Information Technology

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UPSC, PSC, BANK, RAILWAY,etc. Examination Questions

Questions about Information Technology including Kerala Administrative Service (KAS), Secretariat Assistant, Panchayath Secretary, BDO, Auditor, Assistant, LDC and LGS examination level questions. You need a lot of experience in taking an online exam.

1.

First Generation of computers belong to which period

Ans:-1946-1959 (Vacuum tube based).


2.

Second Generation of computers belong to which period

Ans:-1959-1965 (Transistor based).


3.

Third Generation of computers belong to which period

Ans:-1965-1971 (Integrated Circuit based).


4.

Fourth Generation of computers belong to which period

Ans:-1971-1980 (VLSI microprocessor based).


5.

Fifth Generation of computers belong to which period

Ans:-1980-onwards ( ULSI microprocessor based).


6.

First generation computers are

Ans:-ENIAC (Electronic Numeric Integrator and Calculator, developed by Pensylvania university of USA,in 1946)

Ans:-EDSAC (Electronic Delay Storage Automatic Computer, is the first stored programed computer, developed by Cambridge University)

Ans:-UNIVAC(Universla Automatic Computer, developed by Mauchly and Eckert in 1951, first digital computer)

Ans:-EDVAC(Electronic Discrete Variable Automatic Computer, developed by Pensylvania University of USA )

Ans:-IBM-701

Ans:-IBM-650


7.

Second generation computers are

Ans:-IBM 1620

Ans:-IBM 7094

Ans:-CDC 1604

Ans:-CDC 3600

Ans:-UNIVAC 1108


8.

Which gnereration computers supported assembly and machine language for the first time

Ans:-Second


9.

The IC (Integrated Chip) was invented by

Ans:-Jack Kilby


10.

which generation of computers used multiprogramming operating system for the first time

Ans:-Third


11.

High level languages used in Third generation of computers are

Ans:-FORTRAN-II TO IV, COBOL, PASCAL PL/1, BASIC, ALGOL-68 etc.


12.

High level languages used in Second gnereration of computers are

Ans:-FORTRAN, COBOL


13.

Third generation computers are

Ans:-IBM-360 series

Ans:-Honeywell-6000 series

Ans:-PDP (Personal Data Processor)

Ans:-IBM-370/168

Ans:-TDC-316


14.

High level languages used in Fourth generation are

Ans:-C, C++, DBASE


15.

Fourth generation computers are

Ans:-DEC 10

Ans:-STAR 1000

Ans:-PDP 11

Ans:-CRAY-1(Super Computer)

Ans:-CRAY-X-MP(Super Computer)


16.

High level language used in fifth generation of computers are

Ans:-C and C++, Java, .Net


17.

Fifth generation computers are

Ans:-Desktop

Ans:-Laptop

Ans:-NoteBook

Ans:-UltraBook

Ans:-ChromeBook


18.

what is PC

Ans:-(PersonalComputer) It is a single user computer system having moderately powerful microprocessor


19.

what is Workstation

Ans:-Workstation is a computer used for engineering applications, more powerful microprocessor


20.

what is Mini Computer

Ans:-It is a multi-user computer system, capable of supporting hundreds of users simultaneously.


21.

what is Main Frame

Ans:-Mainframe executes many programs concurrently and supports many simultaneous execution of programs


22.

what is Supercomputer

Ans:-It is an extremely fast computer, which can execute hundreds of millions of instructions per second


23.

CPU stand for

Ans:-Cetral processing unit, it have storage unit, control unit, ALU


24.

ALU stand for

Ans:-Arithmetic Logic Unit


25.

Input devices of a computer are

Ans:-Keyboard

Ans:-Mouse

Ans:-Scanner

Ans:-Light pen

Ans:-Track Ball

Ans:-Joy Stick

Ans:-Graphic Tablet

Ans:-Microphone

Ans:-Magnetic Ink Card Reader(MICR)

Ans:-Optical Character Reader(OCR)

Ans:-Optical Mark Reader(OMR)

Ans:-Bar Code Reader


26.

what is OMR

Ans:-Optical Mark Reader (OMR) is a special purpose optical scanner used to recognize the type of mark made by pen or pencil.


27.

what is OCR

Ans:-Optical Character Reader(OCR)OCR is an input device used to read a printed text.


28.

what is MICR

Ans:-Magnetic Ink Card Reader(MICR)it read special type of ink that contains particles of magnetic material, mainly used in bank for check processing


29.

Output devices of a computer are

Ans:-Monitor

Ans:-Printer

Ans:-Plotter

Ans:-Projector

Ans:-Speaker

Ans:-Headphones

Ans:-Light / LED


30.

what is cache memory

Ans:-it is integrated with processor (processing chip)/mother board, high speed memory,


31.

which memory works between cpu and main memory ie act as bufffer

Ans:-cache memory

Ans:- Random access memory, volatile memory


32.

what is cpu memory

Ans:-cache memory


33.

what is primary memory

Ans:-This memory store the working data, data lost when power is switched off


34.

which is known as main memory

Ans:-Primary memory


35.

which is semiconductor memory

Ans:-primary memory

it have two category (RAM, ROM).


