Computer Awareness MCQ Part:- 2 for IBPS CWE (Q.51-Q.100)

51. Which of the following memory is volatile (A) RAM (B) ROM (C) EPROM (D) PROM

52. The memory which is programmed at the time it is manufactured is (A) ROM (B) RAM (C) PROM (D) EPROM

53. Which memory is non volatile and may be written only once. (A) RAM (B) EE-PROM (C) EPROM (D) PROM

54. Which of the following statements is wrong  (A) magnetic core memory, RAMs and ROMs have constant access time b . magnetic tape is non volatile (C) semiconductor memories are used as mass memory medium (D) An EPROM can be programmed, erased and reprogrammed by the user with an EPROM programming instrument

55. The fastest type of memory is  (A) tape (B) semiconductor memory (C) disk (D) bubble memory

56. In magnetic disks data is organized on the platter in a concentric sets or rings called (A) sector (B) track (C) head (D) block

57. When we move from the outer most track to the innermost track in a magnetic disk, the density

(A) increases (B) decreases (C) remains the same (D) either remains constant or decreases

58. Which of the following device can be used to directly input printed text (A) OCR (B) Mouse (C) MIC (D) Joystick

59. Which device can draw continuous lines (A) daisy wheel (B) plotter (C) chain printer (D) impact printer

60. In which storage device, recording is done by burning tiny pits on a circular disk (A) punched cards (B) floppy disk (C) magnetic tape (D) optical disk

61. Which of the following printers uses light beam and electro statically sensitive black powder

(A) dot matric printer (B) daisy wheel printer (C) chain printer (D) laser printer

62. The primary purpose of an operating system is

(A) to make the most efficient use of the computer hardware (B) to allow people to use the computer (C) to keep system programmers employed (D) to make computers fast.

63. The operating system manages (A) memory (B) processor (C) disk and I/O devices (D) all of the above

64. Scheduling is (A) allowing job to use the processor (B) unrelated performance considerations (C) quiet simple to implement, even on large main frames (D) the same regardless of the purpose of the system

65. Which of the following translator program converts assembly language program to object program (A) assembler (B) compiler (C) macroprocessor (D) linker

66. Multiprogramming systems

(A) are easier to develop than single programming systems (B) execute each job faster (C) execute more jobs in the same time period (D) use only one large mainframe computer

67. What device is used for entering x - y coordinates (A) card reader (B) joystick (C) keyboard (D) all of the above

68. Impact printers

(A) strike a ribbon against the paper to produce character images. (B) include ink-jet and thermal devices (C) are more expensive than laser printers (D) use optical technology

69. Bar codes stores information using (A) punched holes (B) dots (C) thick and thin tines (D) all of the above

70. How many types of storage loops exist in magnetic bubble memory (A) 8 (B) 4 (C) 3 (D) 2

71. In comparison to the internal (main) memory, tape or disk memory is

(A) slower and more expensive (B) slower and less expensive (C) faster and more expensive (D) faster and less expensive

72. One of the main features that distinguish microprocessor from microcomputers is

(A) words are usually larger in microprocessors (B) words are shorter in microprocessors (C) microprocessor doesnot contain I/O devices (D) computers are not fully integrated

73. microprocessor with 'n' address lines is capable of addressing

(A) 2n locations (B) 2(n + 1)locations (C) 2n locations (D) n2 locations

74. Which technique is preferable for transferring a large amount of data to and from a memory in a short time

(A) DMA (B) Interrupt driven I/O (C) programmed I/O (D) None of these

75. A(n) ____________ system is a small, wireless handheld computer that scans an item’s tag and pulls up the current price (and any special offers) as you shop. (A) PSS (B) POS (C) inventory (D) data mining
76. The binary representation 100110 is numerically equivalent to (A) the decimal representation 46 (B) the octal representation 46 (C) the hexadecimal representation 46 (D) the binary representation 26

