Segmentation MCQ

Test your knowledge with important Segmentation MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Segmentation MCQs at Bissoy

• A multilevel page table is preferred in comparison to a single level page table for translating virtual address to physical address because ____________
  ক

  it reduces the memory access time to read or write a memory location

  খ

  it helps to reduce the size of page table needed to implement the virtual address space of a process

  গ

  it is required by the translation lookaside buffer

  ঘ

  it helps to reduce the number of page faults in page replacement algorithms
• Consider a computer with 8 Mbytes of main memory and a 128K cache. The cache block size is 4 K. It uses a direct mapping scheme for cache management. How many different main memory blocks can map onto a given physical cache block?
  ক

  2048

  খ

  256

  গ

  64

  ঘ

  8
• If there are 32 segments, each of size 1Kb, then the logical address should have ____________
  ক

  13 bits

  খ

  14 bits

  গ

  15 bits

  ঘ

  16 bits
• The protection bit is 0/1 based on ____________
  ক

  write only

  খ

  read only

  গ

  read – write

  ঘ

  none of the mentioned
• When the entries in the segment tables of two different processes point to the same physical location ____________
  ক

  the segments are invalid

  খ

  the processes get blocked

  গ

  segments are shared

  ঘ

  all of the mentioned
• If the offset is legal ____________
  ক

  it is used as a physical memory address itself

  খ

  it is subtracted from the segment base to produce the physical memory address

  গ

  it is added to the segment base to produce the physical memory address

  ঘ

  none of the mentioned
• The offset ‘d’ of the logical address must be ____________
  ক

  greater than segment limit

  খ

  between 0 and segment limit

  গ

  between 0 and the segment number

  ঘ

  greater than the segment number
• The segment limit contains the ____________
  ক

  starting logical address of the process

  খ

  starting physical address of the segment in memory

  গ

  segment length

  ঘ

  none of the mentioned
• The segment base contains the ____________
  ক

  starting logical address of the process

  খ

  starting physical address of the segment in memory

  গ

  segment length

  ঘ

  none of the mentioned
• Each entry in a segment table has a ____________
  ক

  segment base

  খ

  segment peak

  গ

  segment value

  ঘ

  none of the mentioned
• In paging the user provides only ________ which is partitioned by the hardware into ________ and ______
  ক

  one address, page number, offset

  খ

  one offset, page number, address

  গ

  page number, offset, address

  ঘ

  none of the mentioned
• In segmentation, each address is specified by ____________
  ক

  a segment number & offset

  খ

  an offset & value

  গ

  a value & segment number

  ঘ

  a key & value
• The total descriptors that the 80386 can handle is
  ক

  2K

  খ

  8K

  গ

  4K

  ঘ

  16K
• The starting address of the segment in physical memory is decided by
  ক

  physical memory

  খ

  segment descriptors

  গ

  operating system

  ঘ

  base address
• The limit field of the descriptor is of
  ক

  10 bits

  খ

  8 bits

  গ

  16 bits

  ঘ

  20 bits
• Which of the following is not a type of segment descriptor?
  ক

  system descriptors

  খ

  local descriptors

  গ

  gate descriptors

  ঘ

  none
• The segment descriptor contains
  ক

  access rights

  খ

  limit

  গ

  base address

  ঘ

  all of the mentioned
• If the Default operation size bit, D=1, the code segment operation size selected is
  ক

  8-bit

  খ

  16-bit

  গ

  32-bit

  ঘ

  64-bit
• The bit that indicates whether the segment is page addressable is
  ক

  base address

  খ

  attribute bit

  গ

  present bit

  ঘ

  granularity bit
• If the segment descriptor bit, S=0, then the descriptor is
  ক

  data segment descriptor

  খ

  code segment descriptor

  গ

  system descriptor

  ঘ

  all of the mentioned
• The TYPE field of a descriptor is used to find the
  ক

  descriptor type

  খ

  segment type

  গ

  descriptor and segment type

  ঘ

  none
• The bit that indicates whether the segment has been accessed by the CPU or not is
  ক

  base address

  খ

  attribute bit

  গ

  present bit

  ঘ

  granular bit