MCQOPTIONS
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MCQOPTIONS
This section includes 87 Mcqs, each offering curated multiple-choice questions to sharpen your 12th knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following is the universal gate? |
| A. | NAND-Gate |
| B. | OR-Gate |
| C. | AND-Gate |
| D. | NOT-Gate |
| Answer» B. OR-Gate | |
| 2. |
MAN is a - |
| A. | Cost |
| B. | Company |
| C. | Network |
| D. | Country |
| Answer» D. Country | |
| 3. |
WAN means - |
| A. | Wide Area Network |
| B. | Wine Area Network |
| C. | Woll Area Network |
| D. | Wide Allen Network |
| Answer» B. Wine Area Network | |
| 4. |
Register is a |
| A. | Set of capacitors used to register input instructions in a digital computer |
| B. | Set of paper tapes and cards put in a file |
| C. | Temporary storage unit within the CPU having dedicated or general purpose use |
| D. | part of the auxiliary memory |
| Answer» D. part of the auxiliary memory | |
| 5. |
Errors in computer results could be due to |
| A. | encoding of data |
| B. | transmission of data |
| C. | manipulation of data |
| D. | all of the above |
| Answer» E. | |
| 6. |
Terminal is a |
| A. | device used to give supply to a computer |
| B. | Point at which data may leave or enter the computer |
| C. | point where wires are interconnected |
| D. | an input/output device |
| Answer» C. point where wires are interconnected | |
| 7. |
A computer programmer |
| A. | enters data into computer |
| B. | writes programs |
| C. | changes flow chart into instructions |
| D. | does total planning and thinking for a computer |
| Answer» E. | |
| 8. |
Pickup wrong definition |
| A. | Off line - is a system peripheral equipment not controlled by CPU |
| B. | Online - is system in which peripheral equipment is in direct contact with CPU |
| C. | PL/I is the acronym Peripheral Listing /Index |
| D. | Program or routine is a set sequence of instructions given to computer for problem solving |
| Answer» D. Program or routine is a set sequence of instructions given to computer for problem solving | |
| 9. |
When a CD (Compact Disc used in audio and Video system) is seen in sunlight, rainbow like colours are seen. This can be explained on the basis of phenomenon of |
| A. | reflection and diffraction |
| B. | reflection and transmission |
| C. | diffraction and transmission |
| D. | refraction, diffraction and transmission |
| Answer» E. | |
| 10. |
For reproducing sound, a CD (Compact Disc) audio player uses a |
| A. | quartz crystal |
| B. | titanium needle |
| C. | laser beam |
| D. | barium titanium ceramic |
| Answer» D. barium titanium ceramic | |
| 11. |
The memory of a computer is commonly expressed in terms of Kilobytes or Megabytes. A byte is made up of |
| A. | eight decimal digits |
| B. | eight binary digits |
| C. | two binary digits |
| D. | two decimal digits |
| Answer» C. two binary digits | |
| 12. |
Which of the following circuit is used as a 'Memory device' in computers? |
| A. | Rectifier |
| B. | Flip-Flop |
| C. | Comparator |
| D. | Attenuator |
| Answer» C. Comparator | |
| 13. |
Which is/are the main provisions of Information Technology (IT) Act, 2000? |
| A. | Finalisation of contracts through electronic media. |
| B. | Legal recognition to digital signatures and documents. |
| C. | Making hacking with computer system an office. |
| D. | All of the above |
| Answer» E. | |
| 14. |
Consider the following statements about Internet facility: |
| A. | It serves as the largest one-line information system. |
| B. | It provides the most dependable and latest mode for sending E-mail. |
| C. | Recurring expenditure on communication E-mail is very high. |
| D. | It is often misused and has triggered cyber-crimes. |
| Answer» B. It provides the most dependable and latest mode for sending E-mail. | |
| 15. |
The computer device primarily used to provide hard copy is the |
| A. | CRT |
| B. | Line Printer |
| C. | Computer Console |
| D. | Card Reader |
| Answer» C. Computer Console | |
| 16. |
The unit of hardware, which an operator uses to monitor computer processing, is the |
| A. | Card Reader |
| B. | CPU |
| C. | Line Printer |
| D. | Console |
| Answer» E. | |
| 17. |
Computers can be classified in which of the following hierarchical orders? |
| A. | PC, Large, Super Micro, Super Computer |
| B. | Super Micro, PC, Large, Super Computer |
| C. | PC, Super Micro, Large, Super Computer |
| D. | Large, Super Micro, Super Computer, PC |
| Answer» D. Large, Super Micro, Super Computer, PC | |
| 18. |
Which one of the following is a stored program machine? |
| A. | Micro-processor |
| B. | Calculator |
| C. | Analog-computer |
| D. | Micro-computer |
| Answer» E. | |
| 19. |
First generation computer systems used |
| A. | Transistors |
| B. | Vacuum tubes |
| C. | Magnetic cores |
| D. | Silicon chips |
| Answer» C. Magnetic cores | |
| 20. |
Transistors are associated with which computer system? |
| A. | First generation |
| B. | Fifth generation |
| C. | Second generation |
| D. | None of these |
| Answer» D. None of these | |
| 21. |
Charles Babbage invented |
| A. | ENIAC |
| B. | Difference engine |
| C. | Electronic computer |
| D. | Punched card |
| Answer» C. Electronic computer | |
| 22. |
Who wrote the book 'Computer Liberation and Dream Machine', the first book on personal computers? |
