Multiple Choice Questions
1 CPU of computer is powered by- (A) DC battery
- (B) AC power supply
- (C) SMPS
- (D) Variable DC voltage
2 Which of the following is known as the brain of a computer?
- (A) Monitor
- (B) CPU
- (C) Keyboard
- (D) ROM
3 What is the full form of IP?
- (A) Internet protocol
- (B) Immediate protocol
- (C) Internet processing
- (D) Immediate processing
4 Which of the following is an output device?
- (A) Scanner
- (B) Joystick
- (C) Speaker
- (D) Touchpad
5 LCD stands for?
- (A) Liquid crystal Display
- (B) Laser Crystal Display
- (C) Light Crystal Display
- (D) None of these
6 Which of the following is an input device?
- (A) Printer
- (B) Display
- (C) Speaker
- (D) Scanner
7 Long form of SMPS is
- (A) Switch Mode Power Supply
- (B) Switch Matrix power source
- (C) Source Mode Power Supply
- (D) Service Mode Power Supply
8 Codes consisting of bars or lines of varying widths that a computer can read is –
- (A) ASCII Code
- (B) EBDIC Code
- (C) BAR Code
- (D) ISCII Code
9 What is the full form of USB?
- (A) Universal Secured Box
- (B) Universal Serial Bus
- (C) Universal Security Block
- (D) None of the above
10 _________ is the largest computer.
- (A) Mini Computer
- (B) Micro Computer
- (C) Mainframe Computer
- (D) Super Computer