Updated Computer GK Questions from competitive exams

computer related  questions updated  for PSC Exams

 New updates are marked  *

 

1. Who invented Laptop?
Answer: Adam Osborne

2. Who is the first programmer
Answer: Ada Lovelace (Augusta Ada King-Noel)

3. The Information technology act came into existence from which year?
Answer: 2000

4. The inventor of www (World wide web)?
answer: Tim Berner's lee

5. Computer Mouse was invented by?
Answer: Douglas Engelbart

6. Computer Mouse is which type of device(Input/output)?
Answer:  Input device

some other Input devices are - a keyboard, scanner, joystick 

examples of Output devices: Printers, monitors, speakers, projector

7. What is the full form for USB?
Answer: Universal serial bus

8. What is the purpose of BUS in computers?
Answer: BUS connects components of the computer 

9. what is the full form for  RAM
Answer: Random access memory

10. what is the full form for  ROM
Answer: Read-only memory

11*. Who is the father of computer science?
Answer: Alan Turing

12*. Who is the father of computers?
Answer: Charles Babbage

13*. Who is the founder of Hotmail?
 Answer: Sabeer Bhatia

14*. A device used for the modulation and demodulation of signals?
Answer: modem  

 15.   Information technology act 2000 came in to force from which date?
Answer: 17 October 2000

 Simple Computer-linked Questions

*16. First electronic computer?
answer: ENIAC

*17. ENIAC stands for?
Answer: Electronic Numerical Integrator and Calculator


*18. Vacuum Tubes are used in which Generation of computers?
Answer: First Generation of computers


*19. Transistors are used in which Generation of computers?
Answer: Second Generation of computers


*20. IC chips are used in which Generation of computers?
Answer: Third Generation of computers

*21. Microprocessors are used in which Generation of computers?
Answer: Fourth Generation of computers

 

 

 

List of Multinational companies and it's founders

Founders of Major Companies in Information technology are most frequent in competitive exams.

1. who is the founder of Microsoft?

Answer:-Bill Gates and Paul Allen

2. who is the founder of Google?

Answer: Larry Page and Sergey Brin

3. who is the founder of Facebook?

Answer: Mark Elliot Zuckerberg

4. who is the founder of Amazon?

Answer: Jeff Bezos

5. who is the founder of Flipkart?

Answer : Sachin Bansal and Binny Bansal

6. who is the founder of Apple?

Answer: Steve Jobs, Steve Wozniak, and Ronald Wayne

7. what is the full form for  LAN
Answer: Local Area Network

8. what is the full form for  WAN
Answer: Wide Area Network

 9. what is the full form for  MAN
Answer: Metropolitan Area Network

What is the full form of AR in computer terminology?

Answer: Augmented reality

What is the full form of AI ?

Answer: Artificial intelligence


 
Find more computer questions from

UPSC important Computer Questions  

Important Computer Gk Questions 

previously asked Gk questions about Computer

Computer Questions for competitive exams

*Last updated on 28/12/2018

Important General knowledge Bits for competitive exams: Updated

Some Selected Important GK bits for all Competitive Exams

Boost your competitive exam readiness with concise GK bits covering static and current affairs essentials. Ideal for aspirants of SSC, UPSC, Bank, Railways, and more, this resource delivers one‑liner facts, charts, maps, and pocket‑sized info—perfect for quick revision and sharp recall in high‑pressure tests

Frequently Asked Questions

1. Who is known as Modern Bhoja?

Krishnadeva Raya

2. Who started Shudhi Movement?

Dayananda Saraswathy

3. Which Pakistan President signed the Tashkent Agreement?

Ayub Khan

4. Which Substance is known as Philosopher's wool?

Zinc Oxide

5. Which Vitamin helps in the absorption of Calcium?

Vitamin D

6. Who discovered Rh Factor?

Karl Landsteiner (the same person discovered Blood Group)

