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80 Important onliner Computer GK for SSC, RAILWAYS, UPSC etc


computer GK

80 Important onliner Computer GK for SSC, RAILWAYS, UPSC etc

 1. What is the access time in characteristics of computer's memory?

-  ITS KNOWN AS SPEED AT WHICH INFORMATION IS STORED OR BROUGHT INTO ONE MEMORY LOCATION FROM PROCESSING UNITS


2. What indicates the 0 in Binary numbers?

-  ABSENSCE OF LIGHT OR OFF


3. What indicates the 1 in Binary numbers?

-  PRESENCE OF LIGHT OR ON 


4. What is meaning of computer code?

-  COMBINATIONS OF SWITCHES


5. What is the mean of 1kb?

-  1KB= 1024 BYTES


6. What is the full form of PROM?

-  PROGRAMMABLE READ ONLY MEMORY


7. What is used to increase the speed of processing between CPU and RAM?

-  CACHE


8. What is the full form of I/O devices?

-  INPUT AND OUTPUT DEVICES


9. Is a keyboard input device?

-  YES


10. What is scanner?

-   SCANNER IS AN INPUT DEVICE FOR  TRANSFERRING AN IMAGE FORM PAPER TO COMPUTER SYSTEM


11. How many scanner are there?

-   THREE TYPES- SHEET FED SCANNER, FLAT BED SCANNER AND HAND HELD SCANNER


12. What is the full form of OMR?

-   OPTICAL MARK READER


13. What is the full form of CRT monitors?

-   CATHODE RAY TUBE MONITORS


14. What do the abbreviation of LCD stands for?

-   LIQUID CRYSTAL DISPLAY 


15. Character printers are mostly used with?

-   PERSONAL COMPUTER SYSTEMS


16. What is a Dot Matrix printer?

-   IT IS AN IMPACT PRINTER AND GROUPING OF DOTS OR PINS FORM CHARACTER



17. What is a letter quality printer?

-   IT IS AN IMPACT PRINTER AND HAS A WHEEL ON WHICH CHARACTERS ARE EMBOSSED



18. Name any one of non-impact printer?

-   INK JET PRINTERS


19. What is the use of magnetic media devices (MMD)?

-   MMD ARE USED BOTH FOR INPUTTING AND OUTPUTTING IN A COMPUTER SYSTEM


20. How floppies are shown in a computer?

-   SHOWS BY A 1\2


21. What is the maximum capacity of storage of a floppy?

-   1.44 MB


22. What is the maximum capacity of storage of a CD?

-   700 MB


23. Hard Disk consists of numbers of?

-   CYLINDERS


24. The storage capacity of HARD DISK are?

-   1GB TO 80GB's 


25. Winchester disk is also a?

-   HARD DISK


26. Name any secondary storage?

-   FLOPPY AND CD


27. Sound information is fed to the computer system using the?

-   MIKE AND CONNECTING VIDEO CAMERA TO THE COMPUTER SYSTEM INPUTS VIDEO INFORMATION 


28. Large  volume of information can also be written on?

-   CD-ROM 


29. What are the storing capacity of the CD-ROM?

-   650 MB


30. Multimedia consists of?

-   GRAPHICS, SOUND AND VIDEO


31. What is the size of the silicon chip?

-   ABOUT 2 SQURES INCHES AND 7 MILLION MICRO TRANSISTORS ARE EMBEDDED ON IT                                                                                  


32. What is the speed of the pentium-3 CPU chip?

-   600 MHZ


33. Is PC's CPU is mounted on?

-   MOTHERBOARD


34. What is a graphics card?

-   GRAPHICS CARD IS THE INERFACE BETWEEN THE CPU AND THE MONITOR


35. Card image is copied on to the monitor screen at the rate of?

-   70-80 TIMES IN A SECOND


36. Name the main circuit board containing CPU, RAM and other components?

-   MOTHER BOARD


37. What are required to put on mother board for connecting of all I/O units to CPU?

-   PORTS/ SLOTS


