Computer Knowledge MCQ-49

The CPU and memory are located on the __.

(A) motherboard
(B) sound board
(C) keyboard
(D) graphics board
(E) DOS board

__ are used to quickly accept, store and transfer data and instructions that are being used immediately by the CPU.

(A) Registers
(B) Caches
(C) RAMs
(D) Graphics
(E) None of these

CD stands for __.

(A) Compact Disc
(B) Compose Disc
(C) Compare Disc
(D) All of these
(E) None of these

The barcode which is used on all types of items, is read by a scanning device directly into the computer. What is the name of this scanning device?

(A) Laser scanner
(B) Wand
(C) OCR
(D) MICR
(E) None of these

A plotter is __ device.

(A) input
(B) output
(C) storage
(D) processing
(E) cycling

Any data or instruction entered into the memory of a computer is considered as

(A) Storage
(B) Output
(C) Input
(D) Information
(E) All of these

The central part of a disk is known as __.

(A) loop
(B) hub
(C) surface
(D) cylinder
(E) cluster

In hexadecimal number system F denotes to __.

(A) 13
(B) 14
(C) 15
(D) 16
(E) 17

__ is the set of programs that enables your computer’s hardware devices and application software to work together.

(A) Word Processing Software
(B) Utility Software
(C) System Software
(D) Programming Software
(E) None of these

Restarting a running computer is called

(A) Warm boot
(B) Cool boot
(C) Cold boot
(D) Normal boot
(E) None of these

What is the meaning of .EXE?

(A) Command File
(B) Express File
(C) Executable Files
(D) System File
(E) None of these

The type of operating system you use depends on your computer __.

(A) I/O device
(B) platform
(C) browser
(D) Both (a) and (b)
(E) None of these

___ is a horizontal or vertical bar that contains a box that looks like an elevator in a shaft.

(A) Title bar
(B) Start button
(C) Scrollbar
(D) Quick lunch toolbar
(E) None of these

A (n) __ is a small image that represents a program, an instruction, a file or some other object.

(A) keyword
(B) interface
(C) menu
(D) icon
(E) None of these

File ___ shrinks the size of a file, so it requires less storage space.

(A) scanning
(B) synthesizing
(C) defragmenting
(D) compression
(E) None of these

If you want to undo an action in a document, then press __.

(A) Ctrl+U
(B) Ctrl+Y
(C) Ctrl+R
(D) Ctrl+Z
(E) None of these