Computer Knowledge MCQ-197

To rename a selected object, press

(A) F5
(B) F6
(C) F3
(D) F2
(E) None of these

Choices are referred to as __

(A) options
(B) exit
(C) boot
(D) folder
(E) None of these

Computers use in __ number system to store data and perform calculations.

(A) decimal
(B) hexadecimal
(C) octal
(D) binary
(E) None of these

Which layer of OSI determines the interface of the system with the user?

(A) Network
(B) Application
(C) Data link
(D) Session
(E) None of these

A command that takes what has been typed into the computer and can be seen on the screen and sends it to the printer for output on paper __

(A) print
(B) return
(C) Jump
(D) attention
(E) None of these

Multi-programming systems

(A) execute each job faster
(B) execute more jobs at the same time
(C) are used only on large mainframe computers
(D) are easier to develop than single programming systems
(E) All of the above

COBOL is widely used in _

(A) commercial
(B) scientific
(C) space
(D) mathematical
(E) None of these

Only __ programs becomes active even though we can open many programs at a time.

(A) four
(B) three
(C) two
(D) one
(E) None of these

To center the selected text, the shortcut key is __.

(A) Ctrl+C
(B) Ctrl+E
(C) Ctrl+U
(D) Ctrl+O
(E) None of these

Kilobyte equals to how many bytes?

(A) 1000
(B) 1035
(C) 100
(D) 1008
(E) 1024

A __ is the enclosure that contains the main components of a computer,

(A) System unit
(B) UPS
(C) SMPS
(D) Keyboard
(E) None of these

On an Excel sheet, the active cell is indicated by

(A) a dark wide border
(B) a dotted border
(C) a blinking border
(D) None of the above
(E)

In Excel, a __ is identified by the cell in the upper-left comer and the cell in the lower-right corner, separated by a colon.

(A) worksheet
(B) value
(C) cell reference
(D) range
(E) None of these

The insert, cap lock and num lock are all examples of __ keys.

(A) Control
(B) Function
(C) Toggle
(D) Shortcut
(E) None of these

Which of the following store command to retrieve data from database?

(A) Queries
(B) Forms
(C) Reports
(D) Tables
(E) None of these

The Number System based on “0” and “1” only is known as __

(A) Binary System
(B) Barter System
(C) Number System
(D) Hexadecimal System
(E) Special System