Hey Guys Welcome to CSE Study247 , Today I am provide you 1000+ Computer Science MCQs
Most Important Computer Questions Asked in Previous years competitive exams. Useful for DRDO CEPTAM, ISRO, COPA, CCC, O level, Bank, MTS, Railway, Data Entry Operator, PWD, PHED, Hindustan Aeronautics Ltd., Air India, NTPC, BHEL, GAIL, PGCIL, MTS, SSC, CGL, CHSL,KVS and all other computer exams.
Table of Contents
About Computer Science
Computer Science and Engineering (CSE) is a field of study that deals with the design, development, and maintenance of computer systems and their applications. It combines principles from computer science, electrical engineering, and information technology to create and implement software, hardware, and network systems that solve problems and meet the needs of businesses and organizations.
Computer Science and Engineering professionals design and develop software applications, analyze and design algorithms, and design and build computer systems and networks. They may also be involved in the maintenance and testing of these systems to ensure their reliability and efficiency.
CSE professionals work in a variety of industries, including computer hardware and software development, consulting, finance, healthcare, and more. They may work as software engineers, computer scientists, network architects, or IT professionals, among other roles.
In order to study CSE, students typically complete a bachelor’s degree program in computer science or a related field. This program typically includes coursework in topics such as programming, data structures, computer architecture, and computer systems design. Some programs may also include internships or experiential learning opportunities, which can provide valuable hands-on experience and help students develop the skills and knowledge they need to succeed in the field.
Q.1 Microsoft 10 was launched in the year DRDO GTRE 2017
ANSWER= (D) 2015
Q.2 Find out the output for the following program
void main()
{
float a =65.2;
printf(“Hi”,a);
}
ANSWER= (A) Hi
Q.3 The simplest function,which does nothing and returns nothing , can be written as ?
ANSWER= (D) Simplest() {}
Q.4 Which of the following performs modulation and demodulation ?
ANSWER= (C) Modern
Q.5 The result of the arithmetics expression 34*56+ is
ANSWER= (D) 42
Q.6 Which of the following is true for testing and debugging? DRDO CVRDE 2017
ANSWER= (B) Testing checks for logical errors in the programs, while debugging is a process of correcting those errors in the
program.
Q.7 An organization has a class B network and wishes to form subnets for 64 departments.The subnet mask would be ?
RRB JEE(2019) Junior Engineer CBT-2
ANSWER= (D) 255.255.252.0
Q.8 Which of the following is not a language processor
ANSWER= (D) Bootstrap
Q.9 A Circuit which is construct from two separate filp-flop circuits,one serves as a master and the other as a slave is called ?
ANSWER= (C) Master slave filp-flop
Q.10 Contents of A plus B transferred to A can be written as
ANSWER= (A) A <- A+B
Q.11 Digital signature provides ?
ANSWER= (A) Authentication
Q.12 —- Operates in the transport mode –
ANSWER= (A) IPsec
Q.13 On security protocol for the email system is
ANSWER= (C) PGP
Q.14 A —Network is used inside an organisation
ANSWER= (A) Privite
Q.15 — Provide security at the transport layer.
ANSWER= (D) Both a & b
Q.16 Which of the following computer is mainly related to convert analog output into digital form ?
UPSSSC 2016
ANSWER= (A) Hybrid computer
Q.17 First computer mouse was built by
SSC CGL 2018,RRB NTPC 2016
ANSWER= (A) Douglas Engelbart
Q.18 Which of the faster storage medium
ANSWER= (A) CPU internal registers
Q.19 Convey effect occur in
ANSWER= (C) FCFS Scheduling
Q.20 Find out the output for the following program
Q.21 Computer systems that store instructions and data without any differences and data from the same memory unit are based on _____ structure
DRDO CVRDE 2017
ANSWER= (C) Von-Neumann
Q.22 Routing between autonamous system is referred to as
ANSWER= (B) intradomain routing
Q.23 The digit 0 with carry of 1 is the sum of binary addition ?
ANSWER= (A) 1+1
Q.24 (30) base 10 in binary system is
ANSWER= (A) 100111
Q.25 In the screen is maximized, then the maximize button will be temporarily replaced by the ——- button DRDO
GTRE 2017
ANSWER= (C) Re-store
Q.26 For purpose of routing,the internet is divided into –
ANSWER= (C) autonomous systems
Q.27 — Deals with the issues of creating and maintaining routing tables
ANSWER= (B) Routing
Q.28 When a primary key is defined in the table DBMS automatically creates a ———-on a
primary key column ?
