General Computer Knowledge

View in English View in Hindi

Which layer of OSI reference model is responsible to determine the interface of the system with the user

A)
Application layer

B)
Session layer

C)
Transport layer

D)
Data link layer


Correct Answer :

Application layer

‘Internet’ is an example of

A)
LAN

B)
MAN

C)
WAN

D)
None of these


Correct Answer :

WAN

Which of the following is a most reliable topology?

A)
Bus

B)
Star

C)
Ring

D)
Mesh


Correct Answer :

Mesh

Hierarchical topology is used to establish a network which is also known as

A)
Bus

B)
Star

C)
Tree

D)
Mesh


Correct Answer :

Tree

Which of the following has minimum transmission speed?

A)
Twisted pair wire

B)
Fiber optic cable

C)
Coaxial cable

D)
Microwave


Correct Answer :

Twisted pair wire

Speed of internet connection is measured in

A)
Kilo bits per second

B)
Kilo Boolean per second

C)
Meter per second

D)
None of these


Correct Answer :

Kilo bits per second

TCP/IP is an example of

A)
Communication protocol

B)
Networking protocol

C)
Data transfer protocol

D)
All options are correct


Correct Answer :

All options are correct

In communication satellite, multiple repeaters are known as

A)
Detector

B)
Modulator

C)
Stations

D)
Transponders


Correct Answer :

Transponders

‘Communication protocol’ means

A)
Data transformation

B)
Set of rules to communicate data from one machine to another machine

C)
Transmission signals

D)
None of these


Correct Answer :

Set of rules to communicate data from one machine to another machine

HTTP stands for

A)
Hyper Text Transfer Protocol

B)
Hyper Text Transmission Protocol

C)
Hyper Text Tie up Protocol

D)
Hyper Thing Together Protocol


Correct Answer :

Hyper Text Transfer Protocol

IPV4 address consists of _______ parts separated by dots

A)
2

B)
3

C)
4

D)
1


Correct Answer :

4

Domain name matching to IP address is performed by

A)
Electronic mail

B)
URL

C)
DNS

D)
FTP


Correct Answer :

DNS

Which of the following is connectionless transport layer protocol?

A)
TCP

B)
UDP

C)
NNTP

D)
FTP


Correct Answer :

UDP

Which one is the largest HTML heading tag?

A)
H1

B)
H2

C)
H3

D)
H4


Correct Answer :

H1

Public key algorithms are used for

A)
Storage of information

B)
Information exchange

C)
Information security

D)
None of these


Correct Answer :

Information security

Which of the following function is not performed by the operating system?

A)
Processor management

B)
Constraint satisfaction

C)
Deadlock handling

D)
File management


Correct Answer :

Constraint satisfaction

Firewall is software which is normally installed on the _______ of organization

A)
Google server

B)
Client machine

C)
Proxy server

D)
None of these


Correct Answer :

Proxy server

What is the full form of SMTP?

A)
simple mail transfer protocol

B)
simplex mail transfer protocol

C)
simple mail interrupt protocol

D)
simple mail training protocol


Correct Answer :

simple mail transfer protocol


Explanation :

SMTP(Simple Mail Transfer Protocol) provides the ability to send and receive email messages. SMTP is an application-layer TCP/IP protocol that enables the transmission and delivery of email over the Internet.

What is the full form of DNS?

A)
Domain name system

B)
Domain network system

C)
Dynamic name system

D)
Distributed name system


Correct Answer :

Domain name system


Explanation :

Domain name system (DNS) is a hierarchical naming system built on a distributed database. This system used to resolve human-readable hostnames to machine-readable IP addresses.

OSI reference model consists of how many layers?

A)
7

B)
6

C)
5

D)
4


Correct Answer :

7


Explanation :

The Open System Interconnection (OSI) model defines a networking framework to implement protocols in seven layers. It is also referred to as the OSI Reference Model or just the OSI Model.

Layer 7 - Application
Layer 6 - Presentation
Layer 5 - Session
Layer 4 - Transport
Layer 3 - Network
Layer 2 - Data Link
Layer 1 - Physical

Which of the following is not a File System?

A)
FAT

B)
NTFS

C)
UFS

D)
LCD


Correct Answer :

LCD


Explanation :

FAT file system File allocation table (FAT) file system is basically a simple file system designed for small disk and simple folder structures.

NTFS (NT file system; sometimes called New Technology File System) is the file system that the Windows NT operating system uses for storing and retrieving files on a hard disk. NTFS is the Windows NT equivalent of the Windows 95 file allocation table (FAT)

UFS File Systems. The Unix file system is a file system supported by Unix and Unix-like operating systems.

