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Question Bank

NIELIT Scientist B Exam - English

Duration: 180 · Questions: 120 · Max Marks: 120 · Language: 3

View NIELIT Scientist B & Scientific Technical Assistant 2026 Exam Page

Technical Area

1
The 0 and 1 in the binary numbering system are called Binary Digits or
  1. A.Bytes      
  2. B.Kilobytes
  3. C.Decimal bytes
  4. D.Bits          
2
What language does a browser typically interpret to display information from the World Wide Web ?  
  1. A.Machine Code
  2. B.Assembly Language
  3. C.HTML
  4. D.C++  
3
______ is the process of finding errors in software code.
  1. A.Compiling
  2. B.Testing
  3. C.Running
  4. D.Debugging
4
The code for a Web page is written using _________.
  1. A.A fifth generation language
  2. B.WinZip
  3. C.Peripherals
  4. D.Hypertext Markup Language
5
A program is a sequence of ___________ written in a programming language.
  1. A.Lines
  2. B.Function
  3. C.Instructions
  4. D.Code words    
6
Which of the following languages is more suited to a structured program ?
  1. A.PL/1
  2. B.FORTRAN
  3. C.BASIC
  4. D.PASCAL
7
A computer program that converts assembly language to machine language to machine language is
  1. A.compiler
  2. B.Interpreter
  3. C.Assembler
  4. D.None of the above
8
The symbols used in an assembly language are
  1. A.Codes
  2. B.Mnemonics
  3. C.Assembler
  4. D.All of the above      
9
Which is a non-standard version of a computing language ?
  1. A.PROLOG
  2. B.APL
  3. C.Army
  4. D.PL/1
10
A language which is close to that used with in the computer is
  1. A.High – level language
  2. B.Assembly language
  3. C.Low- level language
  4. D.All of the above      
11
Program execution time would be minimum if the programs are written in
  1. A.Machine Language   
  2. B.Assembly language   
  3. C.High level language
  4. D.All of the above       
12
Which one of the following is not a type of a language processor ?
  1. A.Compiler
  2. B.Interpreter  
  3. C.Application software
  4. D.Assembler    
13
Which one of the following is called low level languages ?
  1. A.Machine language
  2. B.Assembly language
  3. C.both of the above
  4. D.None of the above
14
Which is the limitation of high level language ?
  1. A.Lower efficiency
  2. B.Machine dependence
  3. C.Machine level coding
  4. D.None of above
15
Programming language which is used for scientific purposes and work is to be done in batches is
  1. A.PASCAL
  2. B.FORTRAN
  3. C.LOGO     
  4. D.COMAL     
16
Programming language which is extension of programming language 'BASIC' is
  1. A.PASCAL
  2. B.COBOL
  3. C.LOGO
  4. D.COMAL   
17
Program subroutines are
  1. A.called by other programs
  2. B.fixed variable
  3. C.default constants
  4. D.default variables     
18
Loop statement which is repeated to some given number of times is classified as
  1. A.FOR loop
  2. B.GO loop
  3. C.REPEAT loop
  4. D.GO REPEAT loop  
19
A program which interprets each line of high level program at time of execution is called
  1. A.instructor
  2. B.interpreter
  3. C.translator
  4. D.executor  
20
Set of data whose items are organized together is classified as
  1. A.data structure
  2. B.variable structure
  3. C.string structure
  4. D.positive structure
21
______ is a container that represents a value in a program .
  1. A.Compiler
  2. B.Variable
  3. C.Data type
  4. D.None of the above
22
To distinguish between different data types, a computer uses special ______ .
  1. A.Internal codes
  2. B.External codes
  3. C.compilers
  4. D.None of the above
23
_______ is the same thing as a variable with one major difference. Its does not change, while the value of a variable can change throughout a program .