ANSWER= (A) Unique Index
Q.29 Which among the following is not a mobile operating system ? IBPS PO 2016
ANSWER= (B) Safari
Q.30 The DOS Command which cannot be executed with version 1 and 2 is RBI Grade B 2014,RBI Grade B 2013
ANSWER= (C) LABEL
Q.31 Which normal form is the particular dependency removed?
ANSWER=(B)Second
Q.32 A display of 3-Dimensional that shows all of its edges is known as ?
ANSWER=(A) Wire frame
Q.33 A grammer is ambiguous if there exists :
ANSWER= (A) More than one parse tree
Q.34 A compiler is a —— software
ANSWER= (B) System
Q.35 In programming , repeating some statements is usually called ? SSC CGL 2013
ANSWER= (A) looping
Q.36 Who invented the modem ?
ANSWER= (B) AT & T information system ,USA
Q.37 Which is major data structure used in RDBMS?
ANSWER=(A)Array
Q.38 The view of total database content is:
ANSWER=(A) Conceptual view
Q.39 Which is not aggregate function?
ANSWER=(C) Create
Q.40 The purpose of DISKCOPY Command is to ? RBI Grade B 2014
ANSWER=(D) All of these
Q.41 Form what location are 1st computer instructions available on boot up
ANSWER= (A) ROM BIOS
Q.42 Missing slot covers on a computer can cause
ANSWER= (A) Over heat
Q.43 Which motherboard from factor uses 120 pin connector
ANSWER= (A) ATX
Q.44 in DOS , The DIR Commant is used to SSC CGL 2013
ANSWER= (A) ATX
Q.45 A Hard disk is divided into tracks which are further subdivided into
ANSWER= (B) Sectors
Q.46 Which of the following is not OOPS concept in java
ANSWER= (D) Compilation
Q.47 Which of these keywords is used to make a class
ANSWER= (A) Class
Q.48 Which of the following are machine level languages? ISRO Satelite Centre Bengaluru
ANSWER= (D) None
Q.49 Which of the following function(s) is/are provided by operating system? RRB Ranchi Asst. Loco Pilot
ANSWER= (D) All of these
Q.50 Find out the output for the following program
printf(“%f”,9/5);
prints
ANSWER= (C) 2.0
Q.51 How many layers are there in TCP/IP Model? Indian Ordnance Factory
ANSWER= (B) 4
Q.52 Which one of the following uses UDP as the transport protocol ? RRB JE
ANSWER= (B) DNS
Q.53 What is the complexity to delete a given key value node from a sorted linked list
ANSWER= (C) O(n)
Q.54 What is the complexity to remove a node from last and to insert it at the strating of a singly linked list ? VVI For GATE CSE
ANSWER= (C) O(n)
Q.55 What is the number of edges present in a complete graph having n vertices?
ANSWER= (B) (n*(n-1))/2
Q.56 A connected planer graph having 6 vertices 7 edge contains ——–regions.
ANSWER= (B) 3
Q.57 Which of the following register pairs can be directly stored in memory ?
ANSWER= (B) HI
Q.58 In 8085 micro processor , how many lines are there in address bus ?
ANSWER= (D) 16
Q.59 Program that duplicate the functionality of one system on another system is known as RRB Chandigarh Asst. loco pilot
ANSWER= (A) Emulators
Q.60 Output of the assemble in machine code is referred to as ?
ANSWER= (C) Source program
Q.61 Which type of waves generate Fiber optic Cable
ANSWER= (A) Infrared Waves
Q.62 Micro Waves Introduced In
ANSWER= (B) 1946
Q.63 Which of the following is an application protocol? RRB Ahamadabad Asst. Loco Pilot
ANSWER= (D) HTTP
Q.64 A file is often referred to as a ? RRB Grade B 2012
ANSWER= (B) Document
Q.65 Which of the following are lists of commands that appear on the screen ? IBPS Clerk 2015
ANSWER= (B) Menus
Q.66 Speed of internet connction is measured in —-? KVS 2018
ANSWER= (C) Gbps
Q.67 The addressing mode used in an instruction of the from ADD X,Y is:
ANSWER= (D) Index
Q.68 The refreshing rate of dynamic RAM is in the range of
ANSWER= (A) 2 micro seconds
Q.69 Computer can be run manullay by the means of the
ANSWER= (D) computer control
Q.70 File with —extension stores —- and files with —– extension stores ——– ? KVS 2018
ANSWER= (C) bmp,sound,mp3,song
Q.71 Which of the following represents the life-cycle of software development?
Q.74 The electromagnetic waves ranging in frequencies between 3KHz and 1GHz are called ?
