CDMA stands for _____________.
(A) Central Development Mobile Association
(B) Code Division Mobile Access
(C) Code Division Multiple Access
(D) Centre of Development Multiple Access
How many bytes are equal to one kilobyte?
(A) 1050
(B) 1000
(C) 976
(D) 1024
Which of the following is 3rd layer of OSI Model?
(A) Network layer
(B) Session layer
(C) Physical layer
(D) Application layer
Which is not the extension of picture file on computer
(A) .jpeg
(B) .png
(C) .gif
(D) .mdp
Which command allows you to reduce fragments of file and optimize the performance of disk?
(A) Chkdsk
(B) Diskcomp
(C) Scandisk
(D) Defrag
“World Wide Web" is made by:
(A) Tike Berners Lee
(B) Tim Berners Lee
(C) Tom Berners Lee
(D) Tin Berners Lee
A process knows as______ is used by large retailers to study trends.
(A) POS
(B) Data Conversion
(C) Data Mining
(D) Data Selection
In which of these memory access schemes, separate Read / Write heads are required?
(A) Sequential Access
(B) Direct Access
(C) Random Access
(D) None of these
Excel files have a default extension of:
(A) .wki
(B) .123
(C) .xls
(D) .xlw
Computer virus is:
(A) Computer program
(B) Operating system
(C) Part of OS
(D) Part of Hardware
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