  1. A.fixed-Variable
  2. B.Conditional
  3. C.Constant
  4. D.None of the above
24
Array is a special type of variable used in many programming languages, such as ________
  1. A.C
  2. B.C++
  3. C.Java
  4. D.All of the above
25
What is a segment of code that executes repeatedly based on a certain condition ?
  1. A.Function
  2. B.Array
  3. C.Loop
  4. D.None of the above
26
What is defined as a set of code used to carry out specific tasks ?
  1. A.Function
  2. B.Class
  3. C.Loop
  4. D.None of the above
27
What is used for a real world object that is to be used in a program ?
  1. A.Program
  2. B.Template
  3. C.Car Class
  4. D.None of the above
28
_______ is object oriented programming language that uses virtual functions, multiple inheritance, exception handling, polymorphism, etc .
  1. A.C++
  2. B.C
  3. C.GUI
  4. D.None of the above
29
C++ provides comprehensive coverage of abstract classes, such as ______ .
  1. A.Interfaces
  2. B.Regular error handling, standard strings
  3. C.I/O strings   
  4. D.All of the above   
30
A linked list a linear collection of similar data elements called ______ .
  1. A.Subscript
  2. B.Index
  3. C.Nodes
  4. D.Null
31
______ was the first high-level language developed by john Backus at IBM in 1956
  1. A.FORTRAN
  2. B.COBOL
  3. C.BASIC
  4. D.NONE OF THE ABOVE
32
This language was developed by Dennis Ritchie of Bell Laboratories in order to implement the operating system UNIX .
  1. A.C
  2. B.C++
  3. C.Java
  4. D.LISP
33
C is known as
  1. A.low level programming language
  2. B.High level  programming language    
  3. C.Machine language
  4. D.None of the above
34
Which of the following is language processor ?
  1. A.Interpreter
  2. B. Assembler
  3. C.Compiler
  4. D.All of the above
35
________ converts an assembly language program into machine language .
  1. A.Assembler     
  2. B.Compiler
  3. C.Interpreter
  4. D.All of the above 
36
Which of the following language processors converts a high-level language program line by line into a machine language ?
  1. A.Assembler
  2. B.Interpreter
  3. C.Compiler
  4. D.None of the above
37
Errors in a computer program are referred to as
  1. A.Bugs
  2. B.Mistakes
  3. C.Item overlooked
  4. D.Crash
38
Computer programs are written in a high level programming language; however, the human-readable version of a program is called ________ .
  1. A.cache
  2. B.Instruction set
  3. C.source code
  4. D.word size
39
Which of the following is not a programming language ?
  1. A.Pascal
  2. B.Microsoft Office
  3. C.Java
  4. D.C++
40
The postfix expression AB + CD − can be evaluated using a
  1. A.stack
  2. B.tree
  3. C.queue
  4. D.linked list
41
The post order traversal of a binary tree is DEBFCA. Find out the pre-order traversal .
  1. A.ABFCDE
  2. B.ADBFEC
  3. C.ABDECF
  4. D.None of the above
42
The branch logic that provides making capabilities in the control unit is known as
  1. A.Controlled transfer
  2. B.Conditional transfer
  3. C.Unconditional transfer
  4. D.None of the above
43
The number of colour required to properly colour the vertices of every planer graph is
  1. A.2
  2. B.3
  3. C.4
  4. D.5
44
In multiuser database if two users wish update the same record at the same time, they are prevented from doing so by
  1. A.Jamming
  2. B.Password
  3. C.Documentation
  4. D.Record lock
45
A binary search tree is a binary tree :
  1. A.All items in the left subtree are less than root
  2. B.All items in the right subtree greater than or equal to the root
  3. C.Each subtree is itself a binary search tree
  4. D.All of the above
46
What deletes the entire file except the file structure ?
  1. A.ERASE
  2. B.DELETE
  3. C.ZAP
  4. D.PACK
47
Which command is the fastest among the following ?