ANSWER= (D) Radio Waves
Q.75 Third generation of computers was witnessed in the years from— UPSSSC 2018
ANSWER= (B) 1963-1972
Q.76 Super High Frequency(SHF) is used in ?
ANSWER= (C) Satellite communication
Q.77 Truth table is used to express
ANSWER= (B) Boolean expression
Q.78 FAQ Stands for KVS 2018
ANSWER= (B) Frequently asked questions
Q.79 India’s faster and first multi-petaflops supercomputer named pratyush was unveiled at ? SSC CGL 2017
ANSWER= (C) Indian institute of Tropical Meteorology ,Pune
Q.80 LEDs are usually switched ON and OFF by
ANSWER= (A) Diode in the circuit
Q.81 Which function is used to release the
memory allotted in dynamic memory
allocation ?
ANSWER= (B) Free ( )
Q.82 Which of the following can not be
checked in a switch case statement ?
ANSWER= (C) Float
Q.83 Which of the statement we need to write,
in order to check any condition.
ANSWER= (A) If
Q.84 Find out the output for the following program
main()
{
int x=2,y=3;
printf(“%d%d”);
}
ANSWER= (C) Compilation error
Q.85 Member of union use :
ANSWER= (B) Same storage location
Q.86 How would you round off a value from 1.66 to
2.0 ?
ANSWER= (A) ceil(1.66)
Q.87 The keyword used to transfer control from a
function back to the calling function is
ANSWER= (D) return
Q.88 Which of the following is a Loop statement of
a C language ?
ANSWER= (D) Both (b) and (c)
Q.89 What function can be used for calculating
square root of a number ?
ANSWER= (C) sqrt( )
Q.90 Int a [5] = {1, 2, 3} what is the value of a[4] ?
ANSWER= (C) Garbage value
Q.92 The top most row of keys on the standard keyboard contains———-keys,and the longest key on the keyboard is ——- KVS 2018
ANSWER= (C) Function,space bar
Q.91 A Simple filp-flop
ANSWER= (B) is 1 bit memory
Q.93 What is the length of an IP address in bytes (pre-IPv6)? DRDO GTRE 2017
ANSWER= (C) 4
Q.94 A person who ues his expertise for software ? IBPS RRB PO 2018
ANSWER= (B) Hacker
Q.95 Which of the following enabled to determine hoow often a user visited a website ? IBPS Clerk 2014
ANSWER= (B) Hacker
Q.96 Which of the following operator can be used to
access value at address stored in a pointer
variable ?
ANSWER= (C) *
Q.97 Which scanf( ) statement will you see to scan a
float value (a) and double value (b) ? float a;
double b;
ANSWER= (A) Scanf(“%f %lf” , &a, &b)
Q.98 The keyword used to represent a structure data
type is ?
ANSWER= (B) Struct
Q.99 Directives are translated by the
ANSWER= (A) Pre-processor
Q.100 Union is ……….. ?
ANSWER= (A) A special type of structure
Q.101 The term “internet of things was first used by UGC 2021
ANSWER= (C) Kevin Aston
Q.102 Which one of the following is the IEEE standard for Wimax? UGC/NET 2020
ANSWER= (D) IEEE 802.16
Q.103 In data transfer process, which of the following is used for strengthening the signals UGC/NET 2020
ANSWER= (D) Repeater
Q.104 The expression n=n+2 can also be written as ?
ANSWER= (C) n+=2
Q.105 Computers whcih offer information are called — and those which seek information are called ? KVS 2018
ANSWER= (D) Servers,Clients
Q.106 Which layer of the OSI Model is mostly concerned with the syntax of the data? UGC/NET 2020
ANSWER= (B) Presentation layer
Q.107 The size of any block in the UNIX File system is
ANSWER= (D) Any of the above
Q.108 A cycle is the
ANSWER= (C) Intermediate part of the instruction cycle
Q.109 The mnemonics used in writing a program is called ?
ANSWER= (A) Assembly language
Q.110 Which of the following devices is used to connect different network segments and manage the traffic between UGC/NET 2020
ANSWER= (C) Bridge
Q.111 Who is the father of WWW ?
ANSWER= (B) Tim Berners-Lee
Q.112 A Common LED is made up of DRDO 2008
ANSWER= (B) Direct Semiconductor
Q.113 Which of the following program is not a utility? DRDO GTRE 2017
ANSWER= (C) Spooler
Q.114 What is an embedded system? IOB PO 2011
ANSWER= (D) A computer and software system that controls a machine or appliance
Q.115 Which of the following operations are not carried out by kernal ?