38. The instructions in digital form are known as?

-   MACHINE LANGUAGE INSTRUCTIONS


39. Give some example of the compilers languages?

-   FORTRAN, COBOL, BASIC, PASCAL, ETC


40. What is the purpose of operating systems?

-   IT MANAGES THE CPU, RAM, I/O DEVICES, FILES SYSTEMS ETC


41. DOS is a?

-   OPERATING SYSTEM


42. What is linux?

-   OPERATING SYSTEM


43. In which form machine language instructions are stored?

-   IN DIGITAL FORM


44. COBOL is a?

-   COMPILER LANGUAGE


45. Communicating data from one point to another is known as?

-   DATA COMMUNICATION


46. What is the meaning of network of two computer system?

-   CONNECTION OF TWO COMPUTER SYSTEMS TO ONE ANOTHER FOR DATA COMMUNICATION IS CALLED NETWORK OF TWO COMPUTER SYSTEMS


47. What is the full form of LAN?

-   LOCAL AREA NETWORK


48. What is the full form of WAN?

-   WIDE AREA NETWORK 


49. What is the meaning of WAN?

-   THE NUMBER OF COMPUTER SYSTEMS CONNECTED TO EACH OTHER USING TELEPHONE 

    LINES OR SATELLITE COMMUNICATION FACILITY IN DIFFERENT CITIES IS CALLED

    WIDE AREA NETWORK


50. The conversion from digital to voice or voice to digital is known as?

-   MODULATION AND DEMODULATION


51. Connecting two computer systems to each other requires?

-   CABLES AND WIRES


52. What is the meaning of special interface units?

-   IT IS USED FOR CONVERTING DATA FROM DIGITAL TO THE REQUIRED FORM


53. What is the meaning of communication?

-   COMMUNICATION IS THE PROCESS OF TRANSFORMING MASSAGE FROM ONE POINT TO ANOTHER


54. In different cities, if two computers are connected with each other so it is known as?

-   WAN NETWORK


55. What is the full form of FAT?

-   FILE ALLOCATION TABLE


56. Name the secondry memory of the computer?

-   FLOPPY OR CD


57. A stable multivibrator can be used as?

-   CLOCK TIMER


58. Is BASIC a package?

-   NO 


59. Name the minimum error code?

-   GREY CODE


60. Is control unit a part of CPU?

-   YES


61. Monitor of a computer is a?

-   OUTPUT DEVICE


62. What do the letter DPI stands for?

-   DOTS PER INCH


63. RAM have the capabilities of?

-   READ AND WRITE


64. Name the temporary memory?

-   RAM (RANDOM ACCESS MEMORY)


65. Name the leads which are connected in an IC cheap?

-   ALUMINIUM


66. Is MODEM a high level computer programming language?

-   NO


67. Speed of Dot Matix Printer is measured in?

-   CPS


68. The speed of a laser Printer can be measured in?

-   PPM


69. Field is also know as?

-   SET OF DATA


70. OR is a ?

-   BOOLEAN OPERATORS


71. Which command is used for pasting information other the text to the document?

-   PASTE SPECIAL 


72. What is used for recording, editing and playing sound files?

-   SOUND RECORDER


73. What is used for playing WAV files?

-   MEDIA PLAYER


74. What is the use of CD players?

-   FOR PLAYING AUDIO CD


75. What is the standard file formats of graphics?

-   JPG AND TIF


76. What is the standard file formats of audio?

-   WAV


77. What is the standard file formats of video?

-   AVI, MPG, QT


78. Name the input device of video?

-   DIGITAL CAMERA


79. Control panel is a window that displays?

-   ICONS AND OBJECTS


80. Name the groups of applications of office 97?

-   WORD, EXCEL, POWERPOINT, ACCESS AND OUTLOOK

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