Types of Utility Software
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How is Encryption (Utility) used to protect the system
It is used to protect data and private files by scrambling the data, by turing plaintext into ciphertext, so it cannot be understood if it was stolen while it is being STORED
What does Disk Defragmenter do
It improves the performance of magnetuc hard disks
Why is Disk Defragmentation important
Overtime files on a hard disk drive become fragmented. This reduces performance as the disk has to spin more to locatw and open programs / files.
How does a Disk Defragmenter work
It works by recognising data and moving similar files together, which speeds up load times. It also moves free spaces together to make room for large files
Does a disk defragmenter remove / delete files
No it groups files together, it moves them
Does a Disk defragmenter FREE UP DISK SPACE
No it REORGANISES disk space
Define a Data Compression Utility
Compression utilities make files smaller. This makes them easier to share through the Cloud or quicker to email.
What does compressing files do
it makes the files take up less storage space so you have more room for files
Do compressed files have to be uncompressed before you can use them
YES