| A. | John McCarthy |
| B. | Ted Nelson |
| C. | Niklaus Wirth |
| D. | Karl Capek |
| Answer» C. Niklaus Wirth | |
| 23. |
Who was the inventor of mechanical calculator for adding numbers? |
| A. | Charles Babbage |
| B. | Peano |
| C. | Newton |
| D. | Pascal |
| Answer» E. | |
| 24. |
The most widely used commercial programming computer language is |
| A. | BASIC |
| B. | COBOL |
| C. | FORTRAN |
| D. | PASCAL |
| Answer» C. FORTRAN | |
| 25. |
The brain of a computer is |
| A. | CPU |
| B. | CD |
| C. | Floppy disc |
| D. | Megabyte |
| Answer» B. CD | |
| 26. |
'Foxpro' is |
| A. | a medicine |
| B. | a disease |
| C. | a computer language |
| D. | an animal |
| Answer» D. an animal | |
| 27. |
In computer language, one kilobyte equals |
| A. | 1000 bytes |
| B. | 1024 bytes |
| C. | 100 bytes |
| D. | 8 bytes |
| Answer» C. 100 bytes | |
| 28. |
Which one of the following is not a programming language of a computer? |
| A. | BASIC |
| B. | FORTRAN |
| C. | LASER |
| D. | PASCAL |
| Answer» D. PASCAL | |
| 29. |
Which of the following packages is used for composition in printing press? |
| A. | Lotus |
| B. | dBase |
| C. | Page Maker |
| D. | Word Perfect |
| Answer» D. Word Perfect | |
| 30. |
Which one of the following is not a computer language? |
| A. | BASIC |
| B. | COBOL |
| C. | LOTUS |
| D. | FORTRAN |
| Answer» D. FORTRAN | |
| 31. |
The individual within the operations group who ordinarily uses a variety of keyboard devices, is the |
| A. | Data Clerk |
| B. | Keypunch Operator |
| C. | Data Entry Clerk |
| D. | Computer Operator |
| Answer» D. Computer Operator | |
| 32. |
An advantage of a distributed word processing network is |
| A. | increased number of reports handled |
| B. | less delay in inter-office communications |
| C. | greater corporate control over outputs |
| D. | All of these |
| Answer» C. greater corporate control over outputs | |
| 33. |
The retrieval of information from the computer is defined as |
| A. | collection of data |
| B. | data retrieval operations |
| C. | output |
| D. | data output collection |
| Answer» D. data output collection | |
| 34. |
Which of the following terms could be used to describe the concurrent processing of computer programs via CRTs, on one computer system? |
| A. | Time sharing |
| B. | On-line processing |
| C. | Interactive processing |
| D. | All of these |
| Answer» E. | |
| 35. |
The daily processing of corrections to customer accounts best exemplifies the processing mode of |
| A. | batch processing |
| B. | real-time processing |
| C. | time-sharing |
| D. | off-line processing |
| Answer» B. real-time processing | |
| 36. |
A characteristic of card system is |
| A. | slowness in processing data |
| B. | using cards as records of transactions |
| C. | needing a larger data staff |
| D. | All of these |
| Answer» E. | |
| 37. |
Which of the following floppy sizes exists? |
| A. | 5.25 inches |
| B. | 4.75 inches |
| C. | 6 inches |
| D. | 8 inches |
| Answer» B. 4.75 inches | |
| 38. |
MS-DOS is the name of a/an |
| A. | Application software |
| B. | Hardware |
| C. | System software |
| D. | None of these |
| Answer» D. None of these | |
| 39. |
A peripheral device used in a word processing system is |
| A. | Floppy disk |
| B. | Magnetic card reader |
| C. | CRT |
| D. | All of these |
| Answer» E. | |
| 40. |
A term used interchangeably with diskette is |
| A. | Disk cartridge |
| B. | Disk pack |
| C. | Floppy disk |
| D. | Packette disk |
| Answer» D. Packette disk | |
| 41. |
An I/O device which provides photographic outputs for printing galleys, is the |
| A. | Camera printer |
| B. | Automatic typesetter |
| C. | Radix printer |
| D. | All of these |
| Answer» E. | |
| 42. |
Which one of the following a file? |
| A. | Floppy disk |
| B. | Magnetic drum |
| C. | magnetic tape |
| D. | None of these |
| Answer» E. | |
| 43. |
A decimal equivalent of m second is |
| A. | 0.000001 sec |
| B. | 1000000 sec |
| C. | 0.001 sec |
| D. | 1000 sec |
| Answer» B. 1000000 sec | |
| 44. |
A characteristic of the ASCII code is |
| A. | its limitation to a maximum of 96 character configuration |
| B. | its limitation to a maximum of 96 character configuration |
| C. | its independence from Hollerith code |
| D. | All of these |
| Answer» D. All of these | |
| 45. |
A temporary storage area, attached to the CPU, for I/O operations, is a |
| A. | Channel |
| B. | Buffer |
| C. | Register |
| D. | Core |
| Answer» C. Register | |
| 46. |
The computer code for interchange of information between terminals is |
| A. | ASCII |
| B. | BCD |
| C. | BCDIC |
| D. | Hollerith |
| Answer» B. BCD | |
| 47. |
ROM is composed of |
| A. | Magnetic cores |
| B. | Micro-processors |
| C. | Photoelectric cells |
| D. | Floppy disks |
| Answer» C. Photoelectric cells | |
| 48. |
Magnetic disk a medium known as |
| A. | Serial access |
| B. | Direct access |
| C. | Sequential access |
| D. | Sequential and rotational access |
| Answer» C. Sequential access | |
| 49. |
An octal number 237 is equal to the binary number |
| A. | 010 011 111 |
| B. | 010 111 011 |
| C. | 011 101 101 |
| D. | 011 000 001 |
| Answer» D. 011 000 001 | |
| 50. |
A term associated with the comparison of processing speed is |
| A. | FFTS |
| B. | MPG |
| C. | MIPS |
| D. | CPS |
| Answer» D. CPS | |