MCQOPTIONS
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MCQOPTIONS
This section includes 950 Mcqs, each offering curated multiple-choice questions to sharpen your Computer Science Engineering (CSE) knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
The offset used in the conditional branching is bit. |
| A. | 24 |
| B. | 32 |
| C. | 16 |
| D. | 8 |
| Answer» B. 32 | |
| 52. |
The DMA doesn’t make use of the MMU for bulk data transfers. |
| A. | true |
| B. | false |
| Answer» C. | |
| 53. |
The spatial aspect of the locality of reference means ________ |
| A. | That the recently executed instruction is executed again next |
| B. | That the recently executed won’t be executed again |
| C. | That the instruction executed will be executed at a later time |
| D. | That the instruction in close proximity of the instruction executed will be executed in future |
| Answer» E. | |
| 54. |
constitute the representation of the floating number. |
| A. | sign |
| B. | significant digits |
| C. | scale factor |
| D. | all of the mentioned |
| Answer» E. | |
| 55. |
is used to implement virtual memory organisation. |
| A. | page table |
| B. | frame table |
| C. | mmu |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 56. |
is used to reset all the device controls to their startup state. |
| A. | srt |
| B. | rst |
| C. | atn |
| D. | none of the mentioned |
| Answer» C. atn | |
| 57. |
circuit is used to restore the capacitor value. |
| A. | sense amplify |
| B. | signal amplifier |
| C. | delta modulator |
| D. | none of the mentioned |
| Answer» B. signal amplifier | |
| 58. |
the most suitable data structure used to store the return addresses in the case of nested subroutines. |
| A. | heap |
| B. | stack |
| C. | queue |
| D. | list |
| Answer» C. queue | |
| 59. |
The I/O devices form the of the tree structure. |
| A. | leaves |
| B. | subordinate roots |
| C. | left subtrees |
| D. | right subtrees |
| Answer» B. subordinate roots | |
| 60. |
The code sent by the device in vectored interrupt is long. |
| A. | upto 16 bits |
| B. | upto 32 bits |
| C. | upto 24 bits |
| D. | 4-8 bits |
| Answer» E. | |
| 61. |
Complete the following analogy:- Registers are to RAM’s as Cache’s are to |
| A. | system stacks |
| B. | overlays |
| C. | page table |
| D. | tlb |
| Answer» E. | |
| 62. |
The USB address space can be shared by the user’s memory space. |
| A. | true |
| B. | false |
| Answer» C. | |
| 63. |
The device can send a message to the host by taking part in for the communication path. |
| A. | arbitration |
| B. | polling |
| C. | prioritizing |
| D. | none of the mentioned |
| Answer» C. prioritizing | |
| 64. |
is used to deal with the difference in the transfer rates between the drive and the bus. |
| A. | data repeaters |
| B. | enhancers |
| C. | data buffers |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 65. |
_____ addressing mode is most suitable to change the normal sequence of execution of instructions. |
| A. | Relative |
| B. | Indirect |
| C. | Index with Offset |
| D. | Immediate |
| Answer» B. Indirect | |
| 66. |
signal is used to enable commands. |
| A. | frame# |
| B. | irdy# |
| C. | tmy# |
| D. | c/be# |
| Answer» E. | |
| 67. |
provides a separate physical connection to the memory. |
| A. | pci bus |
| B. | pci interface |
| C. | pci bridge |
| D. | switch circuit |
| Answer» D. switch circuit | |
| 68. |
During a write operation if the required block is not present in the cache then occurs. |
| A. | write latency |
| B. | write hit |
| C. | write delay |
| D. | write miss |
| Answer» E. | |
| 69. |
directive specifies the start of the execution. |
| A. | start |
| B. | entry |
| C. | main |
| D. | origin |
| Answer» C. main | |
| 70. |
The address space is 22 bits the memory is 32 bit word addressable what is the memory size |
| A. | 16MB |
| B. | 512KB |
| C. | 4MB |
| D. | 1GB |
| Answer» B. 512KB | |
| 71. |
A hard disk with 20 surfaces will have heads. |
| A. | 10 |
| B. | 5 |
| C. | 1 |
| D. | 20 |
| Answer» E. | |
| 72. |
symbol is used to signify write back mode. |
| A. | # |
| B. | ^ |
| C. | & |
| D. | ! |
| Answer» E. | |
| 73. |
If we want to perform memory or arithmetic operations on data in Hexa- decimal mode then we use symbol before the operand. |
| A. | ~ |
| B. | ! |
| C. | $ |
| D. | * |
| Answer» D. * | |
| 74. |
serves as an intermediary between the device and the BUSes. |
| A. | interface circuits |
| B. | device drivers |
| C. | buffers |
| D. | none of the mentioned |
| Answer» B. device drivers | |
| 75. |
bus structure is usually used to connect I/O devices. |
| A. | single bus |
| B. | multiple bus |
| C. | star bus |
| D. | rambus |
| Answer» B. multiple bus | |