ANSWER= (C) Acting as on interpreter between H/W and applications
Q.116 Which organisation developed a SAGA-220 super computer in 2011?
ANSWER= (A) ISRO
Q.117 Which of the following items is not used in Local Area Networks (LAN)
ANSWER= (B) Modem
Q.118 Communication between computer is almost always
ANSWER= (B) Serial
Q.119 Which of the following is not a trabsmission medium ?
ANSWER= (B) Modem
Q.120 Which was the world’s first mini computer?
ANSWER= (A) PDP-I
Q.121 Which of the following is the smallest computer? SBI Clerk 2011
ANSWER= (A) Notebook
Q.122 Which of the following is applicative language ?
ANSWER= (A) LAMBDA
Q.123 As compared to natural languages like English or Tamil,Hindi most of the programming language are easier to ?
ANSWER= (B) Learn
Q.124 In which generation did multi-programming start? SBI Clerk 2010
ANSWER= (C) Third generation
Q.125 A system whose overall purpose is to record and maintain information on a computer is called ?
ANSWER= (B) Database system
Q.126 When several user access the database at the same time ,it is said to be ?
ANSWER= (B) Concurrent sharing
Q.127 The signal in the above question transmits
ANSWER= (C) 00110
Q.128 Which of the following is not a hybrid topology ?
ANSWER= (A) Star
Q.129 In second generation, which type of memory was used to store data? IBPS RRB 2011
ANSWER= (B) Magnetic core
Q.130 The first electronic digital computer contained? SBI PO 2008
ANSWER= (C) Electronic valves
Q.131 Now do you initialize an array in c ?
ANSWER= (c) int arr[3]={1,2,3};
Q.132 Which of the following concepts make extensive use use of arrays?
ANSWER= (A) Spatial locality
Q.33 What is the order of a matrix?
A) number of rows x number of columns B) number of columns x number of row C) number of rows x number of rows D) number of of columns x number of columns
ANSWER= (A) number of rows x number of columns
Q.134 What do you mean by Jacquard loom? SBI PO 2011
A) A bird found in Japan B) A weaving machine used punched cards
C) The first computer controlled loom
D) None
ANSWER= (B) A weaving machine used punched cards
Q.135 Pascaline is also known as BOB Assistant 2009
A) mechanical machine B) division machine
C) adding machine
D) None
ANSWER= (C) adding machine
Q.136 Computer gathers data, which means that they allow users to ____ data Bank Clerk 2010
A) input B) store
C) output
D) present
ANSWER= (A) input
Q.137 Which of the following medium cannot be used for star or bus topology ?
A) Twisted pair cable B) Coaxial Cable
C) Optical Fibre
D) None
ANSWER= (C) Optical Fibre
Q.138 Which converter has a binary input ?
A) A/D B) D/A
C) Both A & B
D) None
ANSWER= (B) D/A
Q.139 Out of LCD and LED which display consume the least power ?
A) LCD B) LED
C) Both Same power
D) None
ANSWER= (A) LCD
Q.140 Computer derives its name from the word———–which means calculation. Bank Clerk 2008
A) Computare B) Calcite
C) Calculator
D) None
ANSWER= (A) Computare
Q.141 A software used to convert convert source program instructions to object instruction is known as
A) compiler B) assembler
C) Interpreter
D) Language processor
ANSWER= (D) Language processor
Q.142 Gate whose output is 0 only when inputs are different is called ? IBPS PO Mains 2017
A) XOR B) XNOR
C) NOR
D) NAND
ANSWER= (A) XOR
Q.143 The most widely used code that represents each character as a unique 8-bit code is UPSSSC 2017
A) ASCII B) UNICDIC
C) BCD
D) None
ANSWER= (A) ASCII
Q.144 Process of inserating an element in stack is called
A) Push B) Create C) Evalutation D) Pop
ANSWER= (A) Push
Q.145 The data structure required to check whether an expression contains balanced parenthesis is ?
A) Stack B) Queue C) Array D) Tree
ANSWER= (A) Stack
Q.146 Which data structure is needed to convert infix notaion to postfix notation?
A) Branch B) Queue C) Stack D) Tree
ANSWER= (c) Stack
Q.147 A linear collection of data elements where the linear node is given by means of pointer is called ?
