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 is a hardware device that converts data into meaningful information?

A. protector
B. output device
C. input device
D. Processor
Answer» E.
2.

Which of the following establishes harmony between all the parts of the computer?

A. Logic unit
B. control unit
C. Arithmetic logic unit
D. All of the above
Answer» C. Arithmetic logic unit
3.

What is processed data called?

A. Input
B. Output
C. process
D. All of the above
Answer» C. process
4.

What is Compare?

A. Arithmetic work of ALU
B. Logical Unit of ALU
C. Input-output function of ALU
D. All of the above
Answer» B. Logical Unit of ALU
5.

Which is called the brain of computer?

A. Commemoration
B. keyboard
C. सी०पी०यू०
D. Hard disk
Answer» D. Hard disk
6.

Which is not included in the main component of computer's working system?

A. Investment
B. issue
C. Internet
D. external memory
Answer» D. external memory
7.

What is the capacity of the computer?

A. Limited
B. Unlimited
C. Lower
D. High
Answer» B. Unlimited
8.

A computer is a device that is not only a calculator but also a means of processing information.

A. mathematical
B. Innumerable
C. Marketing
D. (a) and (b) both
Answer» E.
9.

Which of the following establishes the connection between the VDU and the keyboard?

A. printer
B. mouse
C. सी०पी०यू०
D. terminal
Answer» D. terminal
10.

What is the brain of a computer called?

A. numerical work
B. logical function
C. data collection
D. All of the above
Answer» B. logical function
11.

What is the full name of ALU?

A. Arithmetic Logic Unit
B. Arithmetic Large Unit
C. arithmetic log unit
D. All of the above
Answer» B. Arithmetic Large Unit
12.

Which of the following is CPU?

A. hardware device
B. Box
C. Circuit
D. Peripheral
Answer» B. Box
13.

What is CPU in computer?

A. cover processing unit
B. control processing unit
C. central processing unit
D. All of the above
Answer» D. All of the above
14.

Which of the following is a part of P.U.?

A. key board
B. printer
C. tape
D. ए०एल०यू०
Answer» E.
15.

What is called data in computer?

A. to number
B. Of the sign
C. to the given information
D. symbol and numeric information
Answer» E.
16.

The conversion of input into output is done by ………….

A. peripherals
B. memory
C. storage
D. CPU
Answer» E.
17.

what is Computer ?

A. electronic machine
B. power machine
C. human machine
D. electric machine
Answer» B. power machine
18.

The data going into the computer is called ..................

A. Output
B. algorithm
C. Input
D. calculations
Answer» D. calculations
19.

The number store used to calculate ............ fields in the database is called.

A. Next
B. Of
C. Alphanumeric
D. numeric
Answer» E.
20.

What is the meaning of data processing?

A. collection of data
B. working of computer
C. to compute
D. Preparation of information for commercial use
Answer» E.
21.

Which of the following is the part of the CPU that coordinates the activities of all other computer components?

A. mother board
B. coordination board
C. control unit
D. none of these
Answer» D. none of these
22.

................ is an electronic device that processes data by converting it into information?

A. Processor
B. Computer
C. Case
D. none of these
Answer» B. Computer
23.

Fresh fruit contains 65% water and dried fruit contains 15% water. How much dry fruit will be obtained from 100 kg of fresh fruit?

A. 12.32
B. 41.17
C. 34.3
D. 41.17
Answer» E.
24.

By computer process ............... are converted into information.

A. Number
B. Processor
C. Input
D. Data
Answer» E.
25.

(? of 24/3 %)=120

A. 1200
B. 2300
C. 1500
D. 4321
Answer» D. 4321
26.

The sum of two numbers is 24/20 of the first number, the second number is what percent of the first number?

A. 12
B. 23
C. 45
D. 20
Answer» E.
27.

Ram's marks in Hindi, Mathematics and Science are 55, 47 and 72 respectively. What is his average score?

A. 78
B. 34
C. 58
D. 39
Answer» D. 39
28.

What is the average of the first 9 prime numbers?

A. 100/9
B. 78/9
C. 45/6
D. 89/9
Answer» B. 78/9
29.

The cost of a fan including 20% ​​sales tax is Rs.820. How much is sales tax?

A. 123.45
B. 345.32
C. 136.66
D. 112.56
Answer» D. 112.56
30.

If x% of 1300 =120, then x is equal to?

A. 9.23
B. 6.45
C. 9.87
D. 12.4
Answer» B. 6.45
31.

RAM: YES ::

A. doe : heart
B. swan : cygnet
C. marquis : marquee
D. testator : testatrix
Answer» E.
32.

If x is 10% less than y and y is 10% more than 120, then the value of x is

A. 118.8
B. 123.3
C. 34.2
D. 230
Answer» B. 123.3
33.

If 2/8 % of the value of a house is Rs 3000 then what will be the cost of the house?

A. 200000
B. 300000
C. 1100000
D. 1200000
Answer» E.
34.

85% of which number is 15?

A. 45
B. 17.64
C. 15.67
D. 14.56
Answer» C. 15.67
35.

4 hours is what percent of 1 day?

A. 20/3
B. 34/2
C. 50/3
D. 67/2
Answer» D. 67/2
36.

What percentage of 8.2 kg is 20 grams?

A. 1.23%
B. 2.33%
C. 4.44%
D. 0.24%
Answer» E.
37.

If x%=36 of x, then what is the value of x?

A. 23
B. 34
C. 60
D. 56
Answer» D. 56
38.

A number is 45 more than its 20%. number is ?

A. 45
B. 23
C. 67
D. 56.25
Answer» E.
39.

Converting 6:5 to a percentage, we get?

A. 100%
B. 120%
C. 130%
D. 105%
Answer» C. 130%
40.

2/3 is what percent of 1/4?

A. 266.66%
B. 250%
C. 233.33%
D. 123.23%
Answer» B. 250%
41.

Who first observed cell division and when?

A. Strasberger (1888)
B. Weisman (1886)
C. Farmer and Moore (1854)
D. Virchau (1855)
Answer» E.
42.

What is the full name of DNA?

A. deoxyribose nucleic acid
B. ribose nucleic acid
C. messenger rna
D. none of these
Answer» B. ribose nucleic acid
43.

Who propounded the model of the double helix structure of DNA?

A. Watson and Crick
B. Boberi has
C. wweizmann
D. Robinson and Brown
Answer» B. Boberi has
44.

BACK: TRICKLE ::

A. much : little
B. much : more
C. copious : abundant
D. much : many
Answer» B. much : more
45.

Who is called the carrier of inheritance?

A. Of chromosomes
B. to genes
C. Of the cell
D. to DNA and RNA
Answer» B. to genes
46.

How many types of proteins are present in DNA?

A. Two
B. three
C. Four
D. Six
Answer» D. Six
47.

Two intertwined fine and coiled threads are seen in the matrix, which are called?

A. Each chromosome has a jelly-like thickened part
B. chromonemata
C. Both the chromatids are attached to each other at a certain place
D. none of these
Answer» C. Both the chromatids are attached to each other at a certain place
48.

Each chromosome has a jelly-like thickened part, what is it called?

A. matrix
B. chromonemata
C. centromere
D. none of these
Answer» B. chromonemata
49.

What is called a suicide bag?

A. ribosome
B. lysosomes
C. Stellar body
D. Mitochondria
Answer» C. Stellar body
50.

What is the number of chromosomes in human?

A. 23 pairs
B. 24 pairs
C. 21 pairs
D. none of these
Answer» B. 24 pairs