MCQs about computer and it’s parts

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Q.1: The least powerful computer is_________

a) Microcomputer

b) Mainframe computer

c) Minicomputer

d) Mac

Ans: a) Microcomputer

Q.2: The main purpose of the supercomputer is________

a) Do random calculations

b) High speed calculations

c) Data retrieval operations

d) Weather forecasting

Ans: b) High speed calculations

Q.3: What are the two most important parts of the computer?

a) Monitor and printer

b) Screen and Keyboard

c) Hardware and software

d) Mouse and lan

Ans: c) Hardware and software

Q.4: Computer performs which of the following basic operations?

a) Storage and relative

b) Arithmetic operations

c) Logical operations

d) All

Ans: d) All

Q.5: The earliest calculating device is_________?

a) Calculator

b) Pager

c) Abacus

d) Dolphin

Ans: c) Abacus

Q.6: The analytical engine developed during First Generation of computers used_______as a memory unit?

a) Pen drives

b) SSD

c) Random Access Memory

d) Punch Cards

Ans: d) Punch Cards

(Imp Fact)

Punched cards were first introduced by Herman Hollerith

Q.7: Who made the first Mechanical Calculator?

a) Blaise Pascal

b) Tim Berner Lee

c) John Mauchly

d) Alfred Benzamin

Ans: a) Blaise Pascal

Q.8: Supercomputers were designed by________?

a) Hewlett-Packard

b) IBM

c) Apple

d) Seymour Cray

Ans: d) Seymour Cray

Q.9: Floppy Disk Drives were first introduced by_________?

a) Dell

b) HP

c) IBM

d) Compaq

Ans: c) IBM

Q.10: ENIAC was the computer of which generation?

a) First generation

b) Second generation

c) Fourth generation

d) None of the above

Ans: b) Second generation

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Q.11: Which number system is followed by 32-bit computer?

a) Decimal

b) Tertiary

c) Binary

d) Quadruple

Ans: c) Binary

Q.12: When a key is pressed on the keyboard, which standard is used for converting the keystroke into the corresponding bits?

a) ASCII

b) ISO

c) C-DAC

d) ANSI

Ans: a) ASCII

(Imp Fact)

ASCII code is a 7 bit code for letters, numbers and other symbols.

Q.13: ________digits are 0 to 9 and A to F?

a) Binary

b) Octal

c) Hexadecimal

d) Binomial

Ans: c) Hexadecimal

Q.14: Each digit in Binary Coded Decimal (BCD) is known as_________

a) Nibble

b) Bit

c) Byte

d) Tracking

Ans: a) Nibble

Q.15: Nibble is a term used for_______?

a) Half byte

b) Quarter byte

c) Byte

d) Bug

Ans: a) Half byte

Q.16: Motherboard used in computer is_______?

a) The main circuit board also called system board on which bus structure are assembled

b) Joystick

c) Dynamic Pointing system

d) Interactive networking interface

Ans: a) The main circuit board also called system board on which bus structure are assembled

Q.17:  The oldest form of computer language is known as_______?

a) Oracle

b) Jawa

c) Machine language

d) HTML

Ans: c) Machine language

Q.18 What the units used to count the speed of a printer?

a) PPM

b) DPI

c) BIT

d) CPM

Ans: PPM

Q.19: What is a Cursor?

a) Pointing device

b) Storage device

c) Transmitting device

d) None of the above

Ans: a) Pointing device

Q.20: Touch pad is a______device?

a) Stationary pointing

b) Random pointing

c) Sensitive pointing

d) Dynamic pointing

Ans: Stationary pointing

Q.21: Name the pen used to draw directly on the digital tablet?

a) Touch pen

b) Puck/stylus

c) Laser pen

d) Remote pen

Ans: b) Puck/stylus

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