| 76. |
In set-associative technique, the blocks are grouped into sets. |
| A. | 4 |
| B. | 8 |
| C. | 12 |
| D. | 6 |
| Answer» E. | |
| 77. |
Signals whose names end in are asserted in the low voltage state. |
| A. | $ |
| B. | # |
| C. | * |
| D. | ! |
| Answer» C. * | |
| 78. |
In associative mapping during LRU, the counter of the new block is set to ‘0’ and all the others are incremented by one, when occurs. |
| A. | delay |
| B. | miss |
| C. | hit |
| D. | delayed hit |
| Answer» C. hit | |
| 79. |
are numbers and encoded characters, generally used as operands. |
| A. | input |
| B. | data |
| C. | information |
| D. | stored values |
| Answer» C. information | |
| 80. |
is used to choose between incrementing the PC or performing ALU operations. |
| A. | conditional codes |
| B. | multiplexer |
| C. | control unit |
| D. | none of the mentioned |
| Answer» C. control unit | |
| 81. |
The difference in the address and data connection between DRAM’s and SDRAM’s is |
| A. | the usage of more number of pins in sdram’s |
| B. | the requirement of more address lines in sdram’s |
| C. | the usage of a buffer in sdram’s |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 82. |
When DRAM’s are used to build a complex large memory, then the controller only provides the refresh counter. |
| A. | true |
| B. | false |
| Answer» B. false | |
| 83. |
The less space consideration as lead to the development of (for large memories). |
| A. | simm’s |
| B. | dims’s |
| C. | sram’s |
| D. | both simm’s and dims’s |
| Answer» E. | |
| 84. |
A narrow SCSI BUS has data lines. |
| A. | 6 |
| B. | 8 |
| C. | 16 |
| D. | 4 |
| Answer» C. 16 | |
| 85. |
In SDRAM’s buffers are used to store data that is read or written. |
| A. | true |
| B. | false |
| Answer» B. false | |
| 86. |
The serial port is used to connect basically and processor. |
| A. | i/o devices |
| B. | speakers |
| C. | printer |
| D. | monitor |
| Answer» B. speakers | |
| 87. |
ISO stands for |
| A. | international standards organisation |
| B. | international software organisation |
| C. | industrial standards organisation |
| D. | industrial software organisation |
| Answer» B. international software organisation | |
| 88. |
register is designated to point to the 68000 processor stack. |
| A. | a7 register |
| B. | b2 register |
| C. | there is no such designation |
| D. | any general purpose register is selected at random |
| Answer» B. b2 register | |
| 89. |
______ has been developed specifically for pipelined systems. |
| A. | Utility software |
| B. | Speed up utilities |
| C. | Optimizing compilers |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 90. |
If two devices A and B contesting for the BUS have ID’s 5 and 6 respectively, which device gets the BUS based on the Distributed arbitration. |
| A. | device a |
| B. | device b |
| C. | insufficient information |
| D. | none of the mentioned |
| Answer» C. insufficient information | |
| 91. |
The LINK instruction is always followed by instruction. |
| A. | mov |
| B. | unlk |
| C. | org |
| D. | movem |
| Answer» E. | |
| 92. |
IDE disk is connected to the PCI BUS using interface. |
| A. | isa |
| B. | iso |
| C. | ansi |
| D. | ieee |
| Answer» B. iso | |
| 93. |
is/are types of exceptions. |
| A. | trap |
| B. | interrupt |
| C. | system calls |
| D. | all of the mentioned |
| Answer» E. | |
| 94. |
As of 2000, the reference system to find the SPEC rating are built with Processor. |
| A. | intel atom sparc 300mhz |
| B. | ultra sparc -iii 300mhz |
| C. | amd neutrino series |
| D. | asus a series 450 mhz |
| Answer» C. amd neutrino series | |
| 95. |
The small extremely fast, RAM’s are called as |
| A. | cache |
| B. | heaps |
| C. | accumulators |
| D. | stacks |
| Answer» B. heaps | |
| 96. |
Each instruction in ARM machines is encoded into Word. |
| A. | 2 byte |
| B. | 3 byte |
| C. | 4 byte |
| D. | 8 byte |
| Answer» D. 8 byte | |
| 97. |
The logic operations are implemented using circuits. |
| A. | bridge |
| B. | logical |
| C. | combinatorial |
| D. | gate |
| Answer» D. gate | |
| 98. |
pointer is used to point to parameters passed or local parameters of the subroutine. |
| A. | stack pointer |
| B. | frame pointer |
| C. | parameter register |
| D. | log register |
| Answer» C. parameter register | |
| 99. |
A USB pipe is a channel. |
| A. | simplex |
| B. | half-duplex |
| C. | full-duplex |
| D. | both simplex and full-duplex |
| Answer» D. both simplex and full-duplex | |
| 100. |
pushes the heads away from the surface as they rotate at their standard rates. |
| A. | magnetic tension |
| B. | electric force |
| C. | air pressure |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |