General Computer Knowledge

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Which of the following is not a domain name?

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

Correct Answer : .exe
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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.

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

Which of the following is a non volatile memory?









Correct Answer :


Explanation :

Read Only Memory: ROM is non-volatile memory, which do not loose their content on failure of power supply.

A ROM is a form of semiconductor memory technology used where the data is written once and then not changed.

Latest Updates


First we increased the denominator of a positive fraction by 3 and then decrease it by 5.The sum of the resulting fractions proves to be equal to 2/3. Find the denominator of the fraction if its numerator is 2?


If we divide a two digit number by the sum of its digits we get 4 as a quotient and 3 as a remainder. Now if we divide that two digit number by the product of its digits we get 3 as a quotient and 5 as a remainder . Find the two digit number?


The denominators of an irreducible fraction is greater than the numerator by 2.If we reduce the numerator of the reciprocal fraction by 3 and subtract the given fraction from the resulting one,we get 1/15.Find the given fraction?


If we add the square of the digit in the tens place of the positive two digit number to the product of the digits of that number we get 52,and if we add the square of the digit in the unit's place to the same product of the digits we get 117.Find the two digit number?

The sum of squares of the digits constituting a positive two digit number is 13, If we subtract 9 from that number we shall get a number written by the same digits in the reverse order. Find the number?

The arithmetic mean of two numbers is smaller by 24 than the larger of the two numbers and the GM of the same numbers exceeds by 12 the smaller of the numbers. Find the numbers?

A number being successively divided by 3,5,8 leaves remainder 1,4,7 respectively. Find the respective remainders if the order of divisors are reversed?

The sum of all possible two digit numbers formed from three different one digit natural numbers when divided by the sum of the original three numbers is equal to?


Find the HCF and LCM of the polynomial x2-5x+6 and x2-7x+10?


When we multiply a certain two digit number by the sum of its digits , 405 is achieved. If we multiply the number written in reverse order of the same digits by the sum of the digits, we get 486. Find the number?


The sum of two numbers is 15 and their geometric mean is 20% lower than their arithmetic mean. Find the numbers?


The difference of 1025-7 and 1024+x is divisible by 3. find x=?

A number when divided by the sum of 555 and 445 gives two times their difference as quotient and 30 as remainder . The number is?

The sum of three prime numbers is 100.If one of them exceeds another by 36 then one of the numbers is?

Find the number of zeros in the factorial of the number 18?

If a number is multiplied by 22 and the same number is added to it then we get a number that is half the square of that number. Find the number?

In doing a division of a question with zero remainder,a candidate took 12 as divisor instead of 21.The quotient obtained by him was 35. The correct quotient is?


A number when divided by 342 gives a remainder 47.When the same number is divided by 19 what would be the remainder?

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