Computer Knowledge MCQ-20

Digital computers use a ………. system to encode date and programs.

(A) semiconductor
(B) decimal
(C) binary
(D) RAM
(E) none of these

A computer falls into the …….. category if it is, at the time of construction, one of the fastest computers in the world.

(A) minicomputer
(B) supercomputer
(C) microcomputer
(D) a and b both
(E) none of these

Micro computer hardware consists of three basic categories of physical equipment—

(A) Keyboard, monitor, hard drive
(B) System unit, input/output, memory
(C) System unit, input/output, secondary storage
(D) System unit, primary storage, secondary storage
(E) None of these

A ………. is a large and expensive computer capable of simultaneously processing data for hundreds or thousands of users.

(A) handheld computer
(B) mainframe computer
(C) personal computer
(D) tablet computer
(E) None of these

Which is the smallest of the following computers ?

(A) Notebook
(B) Laptop
(C) Desktop
(D) Workstation
(E) None of these

A……… computer (also referred to as a laptop), is a small,lightweight personal computer that incorporates the screen, the keyboard, storage, and processing components into a single portable unit.

(A) notebook
(B) journal
(C) diary
(D) briefcase
(E) None of these

A personal computer is designed to meet the computing needs of a (n)…………

(A) individual
(B) department
(C) company
(D) city
(E) None of these

Which device uses a handheld operation system ?

(A) APDA
(B) A personal computer
(C) A laptop
(D) A mainframe
(E) None of these

The two types of output devices are—

(A) Monitor and Printer
(B) Floppy disc and CD
(C) Keyboard and Mouse
(D) Windows 2000 and windows NT
(E) None of these

Mouse technique used for access in properties of any object is—

(A) Dragging
(B) Dropping
(C) Right clicking
(D) Shift clicking
(E) None of these

To go to the beginning of a text line press—

(A) Home
(B) Page up
(C) Enter
(D) None of these
(E) None of these

The most common input devices are—

(A) Microphone, printer
(B) Scanner, monitor
(C) Digital camera, speaker
(D) Keyboard, mouse
(E) None of these

To see all information which device output uses ?

(A) Monitor
(B) Keyboard
(C) ALU
(D) CPU
(E) None of these

Which of following is not an input device ?

(A) Keyboard
(B) Monitor
(C) Joystick
(D) Microphone
(E) None of these

What is a function of a keyboard in computer ?

(A) Print .
(B) Input
(C) Type
(D) In between input and output
(E) None of these

Which of the following is an output device ?

(A) Printer
(B) Monitor
(C) Mouse
(D) a and b both
(E) None of these

The general method for to input the text and numerical data in computer is by…………… .

(A) Keyboard
(B) Scanner
(C) Printer
(D) Platter
(E) None of these