Class 10 Computer Science Chapter 1 MCQs – Computer Science & Data Representation (FBISE) - MCQs

Description: Practice Class 10 Computer Science Chapter 1 MCQs on Computer Science & Data Representation. These important objective questions are based on FBISE exam pattern and include binary numbers, hexadecimal system, ASCII, Unicode, and operating system functions.

🔹 Go to Class 10 Computer Science Chapter-wise MCQs
🔹 Go to All Subjects MCQs

← Go to Main Page
Go to Chapter 2 →

1. A computer is an electronic device used to:

A) Process data
B) Wash clothes
C) Cook food
D) Generate electricity

2. The binary number system uses digits:

A) 0–9
B) 0 and 1
C) A–F
D) 1–8

3. Decimal number system has base:

A) 2
B) 8
C) 10
D) 16

4. Hexadecimal number system has base:

A) 2
B) 8
C) 10
D) 16

5. Which of the following is a binary number?

A) 10101
B) 1289
C) 89AB
D) 9876

6. ASCII stands for:

A) American Standard Code for Internet Information
B) American Standard Code for Information Interchange
C) Automated Standard Code for Information Interchange
D) American Scientific Code for Interchange

7. Unicode is used to represent:

A) Images only
B) Audio files
C) Characters of different languages
D) Videos only

8. The smallest unit of data in computer is:

A) Bit
B) Byte
C) Kilobyte
D) Megabyte

9. One byte is equal to:

A) 2 bits
B) 4 bits
C) 16 bits
D) 8 bits

10. Which number system is directly understood by computer?

A) Decimal
B) Binary
C) Hexadecimal
D) Octal

11. Operating system is a type of:

A) System software
B) Application software
C) Hardware
D) Antivirus

12. Which of the following is an operating system?

A) MS Word
B) Photoshop
C) Windows
D) PowerPoint

13. Which device is used for input?

A) Printer
B) Monitor
C) Speaker
D) Keyboard

14. CPU stands for:

A) Central Process Unit
B) Central Processing Unit
C) Computer Processing Unit
D) Central Processor Utility

15. Which memory is temporary?

A) RAM
B) ROM
C) Hard disk
D) DVD

16. ROM stands for:

A) Random Output Memory
B) Read Output Memory
C) Read Only Memory
D) Random Only Memory

17. Which component performs calculations in CPU?

A) CU
B) RAM
C) Cache
D) ALU

18. ALU stands for:

A) Arithmetic Logic Unit
B) Automatic Logic Unit
C) Arithmetic Load Unit
D) Automated Load Utility

19. Which memory stores startup instructions of computer?

A) RAM
B) ROM
C) Cache
D) Register

20. Which of the following is an output device?

A) Mouse
B) Keyboard
C) Scanner
D) Printer

21. Binary equivalent of decimal number 5 is:

A) 100
B) 110
C) 101
D) 111

22. Decimal equivalent of binary $1010$ is:

A) 10
B) 8
C) 12
D) 14

23. Which software controls hardware resources?

A) Application software
B) Operating system
C) Browser
D) Compiler

24. Which of the following is secondary storage?

A) RAM
B) Cache
C) Register
D) Hard disk

25. A hexadecimal number may contain:

A) Digits and letters
B) Digits only
C) Letters only
D) Symbols only

26. Which of the following is volatile memory?

A) ROM
B) DVD
C) RAM
D) Hard disk

27. The brain of computer is:

A) RAM
B) CPU
C) Hard disk
D) Monitor

28. Which key is used to erase characters to the left of cursor?

A) Shift
B) Ctrl
C) Alt
D) Backspace

29. Which number system uses symbols A to F?

A) Hexadecimal
B) Decimal
C) Binary
D) Octal

30. One kilobyte is approximately equal to:

A) 100 bytes
B) 500 bytes
C) 1024 bytes
D) 2048 bytes

31. Which type of software is MS Excel?

A) System software
B) Application software
C) Utility software
D) Operating system

32. The process of starting computer is called:

A) Booting
B) Loading
C) Executing
D) Debugging

33. Which of the following is a pointing device?

A) Monitor
B) Printer
C) Speaker
D) Mouse

34. Unicode supports:

A) English language only
B) Multiple languages
C) Binary numbers only
D) Images only

35. Which memory is permanent?

A) RAM
B) Cache
C) ROM
D) Register

36. Which unit is used to measure processing speed?

A) Hertz
B) Meter
C) Liter
D) Volt

37. Which device displays output on screen?

A) Scanner
B) Keyboard
C) Mouse
D) Monitor

38. Which storage device has the largest capacity?

A) CD
B) Hard disk
C) Floppy disk
D) DVD

39. Which of the following is a utility software?

A) Antivirus
B) Windows
C) MS Word
D) PowerPoint

40. The binary equivalent of decimal 8 is:

A) 1001
B) 1010
C) 1000
D) 1111

41. Which component controls all activities of CPU?

A) ALU
B) RAM
C) ROM
D) Control Unit

42. Which number system is commonly used by humans?

A) Binary
B) Decimal
C) Hexadecimal
D) Octal

43. Which device converts hard copy into digital form?

A) Scanner
B) Monitor
C) Speaker
D) Printer

44. Which of the following is not an operating system?

A) Linux
B) Windows
C) Android
D) MS Excel

45. The hexadecimal equivalent of decimal 10 is:

A) B
B) A
C) C
D) D

46. Which storage device is portable?

A) Motherboard
B) RAM
C) USB flash drive
D) CPU

47. Which key is used to move to next line while typing?

A) Enter
B) Shift
C) Alt
D) Esc

48. The physical components of computer are called:

A) Software
B) Programs
C) Applications
D) Hardware

49. Which software helps users perform specific tasks?

A) System software
B) Application software
C) Firmware
D) BIOS

50. Computer science mainly deals with:

A) Construction work
B) Medical treatment
C) Computation and information processing
D) Agriculture only

Leave a Comment Cancel Reply