Computer Awareness MCQs – Hardware & Software :
- Which of the following is the “brain” of the computer?
A) Monitor
B) CPU
C) Keyboard
D) Hard Disk - Which part of the computer is responsible for calculations and logic operations?
A) Control Unit
B) ALU
C) RAM
D) ROM - The Control Unit is a part of __.
A) CPU
B) RAM
C) Hard Disk
D) Monitor - Which of the following is an example of a portable computer?
A) Mainframe
B) Laptop
C) Supercomputer
D) Mini computer - Which of the following is NOT a characteristic of a computer?
A) Accuracy
B) Speed
C) Intelligence
D) Storage - The smallest unit of data in a computer is __.
A) Byte
B) Bit
C) Kilobyte
D) Megabyte - 1 Byte = __ bits.
A) 2
B) 4
C) 8
D) 16 - The component used to store data permanently is __.
A) RAM
B) ROM
C) Hard Disk
D) Cache Memory - The term “hardware” refers to __.
A) The physical parts of a computer
B) The set of instructions
C) Computer programs
D) Software utilities - The term “software” means __.
A) Tangible parts of a computer
B) Physical devices
C) Instructions that tell hardware what to do
D) Output devices - Which of the following is an example of system software?
A) MS Word
B) Windows 10
C) Excel
D) PowerPoint - Which of the following is an example of application software?
A) Operating System
B) Device Driver
C) MS Excel
D) BIOS - The device used to move the cursor on the screen is __.
A) Keyboard
B) Scanner
C) Mouse
D) Printer - A light pen is used with __.
A) Projector
B) Printer
C) CRT Monitor
D) Keyboard - The output device that displays text and images on screen is __.
A) Monitor
B) Keyboard
C) CPU
D) Scanner - Which of the following devices is used to take photographic images into the computer?
A) Microphone
B) Scanner
C) Plotter
D) Printer - Which device is used to convert sound waves into digital signals?
A) Microphone
B) Speaker
C) Monitor
D) Printer - Which of the following is a pointing device?
A) Keyboard
B) Mouse
C) Printer
D) Scanner - Which output device is used to produce large drawings or maps?
A) Plotter
B) Printer
C) Projector
D) Monitor - The physical components you can touch and see are known as __.
A) Software
B) Data
C) Hardware
D) Information
CORRECT ANSWER-
21. B, 22. B, 23. A, 24. B, 25. C, 26. B, 27. C, 28. C, 29. A, 30. C, 31. B, 32. C, 33. C, 34. C, 35. A, 36. B, 37. A, 38. B, 39. A, 40. C.