MCQ IN COMPUTER SCIENCE & ENGINEERING

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COMPUTER SCIENCE AND ENGINEERING

SYSTEM SOFTWARE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Amin buys a new computer with an operating system and some utilities.The table below shows some of the utilities in Amin’s computer.AntivirusDefragmenterFile TransferFirewallIs Defragmenter used for Security or Disk Organisation?
A
Security
B
Disk Organisation
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -Microsoft Drive Optimizer (formerly Disk Defragmenter) is a utility in Microsoft Windows designed to increase data access speed by rearranging files stored on a disk to occupy contiguous storage locations, a technique called defragmentation.

Detailed explanation-2: -Disk defragmentation helps rearrange the files on the disk to contiguous spaces and thus improve disk performance.

Detailed explanation-3: -Defragmentation is the process of consolidating fragmented files on the user’s hard drive.

Detailed explanation-4: -Defragmentation is the process of locating the noncontiguous fragments of data into which a computer file may be divided as it is stored on a hard disk, and rearranging the fragments and restoring them into fewer fragments or into the whole file.

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