Explore topic-wise MCQs in Testing Subject.

This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.

1.

What does DMA stand for?

A. Distinct Memory Access
B. Direct Memory Access
C. Direct Module Access
D. Direct Memory Allocation
Answer» C. Direct Module Access
2.

Which of the following is input device?

A. scanner
B. speaker
C. monitor
D. projector
Answer» B. speaker
3.

Before a disk drive can access any sector record, a computer program has to provide the record’s disk address. What information does this address specify?

A. track number
B. sector number
C. surface number
D. all of above
Answer» E.
4.

Napier’s Bones were invented in

A. 1614
B. 1617
C. 1620
D. None of above
Answer» C. 1620
5.

Which of the following magazines covers only the IBM PC and its compatibles?

A. Byte
B. PC Magazine
C. Personal Computing
D. Interface Age
Answer» C. Personal Computing
6.

One of a class of storage device devices that can access storage locations in any order is

A. DTE
B. DASD
C. DDE
D. DDE
Answer» C. DDE
7.

What are the computers called that performs calculations and comparisons usually in the binary numbering system?

A. Analog Computers
B. Digital Computers
C. Hybrid Computers
D. None of above
Answer» C. Hybrid Computers
8.

What is the number of read-write heads in the drive for a 9-trac magnetic tape?

A. 9
B. 16
C. 18
D. 27
Answer» B. 16
9.

Signals can be analog or digital and a computer that processes the both type of signals is known as

A. Analog computer
B. Digital Computer
C. Hybrid Computer
D. Mainframe Computer
Answer» D. Mainframe Computer
10.

All modern computer operate on

A. Information
B. Floppies
C. Data
D. Word
Answer» D. Word
11.

Floppy disks are available in

A. Single side single density
B. Single side double density
C. Both of above
D. None of above
Answer» D. None of above
12.

The Stepped Reckoner was invented by

A. John Napier
B. William Oughtred
C. Gottfried Leibnitz
D. Blaise Pascal
Answer» D. Blaise Pascal
13.

Which unit converts user data into machine readable form?

A. Input unit
B. Output unit
C. ALU
D. Control Unit
Answer» B. Output unit
14.

What was the name of the first commercially available micro¬processor chip?

A. Intel 8008
B. Intel 8080
C. Intel 4004
D. Motorola 6809
E. None of the above
Answer» D. Motorola 6809
15.

Which of the following high speed non¬impact printers are fast enough to print the entire book in about 1 minute.

A. Laser
B. Dot-matrix
C. Page
D. Line
E. None of the above
Answer» D. Line
16.

If you want to delete something from the right side of the cursor on a document, which among the following shortcut keys may be used to perform this function in a computer?

A. Backspace
B. Delete
C. Shift+Del
D. Ctrl+Esc
E. None of the above
Answer» C. Shift+Del
17.

A ___ uses pressure as a user presses it with a stylus to send signals to the computer.

A. Touchpad
B. Track Point
C. Graphic tablet
D. Track pad
E. Keyboard
Answer» B. Track Point
18.

Debugging is the process ofA. Rolling out a software program.B. Modifying a software programC. Checking errors in a software program.D. Changing the design structure of a program.

A. C
B. D
C. B
D. A
Answer» B. D
19.

_____is a group of single or multiple keys that identifies rows in a table.

A. Primary key
B. Candidate Key
C. Composite Key
D. Compound Key
E. Super Key
Answer» F.
20.

________ can be moved up/down or left/down in a document file.

A. Title Bar
B. Status bar
C. Formula Bar
D. Scroll Bar
E. None of these
Answer» E. None of these
21.

A data processor is termed as a _______.

A. Network adapter
B. Computer
C. Browser
D. Software
Answer» C. Browser
22.

One byte has

A. 8-bits
B. 16-bits
C. 32-bits
D. 64-bits
Answer» B. 16-bits
23.

Bluetooth technology allows

A. Sending of files within the range of 10 km
B. Sending an e-mail
C. Wireless connection between various devices/equipments over short distances
D. Downloading of movies from Internet
Answer» D. Downloading of movies from Internet
24.

In IEEE single precision floating point representation, exponent is represented in ______

A. 8 bit Sign – magnitude representation
B. 8 bit 2’s complement representation
C. Biases exponent representation with a bias value 127
D. Biases exponent representation with a bias value 128
Answer» B. 8 bit 2’s complement representation
25.

ASCII is a coding system that provides ________ different characters.

A. 128
B. 357
C. 1024
D. 2024
Answer» B. 357
26.

__________ is not a computer language.

A. C++
B. LOTUS
C. BASIC
D. JAVA
Answer» C. BASIC
27.

A database used by Microsoft Windows for storing configuration information is known as:

A. Registry
B. Record
C. Cookie
D. Cache
Answer» B. Record
28.

In the context of digital computer, which of the following pairs of digits is referred to as binary code?

