McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Bachelor of Science in Computer Science FY (BSc CS) , Bachelor of Science in Information Technology FY (BSc IT) , Bachelor of Computer Applications (BCA) , Bachelor of Science in Information Technology (BSc IT) , Bachelor of Science in Computer Science (BSc CS) .
| 51. |
Which of the following memory medium is not used as main memory system? |
| A. | magnetic core |
| B. | semiconductor |
| C. | magnetic tape |
| D. | both a and b |
| Answer» C. magnetic tape | |
| 52. |
Registers, which are partially visible to users and used to hold conditional, are known as |
| A. | pc |
| B. | memory address registers |
| C. | general purpose register |
| D. | flags |
| Answer» C. general purpose register | |
| 53. |
One of the main feature that distinguish microprocessors from micro-computers is |
| A. | words are usually larger in microprocessors |
| B. | words are shorter in microprocessors |
| C. | microprocessor does not contain i/o devices |
| D. | exactly the same as the machine cycle time |
| Answer» C. microprocessor does not contain i/o devices | |
| 54. |
The first microprocessor built by the Intel Corporation was called |
| A. | 8008 |
| B. | 8080 |
| C. | 4004 |
| D. | 8800 |
| Answer» C. 4004 | |
| 55. |
An integrated circuit is |
| A. | a complicated circuit |
| B. | an integrating device |
| C. | much costlier than a single transistor |
| D. | fabricated on a tiny silicon chip |
| Answer» D. fabricated on a tiny silicon chip | |
| 56. |
Most important advantage of an IC is its |
| A. | easy replacement in case of circuit failure |
| B. | extremely high reliability |
| C. | reduced cost |
| D. | low powers consumption |
| Answer» B. extremely high reliability | |
| 57. |
Which of the following items are examples of storage devices? |
| A. | floppy / hard disks |
| B. | cd-roms |
| C. | tape devices |
| D. | all of the above |
| Answer» D. all of the above | |
| 58. |
Which is the type of memory for information that does not change on your computer? |
| A. | ram |
| B. | rom |
| C. | eram |
| D. | rw / ram |
| Answer» B. rom | |
| 59. |
Before a disk can be used to store data. It must be……. |
| A. | formatted |
| B. | reformatted |
| C. | addressed |
| D. | none of the above |
| Answer» A. formatted | |
| 60. |
Which company is the biggest player in the microprocessor industry? |
| A. | motorola |
| B. | ibm |
| C. | intel |
| D. | amd |
| Answer» C. intel | |
| 61. |
A typical personal computer used for business purposes would have… of RAM. |
| A. | 4 kb |
| B. | 16 k |
| C. | 64 k |
| D. | 256 k |
| Answer» D. 256 k | |
| 62. |
The word length of a computer is measured in |
| A. | bytes |
| B. | millimeters |
| C. | meters |
| D. | bits |
| Answer» D. bits | |
| 63. |
What are the three decisions making operations performed by the ALU of a computer? |
| A. | grater than |
| B. | less than |
| C. | equal to |
| D. | all of the above |
| Answer» D. all of the above | |
| 64. |
Which part of the computer is used for calculating and comparing? |
| A. | disk unit |
| B. | control unit |
| C. | alu |
| D. | modem |
| Answer» C. alu | |
| 65. |
Can you tell what passes into and out from the computer via its ports? |
| A. | data |
| B. | bytes |
| C. | graphics |
| D. | pictures |
| Answer» A. data | |
| 66. |
What is the responsibility of the logical unit in the CPU of a computer? |
| A. | to produce result |
| B. | to compare numbers |
| C. | to control flow of information |
| D. | to do math’s works |
| Answer» B. to compare numbers | |
| 67. |
The secondary storage devices can only store data but they cannot perform |
| A. | arithmetic operation |
| B. | logic operation |
| C. | fetch operations |
| D. | either of the above |
| Answer» D. either of the above | |
| 68. |
Which of the following memories allows simultaneous read and write operations? |
| A. | rom |
| B. | ram |
| C. | eprom |
| D. | none of above |
| Answer» B. ram | |
| 69. |
Which of the following memories has the shortest access times? |
| A. | cache memory |
| B. | magnetic bubble memory |
| C. | magnetic core memory |
| D. | ram |
| Answer» A. cache memory | |
| 70. |
An error in computer data is called |
| A. | chip |
| B. | bug |
| C. | cpu |
| D. | storage device |
| Answer» B. bug | |
| 71. |
The silicon chips used for data processing are called |
| A. | ram chips |
| B. | rom chips |
| C. | micro processors |
| D. | prom chips |
| Answer» D. prom chips | |
| 72. |
The instructions for starting the computer are house on |
| A. | random access memory |
| B. | cd-rom |
| C. | read only memory chip |
| D. | all of above |
| Answer» C. read only memory chip | |
| 73. |
The ALU of a computer normally contains a number of high speed storage element called |
| A. | semiconductor memory |
| B. | registers |
| C. | hard disks |
| D. | magnetic disk |
| Answer» B. registers | |
| 74. |
The first digital computer built with IC chips was known as |
| A. | ibm 7090 |
| B. | apple – 1 |
| C. | ibm system / 360 |
| D. | vax-10 |
| Answer» C. ibm system / 360 | |
| 75. |
Which of the following terms is the most closely related to main memory? |
| A. | non volatile |
| B. | permanent |
| C. | control unit |
| D. | temporary |
| Answer» D. temporary | |
| 76. |
Which of the following is used for manufacturing chips? |
| A. | control bus |
| B. | control unit |
| C. | parity unit |
| D. | semiconductor |
| Answer» D. semiconductor | |
| 77. |
To locate a data item for storage is |
| A. | field |
| B. | feed |
| C. | database |
| D. | fetch |
| Answer» D. fetch | |
| 78. |
A directly accessible appointment calendar is feature of a … resident package |
| A. | cpu |
| B. | memory |
| C. | buffer |
| D. | alu |
| Answer» B. memory | |
| 79. |
The term gigabyte refers to |
| A. | 1024 bytes |
| B. | 1024 kilobytes |
| C. | 1024 megabytes |
| D. | 1024 gigabyte |
| Answer» C. 1024 megabytes | |
| 80. |
A/n …. Device is any device that provides information, which is sent to the CPU |
| A. | input |
| B. | output |
| C. | cpu |
| D. | memory |
| Answer» A. input | |
| 81. |
Current SIMMs have either … or … connectors (pins) |
| A. | 9 or 32 |
| B. | 30 or 70 |
| C. | 28 or 72 |
| D. | 30 or 72 |
| Answer» D. 30 or 72 | |
| 82. |
What is the store by register? |
| A. | data |
| B. | operands |
| C. | memory |
| D. | none of these |
| Answer» A. data | |
| 83. |
Accumulator based microprocessor example are: |
| A. | intel 8085 |
| B. | motorola 6809 |
| C. | a and b |
| D. | none of these |
| Answer» C. a and b | |
| 84. |
A set of register which contain are: |
| A. | data |
| B. | memory addresses |
| C. | result |
| D. | all of these |
| Answer» D. all of these | |
| 85. |
There are primarily two types of register: |
| A. | general purpose register |
| B. | dedicated register |
| C. | a and b |
| D. | none of these |
| Answer» C. a and b | |
| 86. |
Name of typical dedicated register is: |
| A. | pc |
| B. | ir |
| C. | sp |
| D. | all of these |
| Answer» D. all of these | |
| 87. |
BCD stands for: |
| A. | binary coded decimal |
| B. | binary coded decoded |
| C. | both a & b |
| D. | none of these |
| Answer» A. binary coded decimal | |
| 88. |
Which is used to store critical pieces of data during subroutines and interrupts: |
| A. | stack |
| B. | queue |
| C. | accumulator |
| D. | data register |
| Answer» A. stack | |
| 89. |
The data in the stack is called: |
| A. | pushing data |
| B. | pushed |
| C. | pulling |
| D. | none of these |
| Answer» A. pushing data | |
| 90. |
The external system bus architecture is created using from ______ architecture: |
| A. | pascal |
| B. | dennis ritchie |
| C. | charles babbage |
| D. | von neumann |
| Answer» D. von neumann | |
| 91. |
Which is not the control bus signal: |
| A. | read |
| B. | write |
| C. | reset |
| D. | none of these |
| Answer» C. reset | |
| 92. |
PROM stands for: |
| A. | programmable read-only memory |
| B. | programmable read write memory |
| C. | programmer read and write memory |
| D. | none of these |
| Answer» A. programmable read-only memory | |
| 93. |
EPROM stands for: |
| A. | erasable programmable read-only memory |
| B. | ectrically programmable read write memory |
| C. | electrically programmable read-only memory |
| D. | none of these |
| Answer» A. erasable programmable read-only memory | |
| 94. |
Each memory location has: |
| A. | address |
| B. | contents |
| C. | both a and b |
| D. | none of these |
| Answer» C. both a and b | |
| 95. |
Which is the type of microcomputer memory: |
| A. | processor memory |
| B. | primary memory |
| C. | secondary memory |
| D. | all of these |
| Answer» D. all of these | |
| 96. |
Secondary memory can store____: |
| A. | program store code |
| B. | compiler |
| C. | operating system |
| D. | all of these |
| Answer» D. all of these | |
| 97. |
Secondary memory is also called____: |
| A. | auxiliary |
| B. | backup store |
| C. | both a and b |
| D. | none of these |
| Answer» C. both a and b | |
| 98. |
The RAM which is created using bipolar transistors is called: |
| A. | dynamic ram |
| B. | static ram |
| C. | permanent ram |
| D. | ddr ram |
| Answer» B. static ram | |
| 99. |
Which type of RAM needs regular referred: |
| A. | dynamic ram |
| B. | static ram |
| C. | permanent ram |
| D. | sd ram |
| Answer» A. dynamic ram | |
| 100. |
Which RAM is created using MOS transistors: |
| A. | dynamic ram |
| B. | static ram |
| C. | permanent ram |
| D. | sd ram |
| Answer» A. dynamic ram | |
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