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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)
............ is a combination of software and hardware
[A]
Firmware
[B]
Shareware
[C]
Freeware
[D]
Netware
(2)
Which application is used to prepare a presentation/ slide show?
[A]
Photoshop
[B]
Power Point
[C]
Outlook Express
[D]
Internetexplorer
(3)
Which of the following terms is associated with the computers processing speed?
[A]
MIPS(Million Instruction Per Second)
[B]
FCFS
[C]
MPEG
[D]
TIFF
Answer: MIPS(Million Instruction Per Second)
(4)
What is the difference between a CD-ROM and a CD-RW?
[A]
They are the same - just two different terms used by different manufactures
[B]
A CAD-ROM can be written to and a CDRW cannot
[C]
A CD-RW can be written to but a CDROM can only be read from
[D]
A CD-ROM holds more information than a CD-RW
Answer: A CD-RW can be written to but a CDROM can only be read from
(5)
The ALU of a computer responds to the commands coming from
[A]
Primary memory
[B]
Control section
[C]
External memory
[D]
Cache memory
(6)
Chief component of first generation computer was
[A]
Transistors
[B]
Vacuum Tubes and Valves
[C]
Integrated Circuits
[D]
All of the above
Answer: Vacuum Tubes and Valves
(7)
The output quality of a printer is measured by
[A]
Dot per sq. inch
[B]
Dot per inch
[C]
Dots printed per unit time
[D]
All of the above
(8)
EPROM can be used for
[A]
Erasing the contents of ROM
[B]
Reconstructing the contents of ROM
[C]
Erasing and reconstructing the contents of ROM
[D]
Duplicating ROM
Answer: Erasing and reconstructing the contents of ROM
(9)
The contents of information are stored in
[A]
Memory data register
[B]
Memory address register
[C]
Memory arithmetic registers
[D]
Memory access register
Answer: Memory data register
(10)
Computers with 80286 microprocessor:
[A]
XT computer
[B]
AT computer
[C]
PS/2 computer
[D]
PS/3 computer
(11)
Which of the following is not processing?
[A]
Arranging
[B]
Manipulating
[C]
Calculating
[D]
Gathering
(12)
Bluetooth is a type of radio wave information transmission system that is good for about __
[A]
30 feet
[B]
30 yards
[C]
30 miles
[D]
300 miles
(13)
Acredit card-sized expansion board that is inserted into portable computers that connects the modem to the telephone wall jack
[A]
Internal modem
[B]
External modem
[C]
PC Card modem
[D]
Wireless modem
(14)
Aspecial high-speed line used by large corporations to support digital communications is known as ___
[A]
Satellite/air connection service lines
[B]
Cable modems
[C]
Digital subscriber lines
[D]
T1, T2, T3 and T4 lines
Answer: T1, T2, T3 and T4 lines
(15)
The capacity of a communication channel is measured in ___
[A]
Bandwidth
[B]
Bit capacity
[C]
Baud rate
[D]
Data flow
(16)
What is the name given to the values that are automatically provided by software to reduce keystrokes and improve a computer user's productivity?
[A]
Defined values
[B]
Fixed values
[C]
Default values
[D]
Special values
(17)
In MS-DOS 5.0, which is the number that acts as a code to uniquely identify the software product?
[A]
MS
[B]
DOS
[C]
MS DOS
[D]
5.0
(18)
A page fault
[A]
Is an error in a specific page
[B]
Occurs when a program accesses a page of memory
[C]
Is an access to a page not currently in memory
[D]
None of these
Answer: Is an access to a page not currently in memory
(19)
Banker's algorithm for resource allocation deals with
[A]
Deadlock prevention
[B]
Deadlock avoidance
[C]
Deadlock recovery
[D]
Mutual exclusion
Answer: Deadlock avoidance
(20)
The state of a process after it encounters an I/O instruction is
[A]
Ready
[B]
Blocked/Waiting
[C]
Idle
[D]
Running
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