Worksheets3.2.2 Utility Software Edexcel
Total questions: 9
Worksheet time: 3mins
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/user area.
When a hard drive becomes fragmented reading and writing files becomes…...?
Faster
Slower
No different
Harder
Defragmentation will aim to…..?
Make more space on the hard drive
Move files further apart from each other
Move free space closer together
A defragmented hard disk drive will improve the computer's performance?
True
False
To scramble data so that it is unreadable without a key the definition of….?
Compression
Encryption
Backup
Defragmentation
Encryption does not prevent someone from intercepting a message it only prevents them from being able to understand it without a key.
True
False
Unencrypted messages are called...?
Originaltext
Plaintext
Ciphertext
Keytext
Encrypted messages are called...?
Originaltext
Plaintext
Ciphertext
Keytext
Lossy Compression is…..?
...usually performed on text
...when some original data is lost in compression, and the original file cannot be re-created exactly as it was
...when the original file can be re-created exactly as it was from the compressed file
...turning the text into a format that only a reader with a key can decrypt it
