Computer Awareness Questions & Answers for Competitive Exams - 5

Question: 21

The printers in pre-1950s were

(A) Dot matrix

(B) Laser printer

(C) Punch cards

(D) Inkjet printer

Question: 22

Computers use the number ___ system to store data and perform calculations.

(A) Hexadecimal

(B) Decimal

(C) Octal

(D) Binary

Question: 23

Which programming language does not need a translator?

(A) Assembly language

(B) Machine language

(C) C

(D) BASIC

Question: 24

Codes consisting of lines of varying widths or lengths that are computer-readable are known as

(A) An ASCII code

(B) A barcode

(C) An OCR scanner

(D) A magnetic tape

Question: 25

A set of instructions telling the computer what to do is called

(A) Program

(B) Compiler

(C) Instructor

(D) Mentor