Magnetic Disk and Flash Storage MCQ

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

• The logical to physical page mapping is represented in a ____________
  ক

  Logic physical table

  খ

  Transition table

  গ

  Wear leveling table

  ঘ

  Logic log table
• State true or false: NOR flash is cheaper than NAND flash
  ক

  True

  খ

  False
• Files that support log disks are called as ________
  ক

  Logging file systems

  খ

  Jorte File Systems

  গ

  Journaling File Systems

  ঘ

  Channelizing File Systems
• What is an NVRAM?
  ক

  RAM which is non-volatile in nature

  খ

  RAM whose data is not lost during power failures

  গ

  RAM that significantly speeds up data transfers

  ঘ

  All of the mentioned
• What is buffering?
  ক

  The blocks read from disk are directly accessed

  খ

  The blocks read from disk are temporarily stored in a memory

  গ

  The blocks read from disk are organized in a particular fashion to cater requests.

  ঘ

  None of the mentioned
• Which of the following is a measure of reliability of a disk?
  ক

  Seek time

  খ

  Average latency time

  গ

  Mean time to failure

  ঘ

  Average seek time
• The time for repositioning the arm is called as _________
  ক

  Seek time

  খ

  Access time

  গ

  Reposition time

  ঘ

  Latency time
• The time from when a read or write request is issued to when the actual data transfer begins is called _______
  ক

  Seek time

  খ

  Access time

  গ

  Average latency time

  ঘ

  Data transfer rate
• When a large number of disks are connected by a high speed network to a number of server computers, it is known as ________ architecture
  ক

  Storage area network

  খ

  High performance network

  গ

  Multiple disk network

  ঘ

  Local area network
• Which of the following is a part of the Magnetic disk assembly?
  ক

  Spindle

  খ

  Read write head

  গ

  Arm

  ঘ

  All of the mentioned
• DVD is a form of ______ storage
  ক

  Magnetic storage

  খ

  USB storage

  গ

  Tape storage

  ঘ

  Optical storage
• What is the full form of USB?
  ক

  Universal Serial Binary

  খ

  Universal Storage Base

  গ

  Universal Serial Bus

  ঘ

  Uninterrupted Service Bus
• What is the difference between flash memory and main memory?
  ক

  Data is retained in flash memory

  খ

  Data access is faster in flash memory

  গ

  Data storage is very large in flash memory

  ঘ

  None of the mentioned
• Statement 1: Cache storage is very fast Statement 2: Cache storage is very cheap
  ক

  Both the statements are true

  খ

  Statement 1 is true but statement 2 is false

  গ

  Statement 1 is false but statement 2 is true

  ঘ

  Both the statements are false
• Hybrid disk drives are hard-disk systems that combine magnetic storage with a smaller amount of flash memory, which is used as a cache for frequently accessed data.
  ক

  Hybrid drivers

  খ

  Disk drivers

  গ

  Hybrid disk drivers

  ঘ

  All of the mentioned
• In Flash memory, the erase operation can be performed on a number of pages, called an _______ at once, and takes about 1 to 2 milliseconds.
  ক

  Delete block

  খ

  Erase block

  গ

  Flash block

  ঘ

  Read block
• Once the head has reached the desired track, the time spent waiting for the sector to be accessed to appear under the head is called the _______________
  ক

  Access time

  খ

  Average seek time

  গ

  Seek time

  ঘ

  Rotational latency time
• _________ is around one-half of the maximum seek time.
  ক

  Access time

  খ

  Average seek time

  গ

  Seek time

  ঘ

  Rotational latency time
• The time for repositioning the arm is called the ________ and it increases with the distance that the arm must move.
  ক

  Access time

  খ

  Average seek time

  গ

  Seek time

  ঘ

  Rotational latency time
• _________ is the time from when a read or write request is issued to when data transfer begins.
  ক

  Access time

  খ

  Average seek time

  গ

  Seek time

  ঘ

  Rotational latency time
• The disk controller uses ________ at each sector to ensure that the data is not corrupted on data retrieval.
  ক

  Checksum

  খ

  Unit drive

  গ

  Read disk

  ঘ

  Readsum
• The disk platters mounted on a spindle and the heads mounted on a disk arm are together known as ___________
  ক

  Read-disk assemblies

  খ

  Head–disk assemblies

  গ

  Head-write assemblies

  ঘ

  Read-read assemblies
• A __________ is the smallest unit of information that can be read from or written to the disk.
  ক

  Track

  খ

  Spindle

  গ

  Sector

  ঘ

  Platter
• In magnetic disk ________ stores information on a sector magnetically as reversals of the direction of magnetization of the magnetic material.
  ক

  Read–write head

  খ

  Read-assemble head

  গ

  Head–disk assemblies

  ঘ

  Disk arm