Computer awareness mcq for competitive exams

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computer awareness mcq for competitive exams Quiz Online Practice and Online Test for Bank IBPS, SBI Clerk PO Exams  Questions And Answers 

841.
Which of the following is used for manufacturing chips?

a
None of the above
b
control unit
c
parity unit
d
control bus
e
semiconductor

842.
Circuits that provide a communication path between two or more devices of a digital computer system is

a
All of the these
b
Truck
c
None of these
d
Car
e
Bus

843.
A(n) ________ is a combination of hardware and software that facilitates the sharing of information between computing devices.

a
peripheral
b
None of these
c
network
d
expansion board
e
digital device

844.
An example of an embedded system is .............. ?

a
A calculator
b
None of these
c
A machine tool
d
All of the these
e
A CD-ROM

845.
The mirror image of the whole hard disk including the OS, applications, files and data is created by a ______________________.

a
OS
b
Utility program
c
None of these.
d
Backup software
e
Driver

846.
Cache memory is a

a
None of these
b
Main memory
c
All of the these
d
Small buffer storage
e
Permanent storage

847.
Hardware that adds two numbers is:

a
None of these
b
the control unit
c
Browser
d
arithmetic Logic Unit
e
an internal CPU register

848.
In Excel this type of software is similar to an accountant's worksheet

a
Word processing
b
Spreadsheets
c
Database
d
Graphics
e
All of the these

849.
In Excel you can edit a cell by

a
None of above
b
Clicking the formula button
c
Selecting Edit>Edit Cell from the menu
d
Double clicking the cell to edit it in-place
e
All of the these

850.
In Excel which functions will calculate the number of workdays between 6/9/2004 and 8/12/2004

a
All of the these
b
Workday
c
Date
d
All of the these
e
Networkdays

851.
A digitizing tablet can be used for?

a
Tracing diagrams
b
Printing letters
c
Playing
d
None of these
e
Reading barcodes

852.
A laser printer does NOT use?

a
All of the these
b
A print head
c
None of these
d
A photoconductive drum
e
A laser beam

853.
In Microsoft Word shortcut key CTRL+R is used for

a
None of these
b
Close the current window
c
Open the Print dialog box
d
Update the current Web page
e
All of the these

854.
A device used for transmission of images scanned at a transmitting point and duplicated at a receiving point is

a
Facsimile (FAX)
b
Telephone
c
None of these
d
All of the these
e
Photocopier

855.
Digital Computer is a computer

a
All of the these
b
Both A & B
c
that works with discrete quantities
d
None of these
e
that works with analog quantities

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