MCQs with Solutions for all Competitive Examinations

Computer Hardware MCQs for Competitive Examination

Q. 1
Which of the following is not a hardware?

(A) Processor
(B) Printer
(C) Mouse
(D) Java

Answer: (D) Java
Explanation: N/A

Q. 2
Who built the first computer mouse?

(A) William English
(B) Robert Zawacki
(C) Douglas Engelbart
(D) Oaneil Coogher

Answer: (C) Douglas Engelbart
Explanation: N/A

Q. 3
CRT stands for

(A) Character Ray Tube
(B) Cathode Ray Tube
(C) Colour Radiation Tube
(D) Colour Ray Tube

Answer: (B) Cathode Ray Tube
Explanation: N/A

Q. 4
Which of the following is a pointing device?

(A) Printer
(B) Mouse
(C) Keyboard
(D) Microphone

Answer: (B) Mouse
Explanation: N/A

Q. 5
LCD stands for

(A) Laser Crystal Display
(B) Light Crystal Display
(C) Laser Crystal Diode
(D) Liquid Crystal Display

Answer: (D) Liquid Crystal Display
Explanation: N/A

Q. 6
OMR is the short form of

(A) Optional Mark Reader
(B) Optical Mark Reader
(C) Optical Memory Reader
(D) Optical Mark Recognizer

Answer: (B) Optical Mark Reader
Explanation: N/A

Q. 7
____________ device allows users to feed data into the computer for analysis and storage and to give commands to the computer.

(A) Keyboard
(B) Output
(C) Input
(D) Pointing

Answer: (C) Input
Explanation: N/A

Q. 8
What is the shortcut key to refresh the computer?

(A) F4
(B) F3
(C) F2
(D) F5

Answer: (D) F5
Explanation: N/A

Q. 9
The keys from F1 to F12 are called

(A) Toggle keys
(B) Function keys
(C) Curson control keys
(D) Alphanumeric keys

Answer: (B) Function keys
Explanation: N/A

Q. 10
____________ key is used to open the start menu.

(A) Windows
(B) Tab
(C) Enter
(D) Shift

Answer: (A) Windows
Explanation: N/A

Q. 11
_________________ and _________________ keys are called toggle keys.

(A) Caps lock, Num lock
(B) Escape, Shift
(C) Backspace, Delete
(D) Control, Tab

Answer: (A) Caps lock, Num lock
Explanation: N/A

Q. 12
A barcode reader is an example of

(A) Input device
(B) Output device
(C) Storage device
(D) Processing device

Answer: (A) Input device
Explanation: N/A

Q. 13
Which of the following devices is used for making drawings, graphics and for menu selection

(A) Keyboard
(B) Mouse
(C) Light pen
(D) Scanner

Answer: (C) Light pen
Explanation: N/A

Q. 14
Which of the following is not a pointing device?

(A) Trackball
(B) Joystick
(C) Mouse
(D) Keyboard

Answer: (D) Keyboard
Explanation: N/A

Q. 15
Choose the odd one from the following options. 

(A) Plotter
(B) Monitor
(C) Barcode reader
(D) Speaker

Answer: (C) Barcode reader
Explanation: N/A

Q. 16
A light-sensitive device that converts the data and image on page into digital form is

(A) Keyboard
(B) Plotter
(C) Scanner
(D) Mouse

Answer: (C) Scanner
Explanation: N/A

Q. 17
Which of the following is not a type of keyboard?


Answer: (D) ZXCVBN
Explanation: N/A

Q. 18
Which of the following is not a type of scanner?

(A) Dot Matrix
(B) Handheld
(C) Flatbed
(D) Drum

Answer: (A) Dot Matrix
Explanation: N/A

Q. 19
Which of the following devices is used to detect marks on a paper?


Answer: (B) OMR
Explanation: N/A

Q. 20
A computer monitor is also called


Answer: (A) VDU
Explanation: VDU – Video Display Unit

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