A) Linked List B) Node List C) Primitive list D) None of the mentioned
ANSWER= (A) Linked List
Q.148 Ethernet, token ring and token bus are types of [SBI Associates 2012
A) WAN B) LAN C) Communication channels D) None
ANSWER= (B) LAN
Q.149 What do we call a network whose elements may be separated by some distance? It usually involves two or
more network and dedicated high speed telephone lines. [SBI Clerk 2015
A) WAN B) LAN C) Communication channels D) Server
ANSWER= (B) LAN
Q.150 A linear list of elements in which deletion can be done from one end (front) and insertion can take place only at the other end (rear) is known as a ?
A) Linked List B) Stack C) Tree D) Queue
ANSWER= (D) Queue
Q.151 ALU uses ——— to store the intermediate result.
A) Accumulators B) Registers
C) Heap D) Stack
ANSWER= (A) Accumulators
Q.152 Which of the following is the most common shared resource in a computer network?
A) Keyboard B) Mouse
C) Combo drive D) Printer
ANSWER= (D) Printer
Q.153 The bus used to connect the monitor to the CPU is
A) PCI bus B) SCSI bus
C) Memory bus D) None
ANSWER= (B) SCSI bus
Q.154 RTN stands for
A) Register Transfer Notation B) Register Transmission Notation
C) Regular Transmission Notation D) Regular Transfer Notation
ANSWER= (A) Register Transfer Notation
Q.155 The IP address _____ is used by hosts when they are being booted. UGC NET 2017
A) 0.0.0.0 B) 1.0.0.0
C) 1.1.1.1 D) 255.255.255.255
ANSWER= (A) 0.0.0.0
Q.156 In distributed system, the capacity of a system to adapt the increased service load is called UGC NET 2017
A) Tolerance B) Scalability
C) Capability D) Loading
ANSWER= (B) Scalability
Q.157 do not take their decisions on measurements or estimates of the current traffic and topology. UGC NET 2017
A) Static algorithm B) Adaptive algorithm
C) Non-adaptive algorithm
D) Recursive algorithm
ANSWER= (C) Non-adaptive algorithm
Q.158 Which data type is such to represent the absence of parameter
A) int B) short C) void D) float
ANSWER= (C) void
Q.159 In c++ what is the sign of character type by defult?
A) singed B) Unsigned C) implementation dependent D) None of the above
ANSWER= (B) implementation dependent
Q.160 The size of an object or a type can be determined using which operator?
A) malloc B) size of C) alloc D) calloc
ANSWER= (B) size of
Q.161 An advantages of the database approach is
A) Elimination of the data redundancy B) Ability to associate related data C) Increases security D) All of these
ANSWER= (D) All of these
Q.162 A network structure
A) Is a physical representation of the data B) Allows a many to many relationship C) Is concepturally simple D) Will be the domainant database of the future
ANSWER= (B) Allows a many to many relationship
Q.163 Which software browse the internet in a systematic manner? CBSE 2013
A) Web crawler B) Web browser C) Indexing software D) Search algorithm
ANSWER= (A) Web crawler
Q.164 Which of the following statements about search engine is true? CBSE 2011
A) Search engines distinguish between appropriate and inappropriate sites. B) Search engines have fixed hours of use. C) Search engines do not provide relevant information.
D) Search engine is a program designed to search for information on the web using keywords
ANSWER= (D) Search engine is a program designed to search for information on the web using keywords
Q.165 Which one of the following is Rich Text e-mail? CBSE 2011
A) Message that only includes text B) Message that supports text formatting, such as bold, italic, font etc.
C) Message that supports use of hyperlinks and images
D) None
ANSWER= (B) Message that supports text formatting, such as bold, italic, font etc.
Q.166 BCC stands for CBSE 2014
A) Blind carbon copy
B) ) Basic carbon copy
C) Basic client copy
D) Blind client copy
ANSWER= (A) Blind carbon copy
Q.167 Which of the following will not return a value?
A) null B) void C) empty D) free
ANSWER= (B) void
Q.168 In which type does enumerators are stored by the compiler?
A) string B) integer C) float D) none of the above
ANSWER= (B) integer
Q.169 The constants are called as?
A) const B) preprocessor C) literals D) none of the above
ANSWER= (c) literals
Q.170 The relational model uses some unfamiliar terminology.A tuple is a equivalent to ?
A) Record B) Field C) Database D) File
ANSWER= (A) Record
Q.171 What is the shortcut key for replace a word in a paragraph?
