NEW
Font size
S
M
L
XL
WorksheetsWJEC 1.5.3 Systems Software - Utility Software
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
Which software reorganises your files in this way?
a)
Firewall
b)
Defragmenter
2.
This is the scrambling of data so that no one else can understand it.
This stops hackers from reading sensitive information
This stops hackers from reading sensitive information
a)
Encryption
b)
Compression
c)
Defragmentation
d)
Backup
3.
Uses algorithms to reduce the size of files. Makes it quicker and easier to transmit files over networks.
a)
Encryption
b)
Compression
c)
Defragmentation
d)
Backup
4.
Reduces size by permanently removing some of the data (sound / video / image files)
a)
LOSSY
b)
LOSSLESS
5.
Reduces size without deleting any of the data
a)
LOSSY
b)
LOSSLESS
6.
Images, Audio and Video uses this type of compression
a)
LOSSY
b)
LOSSLESS
7.
Text files and software uses this type of compression
a)
LOSSY
b)
LOSSLESS
8.
All of the data is backed up
a)
FULL BACK UP
b)
INCREMENTAL BACK UP
9.
Copying files to another medium (e.g. hard drive / tape drive / cloud storage)
This is used to restore data if there is a hard drive failure
This is used to restore data if there is a hard drive failure
a)
Encryption
b)
Compression
c)
Defragmentation
d)
Backup
10.
Which one of the following is not a Utility Program?
a)
Disk Defragmentation Tool
b)
Disk Formatter
c)
Web Browser
d)
Anti-Virus Software
11.
Lossy Compression is.....?
a)
Usually performed on text
b)
When some original data is lost and the original file cannot be re-created
c)
The original file can be re-created from the compressed file
d)
Turning the text into a format that only a reader with a key can decrypt it
12.
Lossless Compression is....?
a)
Usually performed on video files
b)
When some original data is lost and the original file cannot be re-created
c)
The original file can be re-created from the compressed file
d)
Turning the text into a format that only a reader with a key can decrypt it
13.
A fragmented hard drive is one in which.....?
a)
Program instructions and data are spread across tracks and sectors on the hard disk drive
b)
Programs and instructions are grouped together to occupy a continuous section of the hard disk drive
c)
A hard disk drive that has been dropped and broken into lots of pieces
d)
The hard disk drive is split into portions each representing a different logical drive.
14.
This method of backup takes longer to perform
a)
Incremental
b)
Differential
c)
Full
d)
Fragmented
15.
This method of backup is quicker to perform once an initial backup file is created
a)
Incremental
b)
Differential
c)
Full
d)
Fragmented
16.
How is encrypted data decrypted?
a)
By using a cipher/key
b)
By using defragmentation
c)
by repairing files
17.
Data being saved to different areas of secondary storage (hard drive) is known as
a)
anti virus
b)
decryption
c)
encryption
d)
fragmentation
18.
Backup - backing up all specified data is known as what?
a)
Part backup
b)
Full backup
c)
incremental backup
19.
What type of backup is this? backing up files that are new or have recently changed since the last time it was backed up
a)
full back up
b)
incremental back up
c)
part back up
20.
Incremental backup only backs up new files or ones that have changed since the last backup
a)
true
b)
false
Reset
