Explore topic-wise MCQs in Current Affairs.

This section includes 224 Mcqs, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.

1.

ASCII File is

A. document file in the universally recognized text format
B. Word processor
C. System file
D. None of these
Answer» B. Word processor
2.

The following are basic types of record- access methods

A. sequential and random
B. direct and immediate
C. sequential and indexed
D. on-line and real-time
Answer» B. direct and immediate
3.

For checking spelling one uses

A. Dictionary Disk
B. Index disk
C. Directory
D. None of these
Answer» B. Index disk
4.

Communications device, combines transmissions from several devices into on line is

A. concentrator
B. modifier
C. multiplexer
D. full-duplex line
Answer» D. full-duplex line
5.

A technique used to reduce the speed mismatch between slow speed I/O devices and fast CPU is called

A. Spooling
B. Paging
C. Segmentation
D. None of these
Answer» B. Paging
6.

Extended ASCII uses

A. 8 bits for coding
B. 9 bits for coding
C. 10 bits for coding
D. 11 bits for coding
Answer» B. 9 bits for coding
7.

Elementary data item are

A. data item which is not broken down into smaller units
B. data item that can be broken down into smaller units
C. data item which is not decomposed into smaller units
D. none of these
Answer» B. data item that can be broken down into smaller units
8.

A group of related items / section of program coding treated as a unit is referred as

A. Block
B. Duplex
C. Street
D. None of these
Answer» B. Duplex
9.

A binary numbers are represented by

A. Digits 0 and 1
B. Digits 0,1,….,8
C. Digits A,B, C,…
D. None of these
Answer» B. Digits 0,1,….,8
10.

Following is true for Bandwidth

A. The wider the bandwidth of a communications system the more data it can transmit in a given period of time.
B. The narrow the bandwidth of a communications system the more data it can transmit in a given period of time.
C. The wider the bandwidth of a communications system the less data it can transmit in a given period of time.
D. None is true
Answer» B. The narrow the bandwidth of a communications system the more data it can transmit in a given period of time.
11.

While buying a PC system, one should first

A. identify hardware components
B. define computing needs
C. both A and B
D. None of these
Answer» D. None of these
12.

A removable direct-access storage medium containing multiple magnetic disks mounted vertically on a single-shaft is referred as

A. Tape pack
B. Disk pack
C. Cylinder
D. None of these
Answer» C. Cylinder
13.

Bubble Memory is

A. nonvolatile
B. volatile
C. permanent
D. None of these
Answer» B. volatile
14.

A data communication facility on which data can be transmitted in two directions is referred as

A. Duplex
B. Simplex
C. Triplex
D. None of these
Answer» B. Simplex
15.

Broadband channel is the

A. The fastest carriers where data transfer rates is of 1 million baud (bits/secon(D) or more.
B. The slower carriers where data transfer rates is of 56k baud
C. Musical channel
D. None of these
Answer» B. The slower carriers where data transfer rates is of 56k baud
16.

Speech synthesis is

A. The ability to input data directly into a computer system by speaking to it
B. The ability to output data directly from a computer system in spoken words
C. Processing of voice in computer systems
D. None of these.
Answer» C. Processing of voice in computer systems
17.

A collection of complete programs, subroutines, and program modules that have already been developed, tested and documented to be used by programming projects.

A. Program counter
B. Program library
C. Programmer
D. None of these
Answer» C. Programmer
18.

A memory in CPU that holds program instructions, input data, intermediate results and the output information produced during processing is

A. Secondary memory
B. Primary memory
C. Auxiliary memory
D. None of these
Answer» C. Auxiliary memory
19.

A method of providing virtual memory

A. Segmentation
B. De-fragmentation
C. Paging
D. None of these
Answer» B. De-fragmentation
20.

The following is an nonvolatile memory

A. ROM
B. RAM
C. LSI
D. VLSI
Answer» B. RAM
21.

EBCDIC is

A. 6-bit coding system
B. 7-bit coding system
C. 8-bit coding system
D. 9-bit coding system
Answer» D. 9-bit coding system
22.

Instead of buying new computer, productivity of old one can be economically enhanced with the help of?

A. Motherboard
B. Breadboard
C. Daughter board
D. Grandmother board.
Answer» D. Grandmother board.
23.

A fixed number of adjacent bits that represent a particular character or symbol are referred as

A. Byte
B. Octal
C. Bubble
D. None of these
Answer» B. Octal
24.

The hexadecimal number system has a base of

A. 2
B. 4
C. 8
D. 16
Answer» E.
25.

Microsoft Excel is

A. financial planning package
B. electronic spreadsheet
C. graphics package
D. data-base management package
Answer» C. graphics package
26.