  1. A.COPY TO < NEW FILE >
  2. B.COPY STRUCTURE TO < NEW FILE >
  3. C.COPY FILE < FILE 1> < FILE 2 >
  4. D.COPY TO MFILE-DAT DELIMITED
48
B+ tree are preferred to binary tree in Database because ?
  1. A.Disk capacity are greater than memory
  2. B.Disk access is much slower than memory access
  3. C.Disk data transfer rates are much less than memory data transfer rate
  4. D.Disks are more reliable than memory
49
A Transaction Manager is which of the following ?
  1. A.maintains a log of transactions
  2. B.Maintains before and after database images
  3. C.maintains appropriate concurrency control
  4. D.All of the above
50
Leaves of which of the following trees are at the sam level ?
  1. A.Binary tree
  2. B.B-tree
  3. C.AVL-tree
  4. D.Expression tree
51
Which of the following TCP/IP Internet protocol is diskless machine uses to obtain its IP address from a server ?
  1. A.RAP
  2. B.RIP
  3. C.ARP
  4. D.X.25
52
Decryption and encryption of data are the responsibility of which of the following later ?
  1. A.Physical layer
  2. B.Data Link layer
  3. C.Presentation layer
  4. D.Session layer
53
In which circuit switching, delivery of data is delayed because data must be stored and retrieved from RAM ?
  1. A.Space division
  2. B.Time division
  3. C.Virtual
  4. D.Packet
54
In which Routing Method do all the routers have a common database ?
  1. A.Distance vector
  2. B.Link state
  3. C.Link vector
  4. D.Dijkestra method
55
Page Shift Keying (PSK) Method is used to modulate digital signal at 9600 bps using 16 level. Find the line signals and speed (i.e. modulation rate) .
  1. A.2400 bauds
  2. B.1200 bauds
  3. C.4800 bauds
  4. D.9600 bauds
56
The station to hub distance in which it is 2000 metres .
  1. A.100 Base - Tx
  2. B.100 Base-Fx
  3. C.100 Base-T4
  4. D.100 Base-T1
57
Main aim of software engineering is to produce
  1. A.program
  2. B.software
  3. C.within budget
  4. D.software within budget in the given schedule
58
Key process area of CMM level 4 are also clasified by a process which is
  1. A.CMM level 2
  2. B.CMM level 3
  3. C.CMM level 5
  4. D.All of the above
59
Validation means -
  1. A.are we bulding the product right
  2. B.are we building the right product
  3. C.Verification of fields
  4. D.None of the above
60
If a process is under statistical control, then it is
  1. A.Maintainable
  2. B.Measurable
  3. C.Predictable
  4. D.Verifiable
61
In a function oriented design, we
  1. A.minimize cohesion and maximize coupling
  2. B.maximize cohesion and minimize coupling
  3. C.maximize cohesion and maximize coupling
  4. D.minimize cohesion and minimize coupling
62
Which of the following metric does not depend on the programming language used ?
  1. A.Line of code
  2. B.Function count
  3. C.Member of token
  4. D.All of the above
63
A/B+ tree index is to be built on the name atribute of the relation STUDENT. Asume that all students names are of length 8 bytes, disk block are of size 512 bytes and index pointers are of size 4 bytes. Given the scenario what would be the best choice of the degree (i.e. the number of pointers per node) of the B+ tree ?
  1. A.16
  2. B.42
  3. C.43
  4. D.44
64
The inorder traversal of the tree will yield a sorted listing of elements of tree in
  1. A.Binary tree
  2. B.Binary search tree
  3. C.Heaps
  4. D.None of the above
65
Mobile IP provides two basic functions .
