Homework test
This test is to help you get used to the type of questions you will be asked in the exam. They will get progressively harder as the test goes on
1)	Utility software is an important part of any computer system.
a.	State 3 utilities which are commonly available on a computer system
Antivirus, Disk Defragment, File explorer
b.	Explain how defragmentation works and why it is done by utility software.
Defragmentation sorts the hard drive to get rid of gaps from the user deleting files.

2)	All computers need an operating system installed in order to function correctly.
a.	What is the purpose of the OS?
The OS is the mainframe from which all programs run off, it is vital, and without it, there would only be the BIOS.
b.	Describe multi-tasking.
Multi-tasking is when the computer does several things at once. To do so, it needs a dual + core processor.

3)	Ben is expanding his mail-order company and is thinking about buying new software to help him.
a.	What is custom built software?
Custom built software is software which has been built especially for a specific customer, as opposed to the general public.
b.	State two advantages for Ben to use custom built software.
Custom built software will greater benefit his needs, since it is tailored to suit him.
c.	Ben thinks off the shelf software would be better for him. Discuss this.
Off the shelf software is a lot cheaper, since it is made in bulk, although it may not be as feature-full

4)	Microsoft has decided to release some of their code as open source.
a.	What is open source software?
Open source software is software which has a public source code, so that anyone can use and implement it into their own software.
b.	What is proprietary software?
Proprietary software is software which is owned privately by a single person/company.
c.	What are the advantages for Microsoft of releasing their code as open source?
The advantages are that people can use the code to create their own programs, using features from Microsoft.
d.	What are the disadvantages for Microsoft of releasing their code as open source?
Anyone can copy their program and sell it for themselves.

1.	Kevin needs to make a backup of his photography portfolio. He also needs to be able to send copies of his work to potential clients.


a)	Explain why keeping a backup is important.

Keeping backups can be very important, since certain data can be a huge pain to lose, for example important company documents. With backups, you can easily retrieve any data lost from a main HDD.

b)	Give 1 example for each of the following storage technologies.

i.	Optical

Blue Ray Disks

ii.	Magnetic

Floppy disk

iii.	Solid State

USB stick   [3]