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?
(A) AZERTY
(B) QWERTY
(C) DVORAK
(D) ZXCVBN
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?
(A) OCR
(B) OMR
(C) ICR
(D) CRD
Answer: (B) OMR
Explanation: N/A
Q. 20
A computer monitor is also called
(A) VDU
(B) VDT
(C) CRT
(D) VDO
Answer: (A) VDU
Explanation: VDU – Video Display Unit