  1. A.Route discovery and registration
  2. B.Agent discovery and registration
  3. C.IP binding and registration
  4. D.None of the above
66
Pre-emptive scheduling is the strategy of temporarily suspending a gunning process
  1. A.before the CPU time slice expires
  2. B.to allow starving processes to run
  3. C.when it requests I/O
  4. D.to avoid collision
67
In round robin CPU scheduling as time quantum is increased the average turn around time
  1. A.increases
  2. B.decreases
  3. C.remains constant
  4. D.varies irregularly
68
Resources are allocated to the process on nonsharable basis is
  1. A.mutual exclusion
  2. B.hold and wait
  3. C.no pre-emption
  4. D.circular wait
69
Cached and interleaved memories are ways of speeding up memory access between CPU's and slower RAM. Which memory models are best suited (i.e. improves the performance most) for which programs ?
(i) Cached memory is best suited for small loops
(ii) Inteleaved memory is best suited for small loops
(iii) Interleaved memory is best suited for large sequential
(iv) Cached memory is best suited for large sequential
code :
  1. A.(i) and (ii) are true
  2. B.(i) and (iii) are true
  3. C.(iv) and (ii) are true
  4. D.(iv) and (iii) are true
70
Consider the following page trace :
4, 3, 2, 1, 4, 3, 5, 4, 3, 2, 1, 5
Percentage of page fault that would occur if FIFO page replacement algorithm is used with number of frames for the JOB m = 4 will be
  1. A.8
  2. B.9
  3. C.10
  4. D.12
71
Check sum used along with each packet computes the sum of the data, where data is treated as a sequence of
  1. A.Integer
  2. B.Character
  3. C.Real numbers
  4. D.Bits
72
If an integer needs two bytes of storage, then the maximum value of a signed integer is
  1. A.216 − 1
  2. B.215 − 1
  3. C.216
  4. D.215
73
Which of the following logic families is well suited for high-speed operations ?
  1. A.TTL
  2. B.ECL
  3. C.MOS
  4. D.CMOS
74
Interrupts which are initiated by an instruction are
  1. A.Interrupts
  2. B.External
  3. C.Hardware
  4. D.Software
75
printf (" %c", 100) ;
  1. A.prints 100
  2. B.prints ASCII equivalent of 100
  3. C.prints garbage
  4. D.None of the above
76
For the transmission of the signal, Bluetooth wireless technology uses
  1. A.time division multiplexing
  2. B.frequency division multiplexing
  3. C.time division duplex
  4. D.frequency division duplex
77
Consider the following statements :
I. Recursive languages are closed under complementation
II. Recursively enumerable languages are closed under union
III. Recursively enumerable languages are closed under complementation
Which of the above statements are true ?
  1. A.I only
  2. B.I and II
  3. C.I and III
  4. D.II and III
78
What is the routing algorithm used by RIP and IGRP ?
  1. A.OSPF
  2. B.Link-state
  3. C.Dynamic
  4. D.Dijkestra vector

Generic Area

1
Yojna a weekly journal
  1. A.Ministry of Finance        
  2. B.Ministry of Information and Broadcastin
  3. C.Ministry of Rural Development
  4. D.Planning Commission
2
Kurukshetra a journal on rural development is published by
  1. A.Ministry of Finance 
  2. B.Ministry of Information and Broadcastin
  3. C.Ministry of Rural Development
  4. D.Planning Commission
3
Devaluation of a currency means
  1. A.Fixing the value of the currency in conjuction with the movement in the value of a basket of predetermined currencies
  2. B.Reduction in the value of a currency vis-à-vis major internationally traded currencies
  3. C.Fixing the value of currency in multilateral consultaion with the IMF the World Bank and major trading partners
  4. D.Permitting the currency to seek its worth in the international market
4
In India rural incomes are generally lower than the urban incomes, which of the following reasons account for this
            1. a large number of farmers are illiterate and know little about scientific agriculture
