Operating System Basics Questions and Answers

Practice Mode
Showing 10 of 563 questions
Q431
The RAID schemd indicate
  • A Random access of information data.
  • B Random array of independent disks.
  • C Redundant array of independent disks.
  • D Redundant access of information data.
Answer: Option D
Q432
Which of the RAID level does not employ independent access technique ?
  • A RAID 6
  • B RAID 5
  • C RAID 4
  • D RAID 3
Answer: Option D
Q433
Which of the followig RAID level uses independehnt access technique and distributes the parity strips across all disks ?
  • A Two
  • B Three
  • C Four
  • D Five
Answer: Option D
Q434
Cache memory is
  • A Bigger and slower than main memory
  • B Bigger and faster that main memory
  • C Smaller and slower than main memory
  • D Smaller and faster then main memory
Answer: Option D
Q435
By principle of locality, cache memory
  • A Increases average memory access time.
  • B Reduces average memory access time
  • C Does not affect the average memory access time
  • D None of these
Answer: Option B
Q436
Following is not true for disk cache
  • A It is a buffer in main memory for disk sector
  • B It contains the copy of some of the sector on the disk
  • C It is biger is size than main memory
  • D it is smaller is size than main memory
Answer: Option C
Q437
In disk storage devices, data are recordedon and later retrieved from disk via a conducting coil named
  • A Tail
  • B Foot
  • C Head
  • D Hand
Answer: Option C
Q438
In disk storage devices during read and write operation
  • A Head is rotate while platter is stationary
  • B Head is stationary while platter rotates
  • C Head and platter are both stationary
  • D None is true
Answer: Option B
Q439
In magnetic disk, density that is in bits per linear inch
  • A Increase in moving from the uter most track to the inner most track
  • B Deceases in moving from the outer most track to the inner most track
  • C Ramains same in moving from the outer most track to the inner most track.
  • D Randomly distributed in moving from outer most track to the inner most track.
Answer: Option A
Q440
Data from and to magnetic disk is transformed in
  • A Continuation
  • B Blocks
  • C Blocka and continuation both
  • D None of these
Answer: Option B

📚 More from Technical

← All Topics 🎯 Practice ⏱️ Take Test 🔍 Search
Technical
Back to Technical
Other Subjects
Questions and Answers for Competitive Exams Various Entrance Test