A) Shift + P B) Alt + P C) Ctrl + F D) Ctrl + Shift + P
ANSWER= (C) Ctrl + F
Q.172 The world’s first truly cross-platform programming language is called:
A) C++ B) Java C) Visual Basic.NET D) Smalltalk
ANSWER= (B) Java
Q.173 Fastest memory cell is ? UPRVUNL JE Control & Instrumentation 2015
A) Bubble memory B) Semiconductor RAM C) Semiconductor Memory D) Superconductor Memory
ANSWER= (C) Semiconductor Memory
Q.174 The number of bits needed to address 4k memory is UPRVUNL JE Control & Instrumentation 2015
A) 6 B) 8 C) 12 D) 16
ANSWER= (C) 12
Q.175 The number of address lines in a 8 bit 4K ROM is: BSNL (JTO) 2001
A) 6 B) 8 C) 12 D) 16
ANSWER= (C) 12
Q.176 Which of the following is not a type of printer ? KVS 2018
A) 3-d B) inkject C) Landscape D) Laserjet
ANSWER= (C) Landscape
Q.177 Email-addresses in ——– field are visible to all recipients. Email addresses in —— field are visible to only the recipient. KVS 2018
A) To and Bcc. Cc B) To and Cc, Bcc C) Bcc, To D) Cc and Bcc, To
ANSWER= (B) To and Cc, Bcc
Q.178 An antivirus program is designed to ——– computer virus. KVS 2018
A) scan device and identify B) scan device, identify and eliminate C) scan device and eliminate D) identify and eliminate
ANSWER= (B) scan device, identify and eliminate
Q.179 The data element in structure are also known as what?
A) objects B) member C) data D) none of the above
ANSWER= (B) member
Q.180 What is this operator called ?
A) conditional B) Relational C) Casting operator D) none of the above
ANSWER= (A) conditional
Q.181 The basic memory cell in a DRAM is a Uttarakhand JE Electrical (Paper-1) 2013
A) MOSFET B) Capacitor C) Capacitor and a MOS switch D) Flip-Flop
ANSWER= (C) Capacitor and a MOS switch
Q.182 How many type of comments are there in c++ ?
A) 1 B) 2 C) 3 D) 4
ANSWER= (B) 2
Q.183 Where does the execution of the program starts ?
A) user define function B) main function C) void function D) None of the above
ANSWER= (B) main function
Q.184 How many minimum number of functions are need to be presented in c++
A) 0 B) 1 C) 2 D) 3
ANSWER= (B) 1
Q.185 In microprocessor based system DMA refers to Noida Metro Electronic JE 2017
A) Direct memory access for the user B) Direct memory access for the microprocessor C) Direct memory access for the microprocessor and user D) Direct memory access for the i/o devices
ANSWER= (D) Direct memory access for the i/o devices
Q.186 Which of the following is high level language ?
A) COBOL Language B) Machine Language
C) Assembly Language D) All of these
ANSWER= (A) COBOL Language
Q.187 Direct numerical control machines do not use ?
A) CPU B) Software
C) Punched tape D) All of these
ANSWER= (C) Punched tape
Q.188 Which item best describes a CAM Technology ?
A) Numerical control B) Documentation
C) Drafting D) All of these
ANSWER= (A) Numerical control
Q.189 Alignment buttons are available on the RRB Chandigarh Section Eng. (Civil) 2012
A) Status bar B) Formatting toolbar
C) Standard toolbar D) None of these
ANSWER= (B) Formatting toolbar
Q.190 Now ——- is the owner of Mobile operating system “Android RRB Chandigarh Asst. Loco Pilot 2008
A) Samsung B) Google
C) Yahoo D) Amazon
ANSWER= (B) Google
191.In which of the following we cannot overload the function?
A) return function B) caller C) called function D) None of the above
ANSWER= (A) return function
192.When our function need to return anything means what will we use/send as parameter in function
A) void B) blank space C) both A,B D) None of the above
ANSWER= (A) blank space
14.What does your class can hold
A) data B) functions C) both A,B D) None of the above
ANSWER= (C) both A,B
194.The primary objective of a time-sharing operating system is to RRB JE 2015
A) Avoid thrashing B) Provide fast response to each user of the computer C) Provide fast execution of processes
D) Optimize computer memory usage
ANSWER= (B) Provide fast response to each user of the computer
195 Vector and ——-scanning are currently the two available types of automatic digitizing
A) Raster B) Light pen C) Electromagnetic
D) None
ANSWER= (A) Raster
Q.196 COBOL is mainly used for ?
A) Teching of use of computers B) Business data processing C) Interactive purpose
D) General purpose programming language
ANSWER= (B) Business data processing
Q.197 The use of transistors in computers stared in the decade commencing ?
A) 1940 B) 1945 C) 1950
D) 1960
ANSWER= (C) 1950
Q.198 Which of the following is not a part of the office suite? LMRC J.E. 2015
A) Database B) Image editor C) File manager
D) Word Processor
ANSWER= (C) File managerC) File manager
199.Where does the object is created?
