MCQ IN COMPUTER SCIENCE & ENGINEERING

COMPUTER SCIENCE AND ENGINEERING

SYSTEM SOFTWARE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A backup program ____
A
makes a copy of files you select.
B
returns you to the previous program
C
undoes the last change you made
D
none of the above
Explanation: 

Detailed explanation-1: -A file backup occurs when you store copies of your critical system and personal files on a hard drive or auxiliary storage device, such as an external backup or flash drive. Creating backups is a critical step in computer maintenance to protect your data in the event of system failure or file corruption.

Detailed explanation-2: -A backup copy is a duplicate instance of a data file, application, system or server that’s created using backup software. It’s used as a means to restore original data in case it’s deleted, corrupted or lost.

Detailed explanation-3: -In fact, the key difference between backup and copy is precisely that you cannot really copy everything, but backups can. In terms of scope, copy is a subset of backup.

There is 1 question to complete.