1. Which of the following is the product of data processinga. information b. datac. software program d. system

2. The process of putting data into a storage location is calleda. reading b. writingc. controlling d. hand shaking

3. The process of copying data from a memory location is calleda. reading b. writingc. controlling d. booting

4. A list of instructions used by a computer is calleda. program b. CPUc. text d. output

5. The CPU consists ofa. input, output and processingb. control unit, primary storage and secondary storagec. Control unit; arithmetic logic unit and primary storaged. input, processing and storage

6. Which of the following is true about primary storagea. it is a part of the CPUb. It allows very fast access to datac. It is relatively more expensived. all of the above

7. Which of the following is the most powerful type of the computera. main frame b. super conductorc. micro computer d. super computer

8. Software instruction intended to satisfy a user's specific processing needs are calleda. system software b. process softwarec. documentation d. application software

9. The computer device primarily used to provide hardcopy is thea. CRT b. line printerc. computer console d. card reader

10. Which one of the following can produce the final product of machine processing in a form usable by humansa. storage b. controlc. input device d. output device

11. The term 'memory' applies to which one of the followinga. logic b. storagec. input device d. output device

12. A program written in machine language is called ........ program.a. object b. computerc. assembler d. high level

13. A source program is the program written in .......... language.a. English b. symbolicc. high level d. object14. A typical modern computer usesa. magnetic cores for secondary storageb. LSI chipsc. magnetic tape for primary memoryd. more than 10,000 vaccum tubes

15. A collection of 8 bits is calleda. byte b. recordc. word d. nibble

16. General purpose computers are those that can be adopted to countless uses simply by changing itsa. output device b. input devicec. processor d. program

17. The current generation of computersa. second b. fifthc. fourth d. third

18. To implement all functions of the basic logic functions, it needsa. OR gate b. NOT gatec. AND and NOT gatesd. None of these

19. In the binary number 110.101, the fractional part has the valuea. 0.625 b. 0.125c. 0.875 d. 0.5

20. The value of binary 1111 isa. 23 -1 b. 24c. 24 - 1 d. None of these

21. The value of 25 in octal system isa. 20 b. 40c. 400 d. None of these

22. A hexa decimal number 'AO' has the decimal valuea. 80 b. 256 c. 100 d. 160

23. The binary representation of hexadecimal 'C3' isa. 1111 b. 110011c. 110001 d. 11000011

24. The ASCII code is for information interchange by a binary code fora. numbers only b. alphabets onlyc. alphanumeric and other common symbolsd. None of these

25. A four bit number is given as 1001. Its 1's complement isa. 1001 b. 11001c. 0110 d. 0101

26. 2's complement representation of a decimal number -4 isa. 0100 b. 1100c. 1011 d. 1010

27. BCD numbers are obtaineda. by converting decimal number to binaryb. by converting decimal to octalc. when each decimal digit is represented by four bit binaryd. by converting binary to decimal.

28. For a logical circuit there are 'n' binary inputs. Then the number of different input combinations in the truth table isa. 2n b. 2/nc. 2n d. 2(n+1)

29. Which of the following performs modulation and demodulationa. Satellite b. modemc. fiber optic d. amplifier

30. A characteristic of multiprogramming system is a. simultaneous execution of program instructions from two applicationsb. concurrent processing of two or more programsc. multiple CPU'sd. all of the above

31. Communication circuits that transmit data in both directions but not at the same time are operating ina. simplex mode b. half-duplex modec. full-duplex mode d. asynchronous mode

32. 34. Operating system functions may includea. input/output control b. virtual storagec. multiprogramming d. all of the above

33. 35. Transmission of computerized data from one location to another is calleda. data transfer b. data flowc. data communication d. data management

34. 36. Which of the following items is not used in LANa. computers b. modemc. printer d. cable

35. 37. Which is the device that converts computer output into a form that can be transmitted overa telephone linea. teleport b. multiplexerc. concentrator d. modem

36. 38. What is the commonly used unit for measuring the speed of data transmissiona. bytes per second b. bits per secondc. baud d. either b or d

37. 39. A kilobyte also referred to as KB, is equal toa. 1000 bytes b. 1024 bytesc. 2048 bytes d. 512 bytes

38. 40. Inputs to your computer is accomplished using thea. Screen b. keyboardc. printer d. plotter

39. 41. Which of the following is not used as secondary storagea. Semiconductor memoryb. magnetic disksc. magnetic drumsd. magnetic tapes

40. 42. A collection of wires that connects several deviceis calleda. link b. busc. cable d. port

41. 43. A offline device isa. a device which is not connected to CPUb. a device which is connected to CPUc. a device which is in breakdown staged. None of these

42. 44. Which of the following is the fastesta. CPUb. magnetic tapes and disksc. video terminald. sensors, mechanical controllers

43. 45. Memories in which any location can be reached in a fixed and short amount of time after specifying its address is calleda. sequential access memoryb. random access memoryc. secondary memoryd. mass storage

44. 46. The register which contains the data to be written into or read out of the addressed location is known asa. index registerb. memory address registerc. memory data registerd. program counter

45. 47. The register which keeps track of the execution of a program and which contains the memory address of the next instruction to be executedis known asa. index register b. instruction registerc. memory address registerd. program counter

46. 48. Which of the following is used as storage locations both in the ALU and in the control section of a computera. accumulator b. registerc. adder d. decoder

47. 49. Accumulator is aa. hardwired unit b. sequential circuitc. finite state machine d. register

48. 51. Non volatility is an important advantage ofa. CCDsb. magnetic tapes and disksc. magnetic bubbles d. both b and c