A) class B) constructor C) Destructor D) Attributes
ANSWER= (A) class
200.In a computer disk scheduling involves deciding RRB J.E. 2014
A) Which disk should be accessed next B) The order in which disk access requests must be serviced C) The physical location where files should be accessed in the disk D) None
ANSWER= (B) The order in which disk access requests must be serviced
Q.201 Pick the other name of operation function?
A) function overloading B) operator overloading C) member overloading D) none of the above
ANSWER= (B) operator overloading
Q.202 The address to which a software or hardware restart is known as ?
A) Vector location B) SOD C) TRAP D) SID
ANSWER= (A) Vector location
Q.203 When alternative replace the throw statement?
A) for B) break C) return D) exit
ANSWER= (c) return
Q.204 Which of the following is a typical speed of a SATA hard drive?
A) 1000 Mbps B) 3.1 GHz C) 8 GB D) 7200 RPM
ANSWER= (D) 7200 RPM
Q.205 The printer connects to your computer with a——-?
A) DB25 parallel port B) 21 pin serial port C) USB port D) MIDI port
ANSWER= (A) DB25 parallel port
Q.206 ——– clicking on mouse selects the entire paragraph by default, while working with text document in MS word. RRB NTPC 2016
A) Alt + Single B) Single C) Double D) Triple
ANSWER= (D) Triple
Q.207 Processor’s speed of a computer is measured in SSC CGL, 2010
A) BPS B) MIPS C) Baud D) Hertz
ANSWER= (B) MIPS
Q.208 Who among the following introduced the world’s first laptop computer in the market? SSC CGL, 2014
A) Epson
B) Hewlett-Packard C) Microsof D) IBM
ANSWER= (A) Epson
Q.209 8085 has —- software restarts and —- hardware restarts RRB JE 2014
A) 10,4
B) 8,4 C) 7,5 D) 7,6
ANSWER= (B) 8,4
Q.210 Different types of modern digital computers come under which generation. IBPS clerk 2015
A) Fourth
B) Third C) Second D) Fifth
ANSWER= (D) Fifth
Q.211 Which company introduced the first desktop layer printer called LaserJet?
A) Compaq B) Hewlett-packard C) Epson D) Cannon
ANSWER= (B) Hewlett-packard
Q.212 Where is the derived class is drived from?
A) derived B) base C) both a,b D) None of the above
ANSWER= (B) base
Q.213 Which of the following in not there in motherboard?
A) System clock B) Buses C) Ports D) VDT
ANSWER= (D) VDT
Q.214 Which symbol is used to create multiple inheritance?
A) Dot B) comma C) dollar D) None of the above
ANSWER= (B) comma
Q.215 Which of the following is machine independent program? SBI Clerk 2015
A) High level language B) Low level language C) Assembly level language D) Machine language
ANSWER= (A) High level language
Q.216 Which header file is used to pass unknown nunber to argument to function?
A) stdio.h B) string.h C) stdarg.h D) None
ANSWER= (C) stdarg.h
Q.217 Which of the following printers produces noise?
A) DOT matrix printer B) Inkjet printer C) Laser printer D) None of these
ANSWER= (A) DOT matrix printer
(vi) BIOS stand for
A) Basic Input Output System B) Binary Input Output System C) Basic Input Off System D) All of the above
ANSWER= (A) Basic Input Output System
Q.219 An antivirus program is designed to ———– computer virus. KVS 2018
A) scan device and identify B) scan device, identify and eliminate C) scan device and eliminate D) identify and eliminate
ANSWER= (B) scan device, identify and eliminate
Q.220 Which of the following actions will not delete a file on windows desktop?. KVS 2018
A) select file, hit delete key B) double click on file, hit delete key C) drag and drop in recycle bin D) select file -> right click -> delete
ANSWER= (B) double click on file, hit delete key
Q.221 What is called VDU ?
A) Screen B) Monitor C) Both (a) and (b) D) Printer
ANSWER= (C) Both (a) and (b)
Q.222 Software is
A) Superset of programs B) Subset of programs C) Set of programs D) None of the above
ANSWER= (C) Set of programs
Q.223 CPU Scheduler is also known as SSC CGL, 2016
A) Job Scheduler B) Resource Scheduler C) Short-term Scheduler D) Process Scheduler
ANSWER= (C) Short-term Scheduler
Q.224 Which among the given options is IBM’s Supercomputer? IBPS PO Mains, 2016
A) Tihane-2 B) Taihu Light C) Watson D) Shasra-T
ANSWER= (C) Watson
Q.225 Weibo is a micro-blogging site popular in IBPS Clerk Mains, 2016
A) India B) USA C) France D) China
ANSWER= (D) China
Q.226 Which of the following is not a part of the ROM:
A) FLASH B) DRAM C) SRAM D) None of the above
ANSWER= (D) None of the above
Q.227 During software development which factor is most crucial?
