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Computer Knowledge MCQ-137

A dot-matrix printer

(A) is an input-output device
(B) is an output device only
(C) is a software
(D) is an input device on
(E) None of these

What is the most common way to get a virus in your computer’s hard disk?

(A) By installing games from their CDROMS
(B) By uploading pictures from mobile phones to the computer
(C) By opening e-mails
(D) By sending e-mails
(E) None of these

__ is not a phase in the SDLC.

(A) Change
(B) Maintenance
(C) Design
(D) Coding
(E) Analysis

Both conditions display on the same row in the design grid when __ operator is in use

(A) AND
(B) OR
(C) IN
(D) LIKE
(E) None of these

Which is a graphical representation of an application?

(A) Windows 95
(B) Windows Explorer
(C) Icon
(D) Task bar
(E) None of these

Which of the following company was introduced optical mouse?

(A) Apple, 1990
(B) IBM, 1920
(C) Dell, 1829
(D) Intel, 1930
(E) Microsoft, 1999

A device operating at the physical layer is called a

(A) Bridge
(B) Router
(C) Repeater
(D) All of the above
(E) None of these

The operating system is the most common type of __ software.

(A) communication
(B) application
(C) systems
(D) word – processing
(E) None of these

Who is the chief of Microsoft

(A) Babbage
(B) Bill Gates
(C) Bill Clinton
(D) Bush
(E) None of these

To launch Microsoft Excel 2007, go to Start >AH Programs > __.

(A) Microsoft PowerPoint > Microsoft Excel 2007
(B) Microsoft Word > Microsoft Excel 2007
(C) Microsoft Office > Microsoft Excel 2007
(D) Microsoft Office > Word Excel 2007
(E) None of these

How many 30-bit SIMMS are required to populate a bank on a 486 system that has a 32-bit data bus?

(A) 2
(B) 3
(C) 4
(D) 5
(E) None of these

A device used to bring data into a computer is called

(A) ALU
(B) input device
(C) control unit
(D) output device
(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

___ is the process of implementing command

(A) Fetching
(B) Storing
(C) Decoding
(D) Executing
(E) None of these

USB stands for

(A) United Serial Booing
(B) United Serial By-pass
(C) Universal System Bus
(D) Universal Serial Bus
(E) None of these

Student(ID, name, dept name, tot_cred) : In this query which attribute form the primary key?

(A) Name
(B) Dept
(C) Tot_cred
(D) ID
(E) None of these