Selected MCQ

Current Question
Information on a hard disk is usually backed up using a?
  • A. CD-ROM
  • B. Magnetic tape
  • C. Floppy disk
  • D. All of these
Correct Answer: A
Explanation:
CD-ROM (and other optical media) is a common backup medium.
Related Question 1
A hard disk is divided into tracks which are further subdivided into ____.
  • A. Sectors
  • B. Clusters
  • C. Vectors
  • D. None of these
Correct Answer: A
Explanation:
Tracks are divided into sectors.
Related Question 2
A hard disk becomes totally inaccessible when a computer virus corrupts its ____.
  • A. Boot Sector
  • B. Partition table
  • C. File Allocation Table
  • D. None of these
Correct Answer: C
Explanation:
Corruption of the File Allocation Table makes the hard disk inaccessible.
Related Question 3
An optical disk is an electronic data storage medium that can be written and read from using a ____.
  • A. Low-power laser beam
  • B. High-power laser beam
  • C. Strong power laser beam
  • D. All of these
Correct Answer: A
Explanation:
Optical disks use a low-power laser beam for reading/writing.
Related Question 4
The first hard disk was invented by which company?
  • A. Apple
  • B. Microsoft
  • C. Seagate
  • D. IBM
Correct Answer: D
Explanation:
IBM invented the first hard disk drive in 1956.
Related Question 5
Computers process data into information by working exclusively with ____.
  • A. Multimedia
  • B. Word
  • C. Numbers
  • D. Characters
Correct Answer: C
Explanation:
At the hardware level, computers work with binary numbers.