1.5.2

Question 1

utility software

Answer 1

system software that help to maintain a computer

Question 2

what are some tasks performed by utility software?

Answer 2

-system security
-system performance: defragmentation, task manager, clipboard
-storage efficiency: compression
-backups
-system information and diagnosis

Question 3

describe encryption utility

Answer 3

-scrambles the data so that it can only be read with the correct encryption key

Question 4

describe defragmentation utility

Answer 4

-when files are stored permanently, they are broken into fragments and are stored in many different memory sections in the hard disk
-to prevent this, defragmentation utility is used to juggle all contents of the hard disk to group all the fragments together
-it’s the process of moving files around so they are no longer fragmented

Question 5

describe compression utility

Answer 5

-files which include video or audio can be large which makes them slow to download
-compression reduces the file size by discarding the data
-this enables faster upload of files, less buffering and less storage is needed

Question 6

describe backup utilities

Answer 6

-automatically backs up files
-enables users to: schedule a backup regularly, specify which files to backup and specify where to make backups