7. Who wrote the book Harmonies of World?

Kepler

8. Where is the Headquarters of Amnesty International?
Answer: London

9. Which is the shortest River in the world?
Answer: Roe


10. The image formed on the Retina of the human eye is ________ ?
Answer: Real and inverted


11. Who discovered Microphone?
Answer: Alexander Graham Bell


12. Myopia (Short sightedness) can be corrected by using a  _______ lens ?
Answer: Concave


13. Hypermetropia (Long sightedness) can be corrected using a _________ ?
Answer: Convex lens


14. Erg is the unit of _____?
Answer: Work


15. Dyne is the unit of ______ ?
Answer: Force


16. Poise is the unit of _______ ?
Answer: Viscosity of fluid



Colour of different lamps


Sodium Vapour lamp  =>>  Yellow

Hydrogen Vapour lamp  =>>  Blue

Nitrogen Vapour lamp  =>>  Red

Mercury Vapour lamp  =>>  White

Neon Vapour Lamp  =>>  Orange

Chlorine Vapour Lamp  =>>  Green


* 17. Which cricketer has the nickname Haryana Hurricane?
Answer: Kapil Dev


* 18. Who is the law Adviser of the central Government?
Answer: Attorney General



* 19. Which is the acid present in tomato?
Answer: Oxalic acid


* 20. Which disease is also known as Hansen's disease?
Answer: Leprosy


* 21. Who gave the Pacific Ocean its name?
Answer: Magellan


* 22. Which state has a large number of cinema theaters in India?
Answer: Andhara Pradesh

*23. The term "virus" stands for?
Answer: Vital Information Resource under siege

*24. What is the expansion for "CRZ"?
answer: Coastal Regulation Zone

25. Who designed the National flag of India?
answer: Pingali Venkayya

26. Total number of time zones?
answer: 24

27. rabies affects which part of the body?
answer: brain

28. How much is a baker's dozen?
answer: 13

29. The supreme court started functioning from?
answer: 1950 January 28

30. The election commission of India was formed on?
answer: 25th January 1950

31. World press freedom day is on?
answer: 3rd May

32. Which day is observed as world youth skills day?
answer: July 15

Some GK Questions related to respiratory organs

33. Which is the Respiratory organ of a spider?
Answer: Book Lungs

33. Which is the Respiratory organ of Plants?
Answer: Stomata

33. Which is the respiratory organ of Fish?
Answer: Gills

33. Which is the respiratory organ of Earthworms?
Answer: Skin

33. Which is the respiratory organ of insects?
Answer: Trachea

34. Study of Lungs is called?

Answer: Pulmonology

Free download GK bits in Mp3 audio

Download all General Knowledge bits in MP3 format for free and enhance your exam preparation anytime, anywhere. These audio files offer an easy and effective way to revise important GK questions, one-liners, and facts for competitive exams like SSC, UPSC, RRB, and more—perfect for learning on the go.

Click here to Download GK bits in Mp3


For more selected random general knowledge questions visit
http://importantquestionsabout.blogspot.in/2012/09/random-gk-quiz-questions.html
http://importantquestionsabout.blogspot.com/2018/10/2018-computer-gk-repeated-questions-and.html

Did you know which planet has the shortest day and night ?

Updated General knowledge questions : Postal system 2025-26

Possible questions (frequently asked) for Postal assistant aptitude test about Postal System. These essential questions will help you attain a high score on the exam.



1. Which Governor general found Telegraph and Postal systems?
Answer: Lord Dalhousie


2. When did the first General Post Office open in India?
Answer: 1774 (Kolkata)


3. Which is the first postage stamp of India?
Answer: Scinde Dawk (1852)


4. What is the Full form of PIN?
Answer: Postal Index Number


5. When did the Pin system Start in India?
Answer: 1972 (In the same year Royal Bengal Tiger replaces the lion as National Animal)


6. Which is the first Indian post office outside Indian territory?
Answer: post office at Dakshin Gangotri in Antarctica (1983)


7. When did the service of speed post start in India?
Answer: 1986


8. In which year was the Money Order system introduced in India?
Answer: 1880


9. In which year Postal Life Insurance started in India?
Answer: 1884


10. Where is postal staff college situated ?
Answer: Ghaziabad (UP)


11. World Postal Day is observed in _________ ?
Answer: October 9

12. Indian Postal Day is observed in _________ ?
Answer: October 10

13. Where is the highest post office in the world situated?
Answer: Hikkim (Himachal Pradesh)


14. When did Universal Postal Union found?
Answer: 1874

*15. Where is the Headquarters of Universal Postal Union (UPU) 
Answer:  Berne (Switzerland)
 
16. First Postal ATM was opened in which city?
Answer: Chennai

*17. Where is the Headquarters of Indian postal system?
Answer: New Delhi

*18. What is the purpose of Project arrow?
Answer:  Upgrade post offices in India(started in april 2008)

*19. Hobby of collecting stamps is called?
Answer: Philately  

20 first Indian women to appear on a postage stamp?

Answer: Meera Bai

21 who appeared first in Indian postal stamp ?

Answer: Queen Victoria

View more Questions for postal assistant exams http://importantquestionsabout.blogspot.in/2012/09/gk-questions-for-postal-assistant-and.html