77. Surgeons can perform delicate operations by manipulating devices through computers instead of manually. This technology is known as: (A) robotics. (B) computer forensics. (C) simulation. (D) forecasting.
78. The greatest negative number which can be stored in a computer that has 8-bit word length and uses 2's complement arithmetic is (A) -256 (B) -255 (C) -128 (D) -127

79. By taking 2's complement again of the 2's complement of a binary, one gets (A) the 1's complement (B) the 2's complement (C) the original number (D) the sign magnitude form of the numbers

80. ____________ are specially designed computer chips that reside inside other devices, such as your car or your electronic thermostat.  (A) Servers (B) Embedded computers (C) Robotic computers  (D) Mainframes
81. In the sign magnitude representation, the leading bit (A) is a part of the number itself (B) is unit for positive numbers (C) is always unit (D) stands for the sign

82. The steps and tasks needed to process data, such as responses to questions or clicking an icon, are called:
(A) instructions. (B) the operating system. (C) application software. (D) the system unit.
83. The OSI reference model defines the function for seven layers of protocols (A) including the user and communication medium. (B) not including the user or communication medium (C) including the communication medium but not the user (D) including the user but not the communication medium

84. The OSI reference model is (A) worthless (B) a protocol (C) not a protocol (D) None of these

85. A data packet is a packet header together with (A) a network layer (B) an administrative layer (C) user data (D) a packet switch

86. The application layer of the OSI model is the (A) seventh layer (B) sixth layer (C) fifth layer (D) fourth layer

87. Working of the WAN generally involves (A) satellite (B) frame delay (C) ATM (D) user agent

88. Which of the following technique provides dedicated communication channel between two stations.

(A) switch network (B) circuit switching (C) packet switching (D) none of these

89. End-to-end connectivity is provided from hosttohost in (A) network layer (B) session layer (C) data link layer (D) transport layer

90. Base band is

(A) transmission of signals without modulation (B) a signal all of whose energy is contained within a finite frequency range.

(C) the simultaneous transmission of data to a number of stations (D) all of the above

91. The simultaneous transmission of data to a number of stations is known as (A) broad cast (B) bandwidth (C) Aloha (D) analog transmission

92. The communication mode that supports data in both directions (A) simplex (B) half duplex (C) duplex (D) multiplex

93. Modulation is the process of (A) sending a file from one computer to another computer (B) converting digital signals to analog signals (C) converting analog signals to digital signals (D) echoing every character that is received

94. A distributed network configuration in which all data/information pass through a central computer is

(A) bus network (B) star network (C) duplex (D) multiplex

95. To connect a computer with a device in the same room, you might be likely to use (A) a coaxial cable (B) a dedicated time (C) a ground station (D) all of the above

96. Administrative supervision of database activities is the responsibility of the (A) data base administrator (B) DP Manager (C) DB Manager (D) VP-DP administrator

97. Which of the following component of a computer system is the most important to a data base management system

(A) mouse (B) high resolution video display (C) printer (D) high speed, large capacity disk

98. What is the serious problem(s) of file management systems (A) data redundancy (B) difficult to update (C) program dependence (D) All of the above

99. Which of the following contains complete record of all activity that affected the contents of a database during a certain period of time (A) master file (B) transaction file (C) report (D) query file

100. In a database, related fields are grouped to form (A) record (B) file (C) bank (D) field group

ANSWER:- 

51. a 52. a 53. d 54. c 55. B 56. b 57. a 58. a 59. b 60. d 61. d 62. a 63. d 64. a 65. b 66. C 67. b 68. a 69. c 70. d 71. b 72. c 73. c 74. a  75. A  76. b 77. A  78. c 79. c  80. B  81. d  82. A  83. b 84. c 85. c 86. a 87. a 88. B 89. d 90. a 91. a 92. b 93. b 94. b 95. a 96. a 97. d 98. d 99. B 100. a