Which of the following is not true of amagnetic disk?

A. Users can update records by writing over the old data
B. It provides sequential access to stored data
C. It is slow relative to magnetic tape
D. All of the above are true
Answer» C. It is slow relative to magnetic tape
27.

The following piece of hardware is used asinput phase of a computer-based information system

A. Printer
B. Diskette
C. Monitor
D. Keyboard
Answer» E.
28.

Following is false for BASIC

A. Beginners All-Purpose Symbolic Instruction Code
B. High-level interactive programming language
C. Works in timesharing environment
D. Low level object oriented language
Answer» E.
29.

ANSI is

A. American National Standards Institute
B. A USA based national organization that establishes uniform standards in several fields of computers.
C. Both A & B are true
D. None is true
Answer» D. None is true
30.

A flat, circular plate coated with a magneticmaterial on which data can be stored by magnetization of portions of the flat surface is

A. Disk
B. Tape
C. Pen drive
D. None of these
Answer» B. Tape
31.

Following is not the from of secondary storage

A. Magnetic tape
B. CD’s
C. Disk
D. Hard disk
Answer» E.
32.

In Batch processing

A. Several computer programs runs one after another without human interaction to run each program individually.
B. Several computer programs runs one after another with human interaction to run each program individually
C. Selected computer programs runs one after another with human interaction to run each program individually
D. None is true
Answer» B. Several computer programs runs one after another with human interaction to run each program individually
33.

The total number of digits (symbols) available to represent numbers in a positional number system is referred as

A. Number system
B. Base
C. Power
D. None of these
Answer» C. Power
34.

Automated Office refers to the merger of                        in an office environment.

A. Computers
B. office
C. telecommunications
D. All the above
Answer» E.
35.

An adder which adds three binary digits andoutputs a result bit and a carry bit is referred as

A. Half adder
B. Quarter adder
C. Full adder
D. None of these
Answer» D. None of these
36.

In a disk system time required for a read/ write head to move to the track where the record to be read or written is stored is

A. Access time
B. Random time
C. Response time
D. Seek time
Answer» E.
37.

Electronic Mail /Message System (EMMS) best suits to

A. Postal service
B. Telephone service
C. Telegraph service
D. None of these
Answer» B. Telephone service
38.

A remote batch-processing operation where data is solely input to a central computer would require

A. telegraph line
B. simplex lines
C. mixed-band channel
D. none of these
Answer» C. mixed-band channel
39.

The microcomputers which have the same operating characteristics as the IBM microcomputers are called

A. IBM desk top
B. IBM PC
C. IBM advanced computers
D. None of theses
Answer» C. IBM advanced computers
40.

A process of trying out a new product by independent users before it is finally manufactured/ developed

A. Alpha test
B. Beta Test
C. Gamma test
D. None of these
Answer» C. Gamma test
41.

In Broadband system a network system

A. Several analog signals share the same physical network channel.
B. Only digital signals share the same physical network channel.
C. Single analog signals share the same physical network channel.
D. None of these.
Answer» B. Only digital signals share the same physical network channel.
42.

Primary advantage of key-to-tape data-entry systems

A. A large percentage of editing can be performed at the time of data entry
B. Key verification is easily performed
C. The tape is reusable
D. Keying errors can be detected as they occur
Answer» D. Keying errors can be detected as they occur
43.

The time period during which a computer is malfunctioning or not operating correctly due to machine failures is referred as

A. Downtime
B. Uptime
C. Runtime
D. None of these
Answer» B. Uptime
44.

Audio response is

A. output medium
B. produces verbal responses from the computer system
C. Both A & B true
D. None is true
Answer» D. None is true
45.

In the IBM PC’s, the CPU, the device drives, memory, expansion slots and active components are mounted on a single board referred as

A. Motherboard
B. Breadboard
C. Daughter board
D. Father board.
Answer» B. Breadboard
46.

The set of computer programs, procedures, and associated documentation related to the effective operation of a computer system is referred as

A. Software
B. Hardware
C. Hardcopy
D. Softcopy
Answer» B. Hardware
47.

An optical input device that is used to readdocuments printed in a special type font is known as

A. Document reader
B. Documentation
C. Printer
D. None of these
Answer» B. Documentation
48.

The following is responsible for number of logical records in a physical record

A. Blocking factor
B. Block
C. Boolean algebra
D. None of these
Answer» B. Block
49.

Maximum character EBCDIC can code

A. 8
B. 16
C. 64
D. 256
Answer» E.
50.

A register in CPU used to store the address of the next instruction to be executed is known as

A. Program counter
B. Program library
C. Programmer
D. None of these
Answer» B. Program library