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Question Bank

Question for TRB TN Computer Instructor - Quiz / Questions / MCQ in English

Last Update on : October 10, 2026

Duration: 180 · Questions: 150 · Max Marks: 150

View TRB TN Computer Instructor Grade-I 2026 Exam Page

To boost your performance in TRB TN Computer Instructor exam, practice each question regularly and with focus. Every question tests your subject understanding, so solve them one at a time. Taking a quiz improves your speed and accuracy. Practicing topic-wise MCQs. Students benefit greatly from reviewing questions with answer keys, which help clarify concepts and strengthen Questions knowledge for success in TRB TN Computer Instructor exams.

Latest TRB TN Computer Instructor Exam Question (Objective Questions), MCQ in English

Subjects : Computer Science, General Knowledge, Education Psychology

Question Bank TRB TN Computer Instructor Grade I Exam - English

Computer Science

Q 1 :
When two number are added in excess-3 code and the sum is less than 9 , then in order to get the correct answer it is necessary to
  1. A.subtract 0011 from the sum
  2. B.add 0011 to the sum
  3. C.subtract 0110 from the sum
  4. D.add 0110 to the sum
Q 2 :
The characteristic equation of an SR filp-flop is given by
  1. A.Qn+1 = S+RQn          
  2. B.Qn+1 = S n+   Qn 
  3. C.Qn+1 = â€‹ + RQn  
  4. D.Qn+1 = S+ Qn 
Q 3 :
A graph with n vertices and n-1 edges that is not a tree , is
  1. A.Connected 
  2. B.disconnected
  3. C.Euler  
  4. D.A circuit
Q 4 :
Networks that use different technologies can be connected by using
  1. A.Packets
  2. B.Switches
  3. C.Bridges
  4. D.Routers
Q 5 :
A read bit can be read
  1. A.and written by CPU
  2. B.and written by peripheral
  3. C.by peripheral and written by CPU
  4. D.by CPU and written by the peripheral
Q 6 :
The term ‘aging’ refers to
  1. A.booting up the priority of the process in multi-level of queue without  feedback  .
  2. B.gradually increasing the priority of job that wait in the system for a long  time to remedy infinite booking .
  3. C.keeping track of the following a page has been in memory for the purpose of LRU replacement .
  4. D.letting jobs reside in memory for a certain amount of time so that the no pages required can be estimated accurately
Q 7 :
Consider a set of n tasks with known runtimes r1 ,r2………….. rn  To be run on a uni processor machine . Which of the following processer scheduling algorithms will result in the maximum throughput ?
  1. A.Round Robin
  2. B.Shortest job first
  3. C.Highest response ratio first
  4. D.First come first served
Q 8 :
Consider a job scheduling program with 4 jobs J1 , J2, J3 and J4  With corresponding deadlines : (d1 , d2 , d3 , d4) = (4, 2, 4, 2). Which of the following is not a feasible schedule without violating any job schedule?
  1. A.J2, J4, J1, J3       
  2. B.J4, J1, J2, J3
  3. C.J4, J2, J1, J3   
  4. D.J4, J2, J3, J1
Q 9 :
By using a eight bit optical encoder the degree of resolution that can be obtained is (approximately)
  1. A.1.8o       
  2. B.3.4 o
  3. C.2.8 o   
  4. D.1.4 o
Q 10 :
The principal of the locality of reference justifies the use of
  1. A.virtual memory            
  2. B.interrupts
  3. C.main memory    
  4. D.cache memory
Q 11 :
Consider the following pseudo-code
x ; = 1;
I ; = 1;
While (x,=1000) begin
x ; =2x;
i ; = i+1;end;
what is the value of I at the end of the pseudo-code
  1. A.4        
  2. B.5  
  3. C.6             
  4. D.7
Q 12 :
The five items : A, B, C, D and E are pushed in  stack, one after other starting from A. The stack is popped four items and each element is inserted in a queue . The two element are deleted from the queue and pushed back on the stack, Now one item is popped from the stack . The popped item is
  1. A.A         
  2. B.B           
  3. C.C  
  4. D.D
Q 13 :
Round Robin schedule is essentially the pre-emptive version of
  1. A.FIFO
  2. B.Shortest job first
  3. C.Shortest remaining time
  4. D.Longest remaining time
Q 14 :
The number of digit 1 present in the binary representative of 3 x 512 + 7 x 6 + 5 x 8 + 3 ? is
  1. A.8      
  2. B.9     
  3. C.10          
  4. D.12
Q 15 :
Assume that each character code consists of 8 bits. The number of characters that can be transmitted per second through an synchronous serial line at 2400 baud rate, and with two stop bits is
  1. A.109      
  2. B.216          
  3. C.218           
  4. D.219
Q 16 :
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          
Q 17 :
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++  
Q 18 :
______ is the process of finding errors in software code.
  1. A.Compiling
  2. B.Testing
  3. C.Running
  4. D.Debugging
Q 19 :
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
Q 20 :
A program is a sequence of ___________ written in a programming language.
  1. A.Lines
  2. B.Function
  3. C.Instructions
  4. D.Code words    
Q 21 :
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
Q 22 :
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
Q 23 :
The symbols used in an assembly language are
  1. A.Codes
  2. B.Mnemonics
  3. C.Assembler
  4. D.All of the above      
Q 24 :
Which is a non-standard version of a computing language ?
  1. A.PROLOG
  2. B.APL
  3. C.Army
  4. D.PL/1
Q 25 :
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      
Q 26 :
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       
Q 27 :
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    
Q 28 :
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
Q 29 :
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
Q 30 :
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     
Q 31 :
Programming language which is extension of programming language 'BASIC' is
  1. A.PASCAL
  2. B.COBOL
  3. C.LOGO
  4. D.COMAL   
Q 32 :
Program subroutines are
  1. A.called by other programs
  2. B.fixed variable
  3. C.default constants
  4. D.default variables     
Q 33 :
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  
Q 34 :
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  
Q 35 :
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
Q 36 :
______ 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
Q 37 :
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
Q 38 :
_______ 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
Q 39 :
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
Q 40 :
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
Q 41 :
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
Q 42 :
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
Q 43 :
_______ 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
Q 44 :
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   
Q 45 :
A linked list a linear collection of similar data elements called ______ .
  1. A.Subscript
  2. B.Index
  3. C.Nodes
  4. D.Null
Q 46 :
______ 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
Q 47 :
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
Q 48 :
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
Q 49 :
Which of the following is language processor ?
  1. A.Interpreter
  2. B. Assembler
  3. C.Compiler
  4. D.All of the above
Q 50 :
________ converts an assembly language program into machine language .
  1. A.Assembler     
  2. B.Compiler
  3. C.Interpreter
  4. D.All of the above 

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