A. 1 and 2
B. 0 and 1
C. 2 and 3
D. 3 and 4
Answer» C. 2 and 3
29.

File with ________ extension stores _______ and file with _________ extension stores __________.

A. bmp, image, mp3, sound
B. jpeg, image, sound, mp3
C. bmp, sound, mp3, song
D. bmp, sound, mp3, image
Answer» B. jpeg, image, sound, mp3
30.

In the context of computers and communication technology, 1 Megabyte is equal to ________.

A. 1024 bytes
B. 1024 kilobytes
C. 512 kilobytes
D. 512 bytes
Answer» C. 512 kilobytes
31.

How many bytes equal to a Gigabyte?

A. 210 bytes
B. 220 bytes
C. 230 bytes
D. 240 bytes
Answer» D. 240 bytes
32.

In which digital code each decimal digit is expressed by 4 binary bits?

A. BCD code
B. Binary code
C. ASCII code
D. Gray code
E. EBCDIC code
Answer» B. Binary code
33.

In an EBCDIC system how many possible characters are defined?

A. 8
B. 256
C. 64
D. 10
E. 56
Answer» C. 64
34.

A Digital Signature is a mathematical scheme consisting of ________ algorithms.

A. Two
B. One
C. Three
D. Five
E. Seven
Answer» D. Five
35.

_____ is not an impact printer.

A. Dot matrix printer
B. Drum printer
C. Daisy wheel printer
D. Laser printer
Answer» E.
36.

_____ is a device that modulates signals to encode digital information and demodulates the signal to decode the transmitted information.A. Printer)B. CPU C. KeyboardD. Modem

A. B
B. C
C. A
D. D
Answer» E.
37.

Dot matrix is type of:

A. Floppy disk
B. File
C. Printer
D. Monitor
Answer» D. Monitor
38.

In GUI-based operating systems, the user interface does NOT use which of the following?

A. Color
B. Icons
C. Menus
D. Graphs
Answer» B. Icons
39.

Any digital computer takes ______ as input, ______ the data in its memory and uses it as per instructions, when required.

A. data, stores
B. data, processes
C. program, stores
D. program, generates
Answer» B. data, processes
40.

A computer virus is a:

A. Software that saves the computer from being damaged
B. Application software that helps to make different type of viruses and worms
C. Program that spreads itself and destroys other programs
D. Program that corrects the problems in your computer
Answer» D. Program that corrects the problems in your computer
41.

In the context of the Internet, which of the followings is NOT a protocol?

A. Telnet
B. TCP
C. UDP
D. PPT
Answer» E.
42.

_________ cookies are also known as transient cookies.

A. Third - party
B. First - party
C. Session
D. Persistent
Answer» D. Persistent
43.

It is a graphics solution for Word Processors?

A. Clipart
B. Word Art
C. Drop Cap
D. All of the above
Answer» B. Word Art
44.

Direction: The question consists of two statements, one labelled as 'Statement (I)’ and the other as 'Statement (II)’. Examine these two statements carefully and select the answer using the codes given below:Statement (I): Sign magnitude representation is generally used in implementing the integer portion of the ALU.Statement (II): In sign magnitude representation there are two representations of 0.

A. Both Statement (I) and Statement (I) are individually true and Statement (II) is the correct explanation of Statement (I)
B. Both Statement (I) and Statement (II) are individually true but Statement (II) is not the correct explanation of Statement (I)
C. Statement (I) is true but Statement (II) is false
D. Statement (I) is false but Statement (II) Is true
Answer» E.
45.

If you want to write something at the end of every page in your document, which among the following will be useful for your purpose?

A. Header
B. Footer
C. Bullets
D. Numbers
E. Alignment
Answer» C. Bullets
46.

If we can generate a maximum of 4 Boolean functions using n Boolean variables, what will be minimum value of n?

A. 65536
B. 16
C. 1
D. 4
Answer» D. 4
47.

Moving a file from a remote computer to one's own computer is known as_____.

A. downloading
B. Bluetooth
C. Local Area Network
D. communication
Answer» B. Bluetooth
48.

Any computer is controlled by _____________.

A. Data
B. Software
C. Hardware
D. Instructions
Answer» E.
49.

For the circuit shown below, the complement of the output

A. 0
B. X
C. X'
D. 1
Answer» E.
50.

________ is a technique in which a dedicated and complete physical connection is established between two nodes for communication.

A. Packet switching
B. Circuit switching
C. LAN
D. All the above
Answer» C. LAN