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Computer Aptitude

COMPUTER STORAGE MCQs

Total Questions : 30 | Page 1 of 3 pages
Question 1.

Which of the following computer’s memory is characterized by low cost per bit stored?

  1.    Primary
  2.    Floppy disk
  3.    Hard disk
  4.    (1) and (3)
  5.    secondary
 Discuss Question
Answer: Option E. -> secondary
Question 2.

Cassette tape is

  1.    a primary storage medium
  2.    a secondary storage medium
  3.    a volatile storage medium
  4.    a tertiary storage medium
  5.    None of the above
 Discuss Question
Answer: Option B. -> a secondary storage medium
Question 3.

Diskette is a

  1.    low cost, thin flexible magnetic disk storage device
  2.    high volume storage device
  3.    primary storage device
  4.    All of the above
  5.    None of the above
 Discuss Question
Answer: Option A. -> low cost, thin flexible magnetic disk storage device
Question 4.

A storage device where the access time is effectively independent of the location of the data is referred as

  1.    Direct access
  2.    Secondary storage
  3.    Primary storage
  4.    Indirect access
  5.    None of these
 Discuss Question
Answer: Option A. -> Direct access
Question 5.

Which of the following is the magnetic storage device?

  1.    Hard disk
  2.    Compact disk
  3.    Audio tapes
  4.    All of these
  5.    (1) and (3)
 Discuss Question
Answer: Option D. -> All of these
Magnetic storage devices: These are devices that store data using magnetic patterns. The data is written onto the magnetic surface in the form of tiny magnetized regions that can be read by the device's read/write head. The strength and polarity of the magnetic field determine the values of the binary data. There are two types of magnetic storage devices, namely, hard disk drives (HDD) and magnetic tape storage.
Let's understand how each of the given options uses magnetic storage:
A. Hard Disk: A hard disk is a primary storage device that uses magnetic storage to store and retrieve digital information using one or more rigid rapidly rotating disks (platters) coated with magnetic material. Hard disks use read-write heads to read and write data on the spinning platters. The read/write head accesses the data by sensing the changes in the magnetic field caused by the magnetized regions.
B. Compact Disk: A compact disk (CD) uses optical storage to store digital data, but the process of writing the data onto a CD involves a magnetic process. The CD writer uses a laser to burn pits onto the surface of the disk, which can be read by a CD player. These pits are created by heating the disk's surface with a laser, which magnetizes the disk's surface in a specific pattern.
C. Audio Tapes: Audio tapes are also an example of magnetic storage devices. They use a thin plastic strip coated with a magnetic material that records audio signals onto the tape. The tape is passed through a magnetic head, which reads the magnetized regions on the tape and converts them into audio signals.
In conclusion, all of the given options (hard disk, compact disk, and audio tapes) are magnetic storage devices, as they all use magnetic patterns to store and retrieve digital information.
Question 6.

A secondary storage device that uses a long plastic strip coated with a magnetic material as a recording medium is

  1.    magnetic tape
  2.    compact disk
  3.    hard disk
  4.    All of these
  5.    None of these
 Discuss Question
Answer: Option A. -> magnetic tape
Question 7.

Which of the following is a non-volatile storage device?

  1.    Magnetic tape 
  2.    Compact disk
  3.    Floppy disk
  4.    All of these
  5.    None of these
 Discuss Question
Answer: Option D. -> All of these
Question 8.

Which of the following storage device can be transported?

  1.    Hard disk
  2.    System cabinet
  3.    Diskette/CD’s
  4.    Main memory
  5.    None of these
 Discuss Question
Answer: Option E. -> None of these
Question 9.

Where is the disk put to enable the computer to read it?

  1.    Disk drive
  2.    Memory
  3.    CPU
  4.    ALU
  5.    (3) and (4)
 Discuss Question
Answer: Option A. -> Disk drive
Question 10.

The main directory of a disk is called the ........... directory.

  1.    root
  2.    sub
  3.    folder
  4.    network
  5.    None of these
 Discuss Question
Answer: Option A. -> root

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