            2. prices of primary products are lower than those of manufactured products
            3. Investments in agriculture has been low when compared to investment in industry
  1. A.1 and 3
  2. B.2 and 3
  3. C.1 and 2
  4. D.1,2 and 3
5
Which of the following programmes aims at the promotion of savings among rural women
  1. A.Rashtriya Mahila Kosh
  2. B.Indira Mahila Yojna
  3. C.Jawahar Rozgar Yojna
  4. D.Mahila Samridhi Yojna
6
What is Net National Product
  1. A.the money value of final goods and services produced annually in the economy
  2. B.the money value of annual service generation in the economy
  3. C.the money value of tangible goods produced annually in the economy
  4. D.The money value of tangible goods available in the economy
7
National income is the 
  1. A.net national product at market price
  2. B.net national product at factor cost
  3. C.net domestic product at market price
  4. D.net domestic product at factor cost
8
Chelliah Committee of 1992 deals with the overhauling of our
  1. A.financial system            
  2. B.tax system
  3. C.patents and copyrights  
  4. D.Public sector undertakings
9
During which Five Year Plan was the annual growth rate of National Income the lowest
  1. A.2nd plan
  2. B.3rd plan
  3. C.5th plan
  4. D.6th plan
10
Which of the following taxes is a progressive tax
  1. A.sales tax           
  2. B.custom tax
  3. C.excise tax         
  4. D.income tax
11
Which of the following estimates the National Income in India
  1. A.National Income Committee
  2. B.Planning Commission
  3. C.Reserve Bank Of India
  4. D.Central Statistical Organisation
12
India changed over to the decimal system, coinage in
  1. A.April 1951         
  2. B.April 1955
  3. C.April 1957         
  4. D.April 1978
13
According to the passage, what is the main purpose of data protection laws ?
  1. A.To ensure that foreign countries invest in research for drugs to treat diseases like TB
  2. B.To attract Indian scientists back to the country
  3. C.To prevent misuse of research to make profit by competing companies
  4. D.To make clinical trials more acceptable to the public
  5. E.None of these
14
‘Gram’ is relatd to ‘Mass’ in the same way as ‘Centimetre’ is related to
  1. A.Area
  2. B.Volume
  3. C.Length
  4. D.Sound
  5. E.Energy
15
'Mustard' is related to 'Seed' in the same way as 'Carrot' is related to
  1. A.Fruit
  2. B.Stem
  3. C.Flower
  4. D.Root
  5. E.None of these
16
Which of the following pairs of words have the same relationship as Fan : Heat?
  1. A.Water        :           Drink
  2. B.Light         :        Night
  3. C.Teach       :      Student
  4. D.Air             :        Breathe
  5. E.Food         :        Hunger
17
'Radish' is related to 'Root', in the same way as 'Brinjal' is related to
  1. A.Fruit
  2. B.Stem
  3. C.Flower
  4. D.Root
  5. E.None of these
18
'Jackal' is related to 'Carnivorous', in the same way as 'Goat' is related to
  1. A.Omnivorous
  2. B.Carnivorous
  3. C.Herbivorous
  4. D.Multivorous
  5. E.None of these
19
Which of the following pairs has similar relationship as Run : Race?
  1. A.Party : Dance
  2. B.Study : Book
  3. C.Lecture : Study
  4. D.Enjoy : Journey
  5. E.None of these
20
Which of the following has same relationship as that of Money : Wealth?
  1. A.Pity : Kindness
  2. B.Cruel : Anger
  3. C.Wise : Education
  4. D.Pride : Humility
  5. E.None of these
21
Which of the following is related to ‘Melody’, in the same way as ‘Delicious’ is related to 'Taste'?
  1. A.Memory
  2. B.Highness
  3. C.Tongue
  4. D.Speak
  5. E.Voice
22
Offhand’ is related to ‘Premeditation’ in the same way as ‘Above board’ is related to
  1. A.Integrity
  2. B.Honesty
  3. C.Guide
  4. D.Competition
  5. E.None of these
23
The cash difference between the selling prices of an article at a profit of 4% and 6% is Rs. 3. The ratio of the two selling prices is:__________ ?
