Important Computer Questions For SSC

Important Computer Questions For RRB Exams

Who is the father of Computer science? Charles Babbage
In a computer, most processing takes place in ? CPU
In which type of computer, data are represented as discrete signals? Digital Computer
Scientific Name of Computer? Sillico sapiens
What is the name of the display feature that highlights are of the screen which

requires operator attention?

Reverse Video
Computers, combine both measuring and counting, are called ? Hybrid Computer
What is FORTRAN? Formula Translation
What translates and executes program at run time line by line? Interpreter
What converts an entire program into machine language ? Compiler
Who is the father of personal computer? Edward Robert
EEPROM stands for  ? Electronic Erasable

Programmable Read Only Memory

Who developed the first electronic computer? J.V. Atansoff
Which programming languages are classified as low level languages? Assembly Language
The first web browser is  ? Mosaic
First page of Website is termed as ? Homepage
IBM stands for  ? International

Business Machines

Office LANS, which are scattered geographically on large scale, can be connected

by the use of corporate  ?

WAN ( wide area

network )

To move a copy of file from one computer to another over a communication

channel is called?

File Transfer
Large transaction processing systems in automated organisations use ? Batch Processing
MICR stands for  ? Magnetic Ink

Character Reader

Name of 1st electronic computer? ENIAC
No. of different characters in ASCII coding system? 1024
MSIC stands for _? Medium Scale

Integrated Circuits

The scrambling of code is known as ? Encryption
The first computers were programmed using ? Machine Language
A fault in a computer program which prevents it from working correctly is known

as   ?

Which button makes alphabets/letters in uppercase and lowercase and numbers to


When a computer is switched on, the booting process performs ? Power on self test
What is the software frequently utilized by end users called (like Word,




Unit of measurement of the output quality of a printer? Dot per sq. inch
Switching device of fifth generation computer is ? VLSI
The unit KIPS is used to measure the speed of ? Processor
DOS stands for  ? Disk Operating


What is a joy stick primarily in computers used for? Computer Gaming


In 1999, the Melissa virus was a widely publicised ? E-mail virus
Which of the following commands is given to reboot the computer? Ctrl+Alt+Del
What is correcting errors in a program called ? Debugging
BCD is    ? Binary Coded


What type of virus uses computer hosts to reproduce itself? Worm
SMTP, FTP and DNS are applications of the     layer? Application
Which command is used to select the whole document? Ctrl+A
COBOL is an acronym for ? Common Business

Oriented Language

The ability of an OS to run more than one application at a time is called? Multitasking
What is the functional key to display save-as box? F12
Full form of NOS ? Network Operating


Something which has easily understood instructions is said to be……….? Analog Data
A modem is connected to a ? Telephone Line
Refresh Rate of monitor is measured in? Hertz
What was the chief component of first generation computer? Vacuum tube &


Name the Father of Computer Mouse? Douglas Engelbart
A program that performs a useful task while simultaneously allowing destructive

acts is    ?

Trojan Horse
The geometric arrangement of devices on the network is called………..? Topology
The basic goal of computer process is to convert data into     ? Information
Where are the CPU and memory located? Motherboard
Who is known as the founder of IBM Company? Thomas J. Watson
An image on a computer screen is made up of ? Pixels
Full form of MAN ? Metropolitan Area


Which command in DOS can be used to recover accidentally deleted files? UNDELETE
A computer program that converts an entire program into machine language at

one time is called  ?

In which year, the Microsoft company was founded? 1975
What is the personal computer operating system that organizes and uses a graphic

desktop environment?

What are Light pen and joystick ? Input Devices
What is a half byte also called as? Nibble
SMPS stands for  ? Switched mode

Power Supply

What do we use to change the appearance and positioning of text document in MS


A     is approximately a million bytes? Megabyte
Daisy wheel, Drum, chain etc are the ? Printers
XML stands for   ? Extensible Markup


What kind of scheme is the HTTP protocol? Request/Response
Magnetic disk is an example of ? Secondary Memory
What is the meaning of OSI, in terms of computers ? Open system


Which type of storage device is a BIOS ? Primary


What is the extension type of the excel 2007 files? .xlsx
Collecting personal information and effectively posing as another individual is

known as the crime of  ?

Identity theft
The amount of vertical space between lines of text in a document is called ? Line Spacing
A computer cannot ‘boot’ if it does not have the ? Operating system
What is the other name for programmed chip? LSIC
A normal CD- ROM usually can store up to     data? 680 MB
What does DMA stand for? Direct Memory


Full form of LAN ? Local Area Network
ASCII stands for  ? American Standard Code for Information


Second Generation computers were developed during ? 1956-65
When did arch rivals IBM and Apple Computers Inc. decide to join hands? 1991
What kind of memory is both static and non -volatile? ROM
An error in software or hardware is called a bug. What is the alternative computer

jargon for it?

Unwanted repetitious messages, such as unsolicited bulk e-mail is known as ? Spam
The common name for the crime of stealing passwords is ? Spoofing
BIOS stands for   ? Basic Input Output


Who is regarded as Father of “C‘ programming language? Dennis Ritchie
RAM can be treated as the ……… for the computer’s processor. Waiting Room
Computers manipulate data in many ways, and this manipulation is called ? Processing
Joshy, Perfumes are examples of ? Viuses
The ability to recover and read deleted or damaged files from a criminal’s

computer is an example of a law enforcement speciality called ?

Computer Forensics
Where does most data go first with in a computer memory hierarchy? RAM
Help Menu is available at which button? Start
Which file contains permanent data and gets updated during the processing of


Master File
A DVD is an example of an ? Optical Disc
Which is most common tool used to restrict access to computer system? Passwords
The technology that stores only essential instructions on a microprocessor chip and

thus enhances its speed is referred as ?

What is the name of an application program that gathers user information and

sends it to someone through the Internet?


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