Define the Following: 1. Backup utility. 2. compression utility. 3. disk defragmenter. 4. Anti -Virus software
Answers
*the backup mean the data which is save for future reference are called backup
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*compression is the big data the format of a folder of file change and lower the properties is called compression
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*anti virus is a software which protects our computer from unwanted visitors
Back up utility = A piece of software that makes the process of backing up computer information easier.
Compression utility =File Compression utility is the name for a type of utility program that compresses and decompresses files that aren't commonly used. Most of them can compress infrequently used files to use between 40 and 90% less space on a hard disk – this space can then be used by other, more commonly used things.
Disk defragmenter = When a program saves a file on a disk, it puts the file into an empty space on the disk. ... Disk defragmentation takes all the pieces of each file, and stores them in one place. It also makes sure programs are each in one place, and that unused space on the hard disk is all together.
Anti-Virus software = An umbrella term for software that detects and blocks unwanted input to the computer, including viruses, Trojans, spyware, adware and spam