  1. A.51:52
  2. B.52:53
  3. C.51:53
  4. D.52:55
24
Which of the following numbers is irrational ?
  1. A.√49
  2. B.0.125
  3. C.√2
  4. D.22/7
25
356 x 936 – 356 x 836 = ?
  1. A.35600  
  2. B.34500
  3. C.9630
  4. D.93600
26
Arrange in descending order: 5/8, 7/10, 3/4
  1. A.3/4 > 7/10 > 5/8
  2. B.7/10 > 3/4 > 5/8
  3. C.3/4 > 5/8 > 7/10
  4. D.5/8 > 7/10 > 3/4
27
What is (3^{4} times 9^{2}) ?
  1. A.36
  2. B.38
  3. C.310
  4. D.96
     
28
If 34X-2 = 729, then find the value of X.
  1. A.4     
  2. B.3
  3. C.2 
  4. D.5
29
Convert 0.6 into fraction ?
  1. A.3/5
  2. B.2/3
  3. C.4/5
30
The no. plate of a bus had peculiarity. The bus number was a perfect square. It was also a perfect square when the plate numbers were reversed. The bus company had only five hundred buses numbered from 1 to 500. What was the number ?
  1. A.169  
  2. B.36
  3. C.196 
  4. D.Can not say
31
If a and b are positive integers, such that ab = 125, then (a-b)a+b-4 = ?
  1. A.16   
  2. B.25
  3. C.28  
  4. D.30
32
If x*y = x2 + y2 – xy, then value of 9*11 is
  1. A.93     
  2. B.103
  3. C.60.5
  4. D.121
33
Which country surpassed Japan to become the world's largest creditor nation after 34 years?
  1. A.China
  2. B.Germany
  3. C.United States
  4. D.Switzerland
34
The Perito Moreno Glacier, recently in the news, is located in which country?
  1. A.Chile
  2. B.Argentina
  3. C.Peru
  4. D.Ecuador
35
Which state in India mandated weekly ethics classes based on Thirukkural for students from Classes VI to XII?
  1. A.Kerala
  2. B.Tamil Nadu
  3. C.Karnataka
  4. D.Andhra Pradesh
36
Who became the first New Zealander to reach space after flying on the Blue Origin NS-32 suborbital spaceflight?
  1. A.Peter Beck
  2. B.Mark Rocket
  3. C.Richard Pearse
  4. D.William Pickering
37
Which Indian state celebrated the annual School Praveshanolsavam on June 2, 2025?
  1. A.Tamil Nadu
  2. B.Kerala
  3. C.Karnataka
  4. D.Maharashtra
38
Which country observed Republic Day on June 2, 2025, commemorating the 1946 referendum that led to the establishment of the republic?
  1. A.France
  2. B.Germany
  3. C.Italy
  4. D.Spain
39
What is the name of the transgender teen athlete who won track events in California amid federal threats to cut state funding over trans-inclusive sports policies?
  1. A.Alex Morgan
  2. B.AB Hernandez
  3. C.Jamie Lee
  4. D.Taylor Smith
40
Which department in the U.S. instructed its medical personnel to seek clearance from political appointees before publishing or speaking publicly, following a critical journal article?
  1. A.Department of Health and Human Services
  2. B.Department of Veterans Affairs
  3. C.Department of Defense
  4. D.Department of Education
41
Which country is set to adopt the euro, with the European Commission deciding on its readiness?
  1. A.Romania
  2. B.Bulgaria
  3. C.Croatia
  4. D.Hungary
42
Which major tech company is expected to launch the highly anticipated Switch 2 console, projected to sell 15 million units this fiscal year?
  1. A.Sony
  2. B.Microsoft
  3. C.Nintendo
  4. D.Sega
Question for NIELIT Scientist B & Scientific Technical Assistant 2026 - Quiz / Questions / MCQ - Toppersexam