Every web page that is displayed on the internet has a specific address associated with it. This address is known as:

A)
Uniform Research Limited

B)
Uniform Resource Locator

C)
Uniline Resource Lab

D)
Uniform Research Locator


Correct Answer :

Uniform Resource Locator


Explanation :

Each webpage can be accessed with its own individual Uniform Resource Locator (URL) on internet. A URL is made up of several part, all of which have their own functions.
The parts are-
Protocol to be used to access the resource on the Internet.
Host that holds the resource.
A path/folder location.
File name and extension.

The Speed of the internet is measured in the number of:

A)
Bit transferred per unit time

B)
Byte transferred per unit time

C)
Bit transferred per square unit time

D)
None of these


Correct Answer :

Bit transferred per unit time


Explanation :

Computers send information over the internet, this information is in bits. Bits take time to reach their destination. That time is measured in seconds. So internet speeds are measured by identifying how many bits are transferred in one second, hence bits per second.

At the time of composing any e-mail, we have three options- To, CC and BCC. What is the meaning of BCC here?

A)
Blind carbon copy

B)
Blind copy carbon

C)
Blind compose copy

D)
Blind copy compose


Correct Answer :

Blind carbon copy


Explanation :

CC stands for Carbon Copy, whereas BCC stands for Blind Carbon Copy. When a message is blind carbon copied, neither the main recipient nor the Bcc'd recipients can see the addresses in the Bcc field. Blind carbon copying is a useful way to let others to see e-mail,which you have sent without the main recipient knowing.

Which of the following is a video compression technology?

A)
MPEG

B)
NPEG

C)
LPEG

D)
OPEG


Correct Answer :

MPEG


Explanation :

A file with the .mpeg (or .mpg) file extension is an MPEG video file format.

The MPEG standards are an evolving set of standards for video and audio compression developed by the Moving Picture Experts Group (MPEG).

Latest Updates

Physics

Atmospheric pressure at sea level equals ?

General Knowledge of India

Which of the following dance forms was introduced by the great Vaishnava saint and reformer Mahapurusha Sankaradeva ?

Which of the following is the only classical dance of india having links with Muslim culture and represents a unique synthesis of Hindu and Muslim genius in art ?

Time and Distance

Starting from the same point at the same time, Ruhan and Yuvan had to reach the same destination. While Ruhan drove at 45 km/hr, Yuvan was slower by 5 km/hr. If Yuvan arrived at the destination an hour after Ruhan did, the distance covered by each, in Kilometres, was ?

Simple Interest

A sum of money was invested at a certain rate of simple interest for 4 years. Had the sum been invested at a rate 3% higher than the actual rate, the interest earned would have been 720 Rs more. Find the sum initially invested?

Ratio and Proportion

A bag contains red, blue and black balls. The ratio of red to blue balls is 3 : 5. The ratio of black to red balls is 3 : 4. What is the ratio of blue to black balls?

Profit and Loss

Selling a pack of incense sticks for 136 Rs resulted in a loss of 15%. To make a profit of 10%, the selling price should be ?

Percentage

23% of a bucket full of diluted milk was water. If the quantity of pure milk in the bucket was 15.4 liter, then the capacity of the bucket was ?

Average

The average of the marks obtained by three girls in a test was twice the average of the marks obtained by eight boys in that test. If the total marks obtained by all these examinees was 168, find the average marks each of the girls obtained ?

Pipes and Cistern

44 pipes can fill a large water tank in 27 hours. How many hours it take for 66 pipes to fill four such tanks ?

HCF and LCM

A natural number, when divided by 3, 4, 5, 6, and 7 respectively, leaves corresponding remainder of 2, 3, 4, 5 and 6. What is the smallest of all such numbers fulfilling the above condition ?

Coding-Decoding

If in a certain code language, PRINT is written as 34825 and TRUE is written as 5479. Then, how will TENURE be written in that language?

Order Sequence

Arrange the given words from smallest to biggest-
1.Jug
2.Mug
3.Bucket
4.Drum
5.Cup

Statement and Conclusion

Statements
All socks are shoes
Some shoes are black

Conclusions
I. Some shoes are socks.
II. No scoks is black

Numbers

The difference between the place value of 4 and 2 in the number 833749502 is ?

Analogy

GIKM : HJLN :: PRTV : .........?

Order Sequence

In a row of girls, Nanda is eighth from the left and Chanda is nineteenth from right. When Nanda and Chanda interchange their positions, Chanda becomes twnty-third form right. How many girls are there in the row?

Analogy

Summer: Day :: Winter : ........?