Give the 5 main types of security utility programs.
Firewall, Antivirus, Spyware protection, Computing (Disk organisation and Disk maintenance)
Give the 2 main categories of computer software.
System software (OS, utility programs, drivers), Application software (Everyday programs like MS Office, Chrome etc.)
Give the 3 most commonly used OS types for PC, and 2 for phones.
Windows (2000/XP/Vista/7/8), Mac OSX (Mountain Lion), Linux (Ubuntu