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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)
Press the ___ button to have the window fill the entire screen
[A]
Close
[B]
Maximize
[C]
Minimize
[D]
All of the above
(2)
A packet switching network that was sponsored by the Commission of the EEC and became operational in 1979 is
[A]
LAN
[B]
Broadband network
[C]
Star network
[D]
Euronet
(3)
A Winchester disk is a
[A]
Disk Stack
[B]
Removable disk
[C]
Flexible disk
[D]
All of the above
(4)
Which of the following is not a factor affecting the processing capability or performance of a PC system?
[A]
The clock sped of the microprocessor
[B]
The revolutions per minute of the printer disk
[C]
The primary storage capacity of the processor
[D]
The built-in instruction set available to the microprocessor
Answer: The revolutions per minute of the printer disk
(5)
Condensing output data to exhibit specific information is
[A]
Calculating
[B]
Recording
[C]
Merging
[D]
Summarising
(6)
Which of the following is used for manufacturing chips?
[A]
Control bus
[B]
Control unit
[C]
Parity unit
[D]
Semiconductor
(7)
The computer industry uses prefixes of Greek origin to measure large amounts of data. Which term describes 1024 bytes.
[A]
Kilobyte
[B]
Megabyte
[C]
Gigabyte
[D]
Terabyte
(8)
One nibble is equal to
[A]
4 bits
[B]
8 bits
[C]
6 bits
[D]
16 bits
(9)
Which among the following is responsible for allocating IP addresses and managing the domain name system.?
[A]
Domain name warehousing
[B]
Internet Corporation For Assigned Names and Numbers
[C]
Internet Assigned Numbers Authority
[D]
None of these
Answer: Internet Corporation For Assigned Names and Numbers
(10)
What is used in most programs that is a part of a program and guides the user through certain steps?
[A]
Software
[B]
Wizard
[C]
Wiki
[D]
None of these
(11)
A generic name for Intel processors released after the original 8086 processor is ______ ?
[A]
Pentium
[B]
X86
[C]
Pentium 286
[D]
None of these
(12)
Structured Query Language (SQL) is used in the following ?
[A]
Create Databases
[B]
Create & Modify Databases
[C]
Create, Modify & Query Databases
[D]
None of these
Answer: Create, Modify & Query Databases
(13)
NetBIOS was introduced in 1983 by which company as an improvement to the standard BIOS used by Windows-based computers?
[A]
Dell
[B]
IBM
[C]
Compaq
[D]
None of these
(14)
The performance of a hard drive or other storage device, meaning how long it takes to locate a file is called?
[A]
Response time
[B]
Access Time
[C]
Quick time
[D]
Processing time
(15)
Structured query language (SQL) is used in the following?
[A]
Create database
[B]
Create & Modify Databases
[C]
Create, Modify & Query Databases
[D]
Modify Database
Answer: Create, Modify & Query Databases
(16)
First microprocessor was used in which of the following?
[A]
Computer
[B]
Calculator
[C]
Telephones
[D]
Printers
(17)
In computer file systems which among the following is top or first in hierarchy?
[A]
Root directory
[B]
Parent directory
[C]
Home directory
[D]
Working directory
(18)
To avoid the wastage of memory, the instruction length should be
[A]
Multiple of character size only
[B]
Of word size only
[C]
Of file size only
[D]
Of word size which is multiple of character size
Answer: Of word size which is multiple of character size
(19)
The parity bit is added for the purpose of
[A]
Coding
[B]
Error detection
[C]
Controlling
[D]
Indexing
(20)
A DSLAM is a device used by Internet Service Providers (ISPs) to route incoming DSL connections to the Internet. What is its correct full form?
[A]
Digital Subscriber Line Access Multiplexer
[B]
Digital Subscriber Line Access Multiplier
[C]
Digital Service Line Access Multiplexer
[D]
Dual Subscriber Line Access Multiplexer
Answer: Digital Subscriber Line Access Multiplexer
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