36.

what is ROM

Ans:-Read only memory

it is NON-volatile memory


37.

What is RAM

Ans:-Random access memory, it is an internal memeory, it is volatile memory


38.

How many types RAM

Ans:-Ram have two type SRAM, DRAM

Ans:-read only which cannot write on it


39.

Which is known as external memory

Ans:-Secondary memory , it is non - Volatile memory


40.

Which is known as backup memory

Ans:-Secondary memory


41.

which memory does not directly access the CPU

Ans:-Secondary memory


42.

Which memory slower than primanry memory

Ans:-Secondary memory


43.

which memory stored data is permanently in that memory without affecting the power off

Ans:-secondary

Ans:-it is known as externam memory


44.

Types of secondary storage devices

Ans:-magnetic disks

Ans:-hard drives

Ans:-floppy disks

Ans:-optical disks

Ans:-CDs and CDROMs

Ans:-magnetic tapes

Ans:-Pendrive

Ans:-Memory stick

Ans:-memory card

Ans:-magnetic tapes


45.

what is SRAM

Ans:-Static Random Access Memory, it stay long time, data losts when power gest off


46.

what is DRAM

Ans:-Dynamic Random access memeory, refreshed every time, data losts when power gest off


47.

On refreshing done in computer, wich memory is clear?

Ans:-DRAM


48.

whatis MROM

Ans:-Masked ROM


49.

what is PROM

Ans:-Programmable ROM


50.

what is EPROM

Ans:-Erasable and Programmable ROM

it can be erased by exposing to ultra-violet light upto 40 minuits


51.

what is EEPROM

Ans:-Electrically Erasable and Programmable ROM

it can be erased electrically with in 4 to 10 milliseconds


52.

which device connect all the parts all of the parts of together

Ans:-mother board


53.

which one is considered as backbone of the computer

Ans:-mother board


54.

1KB (KILO BYTE)=___________ BYTE

Ans:-1024 BYTE


55.

1MB (MEGA BYTE)=___________ KB

Ans:-1024 KB


56.

1GB (GIGA BYTE)=_________MB

Ans:-1024 MB


57.

1TB (TERA BYTE)=___________ GB

Ans:-1024 GB


58.

1PB(PETA BYTE)=___________ TB

Ans:-1024 TB


59.

1EB (EXA BYTE)=_________ PB

Ans:-1024 PB


60.

1ZB(ZETTA BYTE)=_________ EB

Ans:-1024 EB


61.

1YB (YOTTA BYTE)=___________ ZB

Ans:-1024 ZB


62.

1BB (BRONTO BYTE)=___________ YB

Ans:-1024 YB


63.

1 (Geop Byte)___________ Bronto byte

Ans:-1024 Bronto byte


64.

What is one Bit

Ans:-Binary digit ( 0 and 1 )


65.

What is one Nibble

Ans:-a group of 4 bits


66.

one byte is

Ans:-a group of eight bits is called byte


67.

Which is the smallest unit of data / character

Ans:-byte


68.

What is port

Ans:-it is a connection point, this can be used to connect external devices to computer


69.

Types of ports

Ans:-Serial port, PS/2 PORT, parallel port, USB PORT, VGA port, Fire wire port, power connector, modem port, eathernet port, game port, DVI port, socket


70.

Which is known as mouse port

Ans:-ps/2 port, keyboard and mouse connect with this port


71.

What is USB

Ans:-Universal serial bus

it can connect all kind of devices(keboard, mouse, printer, scanner, dvd drive, harddisk etc.)


72.

Which port provide some power to device

Ans:-USB port


73.

What is 'VGA' port

Ans:-Video Graphic array, which connect to monitor, projector, laptop etc.


74.

Who invented "firewire"

Ans:-Apple, transfer large amount of data at very fast.


75.

What is 'Modem' port

Ans:-it connects to telephone


76.

What is 'Eathernet' port

Ans:-it connects a network , data transfer speed is 10/1000 megabits


77.

What is 'DVI' port

Ans:-Digital Video Interface, it connect high end video graphic card


78.

What is system software

Ans:-it is collection of programs , it can control , manage and processing of the computer.

eg. Operating system, compliner, interpreter, assembler


79.

What is Application software

Ans:-This is designed for particular purpose

eg. MS office, CAD, Photoshop, billing, payroll, Mis etc.


80.

What is the base of Binary number system

Ans:- 2 digits 0 and 1


81.

What is the base of Octal number system

Ans:- 8 digits 0 to 7


82.

What is the base of Hexa decimal number system

Ans:- digits 0 to 9 and letters used A to F


83.

Which is called 16 number system

Ans:-Hexa decimal number system


84.

Which is called 8 number system

Ans:-Octal number system


85.

Orgnized ,classified and meaningful data is called as ___________

Ans:-Information