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Free download in PDF Computer Awareness Multiple Choice Questions(MCQs) & Answers. These multiple choice questions on Computer Science are very useful for NIELIT, BCA, B.Sc. MCA, M.Sc. B.Tech, M.Tech, BE, ME students an interview for various positions like Web Developer, System Analyst etc.
(1)
The ____________ is the central part of the OS that consists of instructions that control the actions the OSuses most frequently.
[A]
profile
[B]
bios
[C]
kernel
[D]
booting
(2)
…………….appear on the scroll bar and can be clicked to scroll the document line by line.
[A]
Contextual tabs
[B]
Windows borders
[C]
Scroll arrows
[D]
Restore down buttons
(3)
Word, Excel, Access, and Power Point are the programs in _________________.
[A]
Internet browser
[B]
common interface
[C]
Open Office
[D]
Microsoft Office
(4)
A computer used at supermarkets, departmental stores and restaurant etc is called ______ terminal.
[A]
POS
[B]
Dumb
[C]
Intelligent
[D]
Smart
(5)
The CPU is made up of two smaller components
[A]
ALU and CU
[B]
ALU and RAM
[C]
RAM and ROM
[D]
RAM and CU
(6)
Which of the following bypasses the print dialog box when printing individual slides or an entire presentation?
[A]
File, print preview
[B]
Print button
[C]
File, print
[D]
Ctrl + p
(7)
ADSL, SDSL, HDSL, and VDSL are examples of different types of …………
[A]
Digital subscriber lines
[B]
Digital modems
[C]
WAN
[D]
None of these
Answer: Digital subscriber lines
(8)
……………..is the process that transforms data such as voice, text, graphics, audio, and video into digital form.
[A]
Wireless data transmission
[B]
Digitization
[C]
Convergence
[D]
Data transfer
(9)
The ‘C’ language is
[A]
Context free language
[B]
Context sensitive language
[C]
Regular language
[D]
Assembly language
Answer: Context free language
(10)
What is the main advantage of magneticcore memory over semiconductor RAM memory?
[A]
More compact and smaller
[B]
More economical
[C]
A bit does not have to write after reading
[D]
Non-volatile
(11)
Which kind of device allows the user to add components and capabilities to a computer system?
[A]
System boards
[B]
Storage devices
[C]
Input devices
[D]
Expansion slots
(12)
What is the size of the optical compact disk which is used for recording high quality music?
[A]
4.7 inch
[B]
3.5 inch
[C]
5.5 inch
[D]
8.7 inch
(13)
The computer that process both analog and digital is called?
[A]
Analog computer
[B]
Digital computer
[C]
Mainframe computer
[D]
Hybrid computer
(14)
CD-ROM can store upto______ MB of data.
[A]
700 MB
[B]
4000 floppy disk
[C]
320 MB
[D]
Both (a) and (b)
(15)
A computer program that will search its database to find items whose content contains all or at least one of the words given to it?
[A]
Search Engine
[B]
Internet Explorer
[C]
Searching techniques
[D]
Particular keywords
(16)
Softcopy is the intangible output, so then what is hardcopy?
[A]
The physical parts of the computer
[B]
The printed parts of the computer
[C]
The physical output devices
[D]
The printed output
Answer: The printed output
(17)
Which of the following is absence the computer system can still be functional?
[A]
Operating system
[B]
Hard Drive
[C]
RAM
[D]
Sound Card
(18)
..........networks may experience significant slowdowns if more than ten (10) users are on the network?
[A]
Wide area
[B]
Peer-to-peer
[C]
Server-based
[D]
Metropolitan area
(19)
wireless devices have largely been replaced with faster technology?
[A]
802.11b
[B]
802.11g
[C]
802.11n
[D]
802.11a
(20)
The device that acts as an interface to connect with and communicate on a network is known as?
[A]
Network adapter
[B]
Hub
[C]
Repeater
[D]
Switch