1.5.2 utility software Flashcards
1
Q
what is a utility software?
A
utility software is a part of the operating system: there are three types: encryption software, defragmentation and data compression
2
Q
what is encryption software?
A
this means to scramble up or jumble data so that its unreadable to anyone who doesn’t have the key to unscramble it. data can be encrypted and decrypted using a key
3
Q
what is defragmentation?
A
defragmentation is to reassemble broken files and rearrange all the space at the end. it makes read/write access quicker and reduces the time it takes to access hard disk which improves overall system performance because it speeds up action
