General Computer Knowledge

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What is the base of octal number system?





Correct Answer :


Explanation :

Octal number system (base-8)
The octal number system uses eight values to represent numbers. Values are, 0 1 2 3 4 5 6 7

Example: Conversion from Octal to Decimal
2785 = 2 × 81 + 7 × 80 = 16 + 7 = 2310

Which section of the computer selects, interprets and monitor the execution of the program?
A) Monitor
B) Arithmatic logic unit
C) Control Unit
D) Central Processing Unit

Correct Answer :Central Processing Unit
Which of the statement is TRUE with respect to Interpreter?
A) It translates one instruction at a time
B) It translates whole program at a time
C) Repeated Interpretation is not necessary
D) None of the above

Correct Answer :It translates one instruction at a time

Which of the following memories needs to be refreshed after certain amount of time?





Correct Answer :


Keyboard is a type of ___________ device?
A) Output
B) Input
C) Storage
D) Memory

Correct Answer :Input

___________ allows more than one program to run concurrently?

Multi User

Multi processing

Switching system

Multi tasking

Correct Answer :

Multi tasking

IP version 4 is a ______ addressing system?
A) 32 bit
B) 16 bit
C) 128 bit
D) 14 bit

Correct Answer :32 bit
What is the full form of EEPROM ?
A) Easily Erasable Programmable Read Only Memory
B) Electrically Erasable Programmable Read Only Memory
C) Electronically Erasable Programmable Read Only Memory
D) Electrically Erasable Program Record Only Memory

Correct Answer :Electrically Erasable Programmable Read Only Memory

Every computer on the internet is identified by its _______________?


Mother board

IP Address

Control Unit

Correct Answer :

IP Address

______ is an input device which inputs sound that is then stored in digital form?


Track ball


Light pen

Correct Answer :


What is disk access time in computer?
A) Seek time + latency time
B) Only Seek time
C) Only Latency time
D) Execution time + seek time

Correct Answer :Seek time + latency time

A byte represents a group of?
A) 10 bits
B) 5 bits
C) 8 bits
D) 4 bits

Correct Answer :8 bits

What is of the following network device is used to join two network segments together?









Correct Answer :


Which layer offers peer to peer and end to end connection between two processes on remote hosts?
A) Application layer
B) Data Link layer
C) Transport layer
D) Physical Layer

Correct Answer :Transport layer

Which memory is faster than main memory?

A) Secondary memory
B) Cache memory
C) Both (a) and (b)
D) Neither (a) nor (b)

Correct Answer :Cache memory

Which Shortcut key is used for Spelling check in MS word?

A) F5
B) F12
C) F7
D) F8

Correct Answer :F7

_______is one of the small set of data holding places that are part of a computer processor?

B) Register
C) Hard disk
D) Magnetic disk

Correct Answer :Register

Which one of the following extends a private network across public networks?


Local Area Network


Virtual Private Network


Enterprise private network


Storage area network

Correct Answer :

Virtual Private Network

Explanation :

A virtual private network (VPN) extends a private network across a public network and enables users to send and receive data across shared or public networks.

Which of the following is not a domain name?

A) .com
B) .edu
C) .gov
D) .exe

Correct Answer :.exe

What is the full form of MICR?

A) Magnetic Ink case recognition
B) Magnetic Ink character recognition
C) Magnetic Ink code recognition
D) Main Ink Code recognition

Correct Answer :Magnetic Ink character recognition

Which technology is used in compact Disks?

A) Laser
B) Mechanical
C) Electrical
D) Electro magnetic

Correct Answer :Laser

Different components of the motherboard of a personal computer unit are linked together by sets of parallel electrical conducting lines, these lines are called as:

A) Conductor
B) Bus
C) Connector
D) Consecutive

Correct Answer :Bus

Which was the first electronic computer?

C) Z3

Correct Answer :ENIAC

The computer program that converts an entire program into machine language is called?

A) Interpreter
B) Simulator
C) Compiler
D) Commander

Correct Answer :Compiler

Which of the following was the first microprocessor built by the Intel corporation?

A) 8008
B) 8080
C) 4004
D) 8800

Correct Answer :4004

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