J277 Utility Software (Encryption & Defragmentation)

Utility programs are usually…..?

• Part of the Operating System

• Brought on a disk from a store

• Only needed if you are connected to the Internet

• Very expensive to buy

To scramble data so that it is unreadable is a form of….?

• Compression

• Encryption

• Back-Up

• Defragmentation

Encryption does not prevent someone from intercepting a message it only prevents them from being able to understand it, true or false?

• True

• False

Unencrypted messages are called which?

• Plaintext

• Ciphertext

• Key text

• Orignal Text

Encrypted messages are called which?

• Plaintext

• Ciphertext

• Key Text

• Original Text

A fragmented hard drive is one in which…..?

• Program instructions and data are spread across tracks and sectors on the hard disk drive

• Programs and instructions are grouped together to occupy a continuous section of the hard disk drive

• A hard disk drive that has been dropped and broken into lots of pieces

• The hard disk drive is split into portions each representing a different logical drive.

When a hard drive becomes fragmented reading and writing files becomes…...?

• Faster

• Slower

• No different

• Harder

Defragmentation will aim to…..? (Select two)

• Make more space on the hard drive

• Move files further apart from each other

• Move files closer together

• Move free space closer together

A Defragmented hard drive will decrease the performance of the computer?

• True

• False

Defragment of an SSD can damage the device?

• True

• False