Practice Pakistan's most useful MCQs for competitive exams

___________ is the key to close a selected drop _down list; cancel a command and close a dialog box

• (A)  TAB
• (B)  SHIFT
• (C)  ESC
• (D)  F10

Answer

Submitted By :Ali Uppal

An area of a computer that temporarily holds data waiting to be processed is___________

• (A)  CPU
• (B)  Memory
• (C)  Storage
• (D)  File

Answer

Submitted By :Ali Uppal

The instructions that tell a computer how to carry out the processing tasks are referred to as computer___________

• (A)  programs
• (B)  processors
• (C)  input devices
• (D)  memory modules

Answer

Submitted By :Ali Uppal

Father of 'C' programming language

• (A)  Dennis Ritchie
• (B)  Prof John Keenly
• (C)  Thomas Kurtz
• (D)  Bill Gates

Answer

Submitted By :Ali Uppal

BIOS stands for__________

• (A)  Basic Input Output system
• (B)  Binary Input output system
• (C)  Basic Input Off system
• (D)  all the above

Answer

Submitted By :Ali Uppal

The device used to carry digital data on analogue lines is called as_________

• (A)  Modem
• (B)  Multiplexer
• (C)  Modulator
• (D)  Demodulator

Answer

Submitted By :Ali Uppal

1 Byte =___________

• (A)  8 bits
• (B)  4 bits
• (C)  2 bits
• (D)  9 bits

Answer

Submitted By :Ali Uppal

RAM stands for___________

• (A)  Random origin money
• (B)  Random only memory
• (C)  Read only memory
• (D)  Random access memory

Answer

Submitted By :Ali Uppal

____________translates and executes program at run time line by line

• (A)  Compiler
• (B)  Interpreter
• (C)  Linker
• (D)  Loader

Answer

Submitted By :Ali Uppal

_____________is computer software designed to operate the computer hardware and to provide platform for running application software

• (A)  Application software
• (B)  System software
• (C)  Software
• (D)  Operating system

Answer

Submitted By :Ali Uppal