49. 51. Which of the following memory is volatilea. RAM b. ROMc. EPROM d. PROM

50. 52. The memory which is programmed at the time it is manufactured isa. ROM b. RAMc. PROM d. EPROM

51. 53. Which memory is nonvolatile and may be written only once.a. RAM b. EE-PROMc. EPROM d. PROM

52. 54. Which of the following statements is wrong a. magnetic core memory, RAMs and ROMs have constant access timeb. magnetic tape is non volatilec. semiconductor memories are used as mass memory mediumd. An EPROM can be programmed, erased and reprogrammed by the user with an EPROM programming instrument

53. 55. The fastest type of memory isa. tapeb. semiconductor memoryc. disk d. bubble memory

54. 56. In magnetic disks data is organized on the platter in a concentric sets or rings calleda. sector b. trackc. head d. block

55. 57. When we move from the outer most track to the innermost track in a magnetic disk, the densitya. increases b. decreasesc. remains the samed. either remains constant or decreases

56. 58. Which of the following device can be used to directly input printed texta. OCR b. Mousec. MIC d. Joystick

57. 59. Which device can draw continuous linesa. daisy wheel b. plotterc. chain printer d. impact printer

58. 60. In which storage device, recording is done by burning tiny pits on a circular diska. punched cards b. floppy diskc. magnetic tape d. optical disk

59. 61. Which of the following printers uses light beam and electrostatically sensitive black powdera. dot matric printer b. daisy wheel printerc. chain printer d. laser printer

60. 62. The primary purpose of an operating system is a. to make the most efficient use of the computer hardwareb. to allow people to use the computerc. to keep system programmers employedd. to make computers fast.

61. 63. The operating system managesa. memory b. processorc. disk and I/O devices d. all of the above

62. 64. Scheduling isa. allowing job to use the processorb. unrelated performance considerationsc. quiet simple to implement, even on large main framesd. the same regardless of the purpose of the system

63. 65. Which of the following translator program converts assembly language program to object programa. assembler b. compilerc. macro processor d. linker

64. 66. Multiprogramming systems a. are easier to develop than single programming systemsb. execute each job fasterc. execute more jobs in the same time periodd. use only one large mainframe computer

65. 67. What device is used for entering x y coordinatesa. card reader b. joystickc. keyboard d. all of the above

66. 68. Impact printersa. strike a ribbon against the paper to produce character images.b. include ink-jet and thermal devicesc. are more expensive than laser printersd. use optical technology

67. 69. Bar codes stores information usinga. punched holes b. dotsc. thick and thin tines d. all of the above

68. 70. How many types of storage loops exist in magnetic bubble memorya. 8 b. 4 c. 3 d. 2

69. 71. In comparison to the internal (main) memory, tape or disk memory isa. slower and more expensiveb. slower and less expensivec. faster and more expensived. faster and less expensive

70. 72. One of the main features that distinguish microprocessor from microcomputers isa. words are usually larger in microprocessorsb. words are shorter in microprocessorsc. microprocessor does not contain I/O devicesd. computers are not fully integrated

71. 73. Microprocessor with 'n' address lines is capable of addressinga. 2n locations b. 2(n + 1) locationsc. 2n locations d. n2 locations

72. 74. Which technique is preferable for transferring a large amount of data to and from a memory in a short timea. DMA b. Interrupt driven I/Oc. programmed I/O d. None of these

73. 76. The binary representation 100110 is numerically equivalent toa. the decimal representation 46b. the octal representation 46c. the hexadecimal representation 46d. the binary representation 26

74. 78. The greatest negative number which can be stored in a computer that has 8-bit wordlength and uses 2's complement arithmetic isa. -256 b. -255 c. -128 d. -127

75. 79. By taking 2's complement again of the 2's complement of a binary, one getsa. the 1's complement b. the 2's complementc. the original numberd. the sign magnitude form of the numbers

76. 81. In the sign magnitude representation, the leading bita. is a part of the number itselfb. is unit for positive numbersc. is always unitd. stands for the sign

77. 109. Firmware meansa. software b. hardwarec. software available on hardwared. none of these

78. 110. For each instructions of program in memory the CPU goes through aa. decode - fetch - execute sequenceb. execute - store - decode sequencec. fetch - decode - execute sequenced. fetch - execute - decode sequence

79. 111. Which of the following is the ascending order of data hierarchya. bit - byte - record - field - data base - fileb. bit - byte - field - record - file - databasec. bit - byte - file - field - record - databased. bit - record - byte - field - file database

80. 112. A microcomputer consists of at least an input unit, an output unit, microprocessor unit and aa. stabilizer b. memory unitc. printer d. network

81. 113. Magnetic tape can serve asa. input mediab. output mediac. secondary storage mediad. all of the above

82. 114. Super computers are mainly useful fora. mathematical intensive scientific applicationsb. data-retrieval operationsc. input-output intensive processingd. all of the above

83. 115. Which of the following storage is volatilea. semiconductor memoryb. floppy diskc. CD-ROMd. core memory

84. 116. RAM chipsa. allow the computer to store data electronicallyb. store data indefinitely unless you delete itc. are secondary memoryd. all of the above

85. 117. EEPROM isa. easily erasable b. non-erasablec. effectively erasable d. electrically erasable

86. 118. Multiprocessinga. makes the operating system simplerb. allows multiple processes to run simultaneouslyc. is completely understood by all major computer vendorsd. allows the same computer to have multiple processors

87. 119. How many units in a single bus structure will communicate at a timea. 1 b. 2 c. 3 d. 14

88. 120. Arithmetic logic unitI. perform arithmetic operationsII. store dataIII. perform comparisonIV. communicate with input devices of the above the correct one is

a. I only b. II onlyc. I and II only d. I and III only