A) People B) Product C) Process D) Project
ANSWER= (A) People
Q.228 Which of the following is not a part of the RAM?
A) RDRAM B) DRAM C) SRAM D) PRAM
ANSWER= (D) PRAM
Q.229 Program is ?
A) Subset of software B) Superset of software
C) Software D) Note of the above
ANSWER= (A) Subset of software
Q.230 Why do you log off from your computer when going out from your office? IBPS Clerk Mains 2016
A) Someone might steal your files, passwords etc. B) In order to save electricity
C) Logging off is essential to increase performance D) Logging off is mandatory you before go out
ANSWER= (A) Someone might steal your files, passwords etc.
Q.231 Which of the following system is a function of dedicated PCs? IBPS Clerk Mains 2016
A) Meant for a single user B) Meant for the single task
C) Deal with single softwarence D) Deal with only editing
ANSWER= (B) Meant for the single task
Q.232 The term _____ refers to any computer component that is required to perform work. SBI Clerk 2011
A) Bootstrap B) Kernel
C) Resource
D) Source code
ANSWER= (C) Resource
Q.233 Software consists of
A) Set of instruction + operating system B) Progarms + Documentation + Opearting C) Progarms + Hardware manuals D) Set of progarms
ANSWER= (B) Progarms + Documentation + Opearting
Q.234 Which of the following is the permanent memory of the computer:
A) RAM B) ROM C) CPU D) Processor
ANSWER= (B) ROM
Q.235 What is output? SBI Clerk 2011
A) What the processor takes from the processor
B) What the processor gets from the user C) What the user gives to the processor D) What the processor gives to the user
ANSWER= (D) What the processor gives to the user
(xi) Which of the following memory programme can’t be removed by us?
A) RAM B) ROM C) Cache memory D) Virtual memory
ANSWER= (B) ROM
Q.237 SDLC Stands for
A) Software design life cycle B) Software development life cycle C) System development life cycle D) System design progarms
ANSWER= (B) Software development life cycle
Q.238 SRS Stands for
A) software requirements specification B) software requirements Solution C) system requirements specification D) None of the above
ANSWER= (A) software requirements specification
Q.239 Which printer cannot print more than one character at a time? SSC CHSL 2012
A) Line B) Daisy-wheel C) Laser D) Dot-matrix
ANSWER= (B) Daisy-whee
Q.240 Which of the following houses the most important parts of a computer system? IBPS RRB 2016
A) Input Device
B) Clientl C) Server D) Hardware
ANSWER= (B) Daisy-whee
Q.241 What is the name of the microprocessor manufactured by Pentium.
A) IC 8085 B) IC 80486 C) IC 80386 D) All of the above
ANSWER= (B) IC 80486
Q.242 Which phase is not available in software life cycle
A) Coding B) Design C) Specification D) Abstraction
ANSWER= (D) Abstraction
Q.243 What is the full form of VGA
A) Vector Graphic Adaptor B) Vector Graphic Array
C) Virtual Graphic Array D) Video Graphic Array
ANSWER= (D) Video Graphic Array
Q.244 The operation of computer is controlled by RRB JE 2015
A) Memory system B) Controlling system
C) Processing system D) Processing system
ANSWER= (D) Processing system
Q.245 Reusable optical storage will typically have the acronym SBI Clerk 2009
A) CD B) RW
C) ROM
D) DVD
ANSWER= (B) RW
Q.246 What is the name of 64 bit microprocessor manufactured by AMD
A) Opteron B) Athion
C) RISC-9000 D) Both (a) and (b)
ANSWER= (D) Both (a) and (b)
Q.247 DFD stands for
A) Data flow design B) Descriptive functional design C) Data flow digram D) None of the above
ANSWER= (C) Data flow digram
Q.248 On the following, which is the fastest? SSC CGL 2012
A) CD-ROM B) RAM C) CPU Registers D) Cache
ANSWER= (C) CPU Registers
Q.249 Intel Pentium chips uses ?
A) CISC design B) RISC design
C) Both of above D) None of above
ANSWER= (C) Both of above
Q.250 Which computer was the first to use the magnetic drum for memory? SSE CGL 2005