45 Basic Computer Questions and Answers For Competitive Exams

45 Basic Computer Questions and Answers For Competitive Exams

QUESTION No 1. Who is the father of Computer ?

Answer : Charles Babbage

QUESTION No 2. In a computer , most processing takes place in ?
Answer : CPU

QUESTION No 3. In which type of computer , data are represented as discrete signals ?
Answer : Digital Computer

QUESTION No 4. Scientific Name of Computer ?
Answer : Sillico sapiens

QUESTION No 5. What is the name of the display feature that highlights are of the screen which requires operator attention ?
Answer : Reverse Video

QUESTION No 6. Computers , combine both measuring and counting , are called
Answer : Hybrid Computer

QUESTION No 7. What is FORTRAN ?
Answer : Formula Translation

QUESTION No 8. What translates and executes program at run time line by line ?
Answer : Interpreter

QUESTION No 9. What converts an entire program into machine . language ?
Answer : Compiler

QUESTION No 10. Who is the father of personal computer ?
Answer : Edward Robert

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QUESTION No 11. EEPROM stands for ?
Answer : Electronic Erasable Programmable Read Only Memory

QUESTION No 12. Who developed the first electronic computer ?
ANSWER : J.V. Atansoff

QUESTION No 13. Which programming languages are classified as low level languages ?
Answer : Assembly Language

QUESTION No 14. What is the name of  first web browser ?
Answer : Mosaic

QUESTION No 15. First page of Website is termed as ?
Answer : Home Page

QUESTION No 16. Name of 1st electronic computer ?
Answer : ENIAC

QUESTION No 17. Office LANS , which are scattered geographically on large scale , can be connected by the use of corporate ?
Answer : WAN ( wide area network )

QUESTION No 19. To move a copy of file from one computer to another over a communication channel is called ?
Answer : File Transfer

QUESTION No 20. Large transaction processing systems in automated organisations use ?
Answer : Batch Processing

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QUESTION No 21. MSIC stands for ?
Answer : Magnetic Ink Character Recognition

QUESTION No 22. The scrambling of code is known as ?
Answer : Encryption

QUESTION No 23. The first computers were programmed using ?
Answer : Machine Language

45 Basic Computer Questions and Answers For Competitive Exams

Question No. 24. No. of different characters in ASCII coding system ?
Answer : 1024

Question No. 25. MSIC stand for
Answer : Medium Scale Integrated Circuits 

Question No. 26. IBM stands for
Answer : International Business Machines

Question No. 27. A fault in a computer program which prevents it from working correctly is known as ?
Answer : Bug

Question No. 28. Which button makes alphabets / letters in uppercase and lowercase and numbers to symbols ?
Answer : Shift

Question No. 29. When a computer is switched on , the booting process performs ?
Answer : Power on self test

Question No. 30. What is the software frequently utilized by end users called ( like Word , PowerPoint ) ?
Answer : Application Software

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Question No. 31. Unit of measurement of the output quality of a printer ?
Answer : Dot per sq . inch

Question No. 32. Switching device of fifth generation computer known as ?
Answer : VLSI

Question No. 33. The unit KIPS is used to measure the speed of ?
Answer : Processor

Question No. 34. DOS stands for
Answer : Disk Operating System

Question No. 35. What is a joy stick primarily in computers used for ?
Answer : Computer Gaming

Question No. 36. In 1999 , the Melissa virus was a widely publicized

Answer : E – mail virus

Question No. 37. Which of the following commands is given to reboot the computer ?
Answer : Ctrl + Alt + Del

Question No. 38. What is correcting errors in a program called ?
Answer : Debugging

Question No. 39. BCD is ?
Answer : Binary Coded Decimal

Question No. 40. Which commend is used to select the whole document ?

Answer : Ctrl+A

45 Basic Computer Questions and Answers For Competitive Exams

Question No. 41. What is the functional key to display save-as box ?

Answer : F12

Question No. 42. Who is known as the FATHER OF COMPUTER MOUSE ? 

Answer : Douglas Engelbart

Question No. 43. Where is the CPU and  Memory located ?

Answer : Mother Board

Question No. 44. Who is the Founder of IBM  company ? 

Answer : Thomas J. Watson

Question No. 45. In which year , The Microsoft Company was founded ?

Answer : 1975