) Scientific calculations
10. In what decade did the first portable computers start to emerge?
A) 1960s
B) 1970s
C) 1980s
D) 1990s
Answer: C) 1980s
11. What is the main function of the CPU in a computer?
A) Store data
B) Process data
C) Display images
D) Connect to the internet
Answer: B) Process data
12. Which of the following is considered an input device?
A) Monitor
B) Printer
C) Keyboard
D) Speaker
Answer: C) Keyboard
13. What type of memory is used for temporary storage while a computer is running?
A) ROM
B) SSD
C) RAM
D) Hard Drive
Answer: C) RAM
14. Which component is responsible for rendering graphics on the screen?
A) CPU
B) GPU
C) RAM
D) Motherboard
Answer: B) GPU
15. What does HDD stand for in the context of computer storage?
A) High Definition Drive
B) Hard Disk Drive
C) High Density Disk
D) Hard Data Disk
Answer: B) Hard Disk Drive
16. What is an operating system?
A) A type of application software
B) Software that manages computer hardware and software resources
C) A hardware component
D) A programming language
Answer: B) Software that manages computer hardware and software resources
17. Which of the following is an example of system software?
A) Microsoft Word
B) Adobe Photoshop
C) Windows 10
D) Google Chrome
Answer: C) Windows 10
18. What does "malware" refer to?
A) Software that enhances performance
B) Software designed to harm or exploit a computer system
C) Software for creating documents
D) Free software available for anyone
Answer: B) Software designed to harm or exploit a computer system
19. Which of the following is a common web browser?
A) Microsoft Excel
B) Mozilla Firefox
C) Adobe Reader
D) Microsoft PowerPoint
Answer: B) Mozilla Firefox
20. What is the purpose of antivirus software?
A) To improve internet speed
B) To protect against malware and viruses
C) To manage files and folders
D) To update system software
Answer: B) To protect against malware and viruses
21. What is the base of the binary number system?
A) 8
B) 10
C) 2
D) 16
Answer: C) 2
22. What is the decimal equivalent of the binary number 1010?
A) 8
B) 10
C) 12
D) 14
Answer: B) 10
23. In the hexadecimal number system, what digit follows '9'?
A) A
B) B
C) C
D) 10
Answer: A) A
24. What is the base of the octal number system?
A) 2
B) 8
C) 10
D) 16
Answer: B) 8
25. What is the binary equivalent of the decimal number 5?
A) 101
B) 100
C) 110
D) 111
Answer: A) 101
26. Which number system uses the digits 0-9 and letters A-F?
A) Binary
B) Decimal
C) Octal
D) Hexadecimal
Answer: D) Hexadecimal
27. What is the decimal equivalent of the octal number 17?
A) 15
B) 13
C) 17
D) 14
Answer: A) 15
28. What is the hexadecimal representation of the decimal number 255?
A) FF
B) 00
C) AA
D) 0F
Answer: A) FF
29. In binary, what is the value of the digit in the fourth position from the right?
A) 1
B) 2
C) 4
D) 8
Answer: C) 4
30. How many bits are there in one byte?
A) 4
B) 8
C) 16
D) 32
Answer: B) 8
31. What is the binary sum of 1011 and 1101?
A) 10000
B) 10110
C) 11100
D) 10010
Answer: A) 11000
32. What is the binary result of 1010 minus 0011?
A) 0111
B) 0101
C) 1001
D) 0001
Answer: B) 0111
33. What is the binary multiplication of 101 and 11?
A) 1111
B) 1001
C) 1110
D) 1101
Answer: A) 1111
34. What is the binary result of 1101 divided by 0011?
A) 0011
B) 0001
C) 0101
D) 0100
Answer: D) 0100
35. What is the binary representation of the decimal number 4?
A) 0100
B) 1000
C) 0010
D) 0001
Answer: A) 0100
36. What is the result of the binary addition 0110 + 1010?
A) 10000
B) 0010
C) 1100
D) 0100
Answer: C) 10000
37. What is 1010 (binary) + 0101 (binary)?
A) 1111
B) 1011
C) 1100
D) 1001
Answer: A) 1111
38. What is the binary subtraction of 1100 and 0110?
A) 0010
B) 0100
C) 0110
D) 1000
Answer: B) 0010
39. What is the product of binary numbers 10 (2) and 11 (3)?
A) 110 (6)
B) 1000 (8)
C) 1010 (10)
D) 1110 (14)
Answer: A) 110
40. What is the binary result of 1111 divided by 0011?
A) 0010
B) 0100
C) 0001
D) 0011
Answer: B) 0100
41. What is the primary function of an operating system?
A) To browse the internet
B) To manage hardware and software resources
C) To create documents
D) To play games
Answer: B) To manage hardware and software resources
42. Which of the following is a graphical operating system developed by Microsoft?
A) Linux
B) DOS
C) Windows
D) Unix
Answer: C) Windows
43. What does DOS stand for?
A) Disk Operating System
B) Data Operating System
C) Digital Operating System
D) Document Operating System
Answer: A) Disk Operating System
44. Which command is used in DOS to list files in a directory?
A) LIST
B) DIR
C) SHOW
D) DISPLAY
Answer: B) DIR
45. Which of the following is a version of Windows?
A) Ubuntu
B) Mac OS
C) Windows 10
D) Red Hat
Answer: C) Windows 10
46. What is the default file system used by Windows 10?
A) FAT32
B) NTFS
C) EXT4
D) HFS+
Answer: B) NTFS
47. Which of the following is a popular Linux distribution?
A) Windows 10
B) Ubuntu
C) Mac OS
D) DOS
Answer: B) Ubuntu
48. In Linux, what is the command to change directories?
A) MOVE
B) CHANGE
C) CD
D) DIR
Answer: C) CD
49. Which operating system is known for its command-line interface and is often used in servers?
A) Windows
B) Linux
C) Mac OS
D) DOS
Answer: B) Linux
50. Which Windows feature allows users to run multiple applications at the same time?
A) Multitasking
B) Single-tasking
C) Virtual Memory
D) Command Line
Answer: A) Multitasking
51. What is the core part of the Linux operating system called?
A) Shell
B) Kernel
C) Command Line
D) Desktop Environment
Answer: B) Kernel
52. Which directory is the root of the Linux file system?
A) /home
B) /usr
C) /
D) /bin
Answer: C) /
53. Where do user-specific files and directories typically reside in Linux?
A) /usr
B) /etc
C) /home
D) /var
Answer: C) /home
54. Which directory contains executable files in Linux?
A) /tmp
B) /etc
C) /bin
D) /lib
Answer: C) /bin
55. What command is used to create a new user in Linux?
A) newuser
B) useradd
C) adduser
D) createuser
Answer: B) useradd
56. Which command can be used to switch to another user in Linux?
A) changeuser
B) switch
C) su
D) userchange
Answer: C) su
57. What is the purpose of file permissions in Linux?
A) To speed up file access
B) To restrict access to files and directories
C) To enhance the user interface
D) To manage system resources
Answer: B) To restrict access to files and directories
58. Which command is used to change file permissions in Linux?
A) chmod
B) chown
C) chperm
D) setperm
Answer: A) chmod
59. Which of the following is a common Linux shell?
A) Bash
B) Windows
C) Command Prompt
D) PowerShell
Answer: A) Bash
60. In Linux, what is the home directory for the root user?
A) /home/root
B) /root
C) /usr/root
D) /admin
Answer: B) /root
61. What does CUI stand for in the context of Linux?
A) Command User Interface
B) Computer User Interaction
C) Common User Interface
D) Command User Input
Answer: A) Command User Interface
62. Which command is used to display the current working directory in Linux?
A) pwd
B) dir
C) ls
D) cd
Answer: A) pwd
63. What command is used to list files and directories in the current directory?
A) list
B) ls
C) show
D) dir
Answer: B) ls
64. How do you change the current directory in Linux?
A) change
B) cd
C) move
D) dir
Answer: B) cd
65. Which command is used to create a new directory in Linux?
A) mkdir
B) newdir
C) createdir
D) makedir
Answer: A) mkdir
66. What command is used to remove a file in Linux?
A) delete
B) rm
C) remove
D) del
Answer: B) rm
67.
How do you view the contents of
a text file in the command line?
A) cat
B) view
C) show
D) print
Answer: A) cat
68. Which command is used to copy files in Linux?
A) copy
B) cp
C) clone
D) mv
Answer: B) cp
69. What command is used to move or rename a file in Linux?
A) move
B) rename
C) mv
D) change
Answer: C) mv
70. Which command would you use to get help about a command in Linux?
A) help
B) man
C) info
D) guide
Answer: B) man
A) cat
B) view
C) show
D) print
Answer: A) cat
68. Which command is used to copy files in Linux?
A) copy
B) cp
C) clone
D) mv
Answer: B) cp
69. What command is used to move or rename a file in Linux?
A) move
B) rename
C) mv
D) change
Answer: C) mv
70. Which command would you use to get help about a command in Linux?
A) help
B) man
C) info
D) guide
Answer: B) man
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