MCQOPTIONS
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MCQOPTIONS
This section includes 90 Mcqs, each offering curated multiple-choice questions to sharpen your Bachelor of Sc in Computer Science FY knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
Microprocessor reference that are not available in the cache are called_________: |
| A. | cache hits |
| B. | cache line |
| C. | cache misses |
| D. | cache memory |
| Answer» D. cache memory | |
| 52. |
________ is usually the first level of memory access by the microprocessor: |
| A. | cache memory |
| B. | data memory |
| C. | main memory |
| D. | all of these |
| Answer» B. data memory | |
| 53. |
Which are the factor of cache memory: |
| A. | architecture of the microprocessor |
| B. | properties of the programs being executed |
| C. | size organization of the cache |
| D. | all of these |
| Answer» E. | |
| 54. |
The offset of a particular segment varies from _________: |
| A. | 000h to fffh |
| B. | 0000h to ffffh |
| C. | 00h to ffh |
| D. | 00000h to fffffh |
| Answer» C. 00h to ffh | |
| 55. |
NMI stand for: |
| A. | non mask able interrupt |
| B. | non mistake interrupt |
| C. | both |
| D. | none of these |
| Answer» B. non mistake interrupt | |
| 56. |
SI stand for: |
| A. | stand index |
| B. | source index |
| C. | segment index |
| D. | simple index |
| Answer» C. segment index | |
| 57. |
DI stand for: |
| A. | destination index |
| B. | defect index |
| C. | definition index |
| D. | delete index |
| Answer» B. defect index | |
| 58. |
EA stand for: |
| A. | effective address |
| B. | electrical address |
| C. | effect address |
| D. | none of these |
| Answer» B. electrical address | |
| 59. |
The pin configuration of 8086 is available in the________: |
| A. | 40 pin |
| B. | 50 pin |
| C. | 30 pin |
| D. | 20 pin |
| Answer» B. 50 pin | |
| 60. |
The _______ address of a memory is a 20 bit address for the 8086 microprocessor: |
| A. | physical |
| B. | logical |
| C. | both |
| D. | none of these |
| Answer» B. logical | |
| 61. |
How many type of addressing in memory: |
| A. | logical address |
| B. | physical address |
| C. | both a and b |
| D. | none of these |
| Answer» D. none of these | |
| 62. |
How many bits the instruction pointer is wide: |
| A. | 16 bit |
| B. | 32 bit |
| C. | 64 bit |
| D. | 128 bit |
| Answer» B. 32 bit | |
| 63. |
The acculatator is 16 bit wide and is called: |
| A. | ax |
| B. | ah |
| C. | al |
| D. | dl |
| Answer» B. ah | |
| 64. |
DS Stand for: |
| A. | data segment |
| B. | direct segment |
| C. | declare segment |
| D. | divide segment |
| Answer» B. direct segment | |
| 65. |
CS Stand for: |
| A. | code segment |
| B. | coot segment |
| C. | cost segment |
| D. | counter segment |
| Answer» B. coot segment | |
| 66. |
IP Stand for: |
| A. | instruction pointer |
| B. | instruction purpose |
| C. | instruction paints |
| D. | none of these |
| Answer» B. instruction purpose | |
| 67. |
Eight of the register are known as: |
| A. | general- purpose register |
| B. | pointer or index registers |
| C. | segment registers |
| D. | other register |
| Answer» B. pointer or index registers | |
| 68. |
EU STAND FOR: |
| A. | execution unit |
| B. | execute unit |
| C. | exchange unit |
| D. | none of these |
| Answer» B. execute unit | |
| 69. |
BIU STAND FOR: |
| A. | bus interface unit |
| B. | bess interface unit |
| C. | a and b |
| D. | none of these |
| Answer» B. bess interface unit | |
| 70. |
The CPU removes the ___ signal to complete the memory write operation: |
| A. | read |
| B. | write |
| C. | both a and b |
| D. | none of these |
| Answer» B. write | |
| 71. |
The CPU sends out a ____ signal to indicate that valid data is available on the data bus: |
| A. | read |
| B. | write |
| C. | both a and b |
| D. | none of these |
| Answer» C. both a and b | |
| 72. |
Which RAM is created using MOS transistors: |
| A. | dynamic ram |
| B. | static ram |
| C. | permanent ram |
| D. | sd ram |
| Answer» B. static ram | |
| 73. |
Which type of RAM needs regular referred: |
| A. | dynamic ram |
| B. | static ram |
| C. | permanent ram |
| D. | sd ram |
| Answer» B. static ram | |
| 74. |
The RAM which is created using bipolar transistors is called: |
| A. | dynamic ram |
| B. | static ram |
| C. | permanent ram |
| D. | ddr ram |
| Answer» C. permanent ram | |
| 75. |
Secondary memory is also called____: |
| A. | auxiliary |
| B. | backup store |
| C. | both a and b |
| D. | none of these |
| Answer» D. none of these | |
| 76. |
Secondary memory can store____: |
| A. | program store code |
| B. | compiler |
| C. | operating system |
| D. | all of these |
| Answer» E. | |
| 77. |
Which is the type of microcomputer memory: |
| A. | processor memory |
| B. | primary memory |
| C. | secondary memory |
| D. | all of these |
| Answer» E. | |
| 78. |
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» B. ectrically programmable read write memory | |
| 79. |
PROM stands for: |
| A. | programmable read-only memory |
| B. | programmable read write memory |
| C. | programmer read and write memory |
| D. | none of these |
| Answer» B. programmable read write memory | |
| 80. |
The processor 80386/80486 and the Pentium processor uses _____ bits address bus: |
| A. | 16 |
| B. | 32 |
| C. | 36 |
| D. | 64 |
| Answer» C. 36 | |
| 81. |
The external system bus architecture is created using from ______ architecture: |
| A. | pascal |
| B. | dennis ritchie |
| C. | charles babbage |
| D. | von neumann |
| Answer» E. | |
| 82. |
Which is not the control bus signal: |
| A. | read |
| B. | write |
| C. | reset |
| D. | none of these |
| Answer» D. none of these | |
| 83. |
The data in the stack is called: |
| A. | pushing data |
| B. | pushed |
| C. | pulling |
| D. | none of these |
| Answer» B. pushed | |
| 84. |
Which is used to store critical pieces of data during subroutines and interrupts: |
| A. | stack |
| B. | queue |
| C. | accumulator |
| D. | data register |
| Answer» B. queue | |
| 85. |
Name of typical dedicated register is: |
| A. | pc |
| B. | ir |
| C. | sp |
| D. | all of these |
| Answer» E. | |
| 86. |
There are primarily two types of register: |
| A. | general purpose register |
| B. | dedicated register |
| C. | a and b |
| D. | none of these |
| Answer» D. none of these | |
| 87. |
A set of register which contain are: |
| A. | data |
| B. | memory addresses |
| C. | result |
| D. | all of these |
| Answer» E. | |
| 88. |
Accumulator based microprocessor example are: |
| A. | intel 8085 |
| B. | motorola 6809 |
| C. | a and b |
| D. | none of these |
| Answer» D. none of these | |
| 89. |
Which is the microprocessor comprises: |
| A. | register section |
| B. | one or more alu |
| C. | control unit |
| D. | all of these |
| Answer» E. | |
| 90. |
What is the store by register? |
| A. | data |
| B. | operands |
| C. | memory |
| D. | none of these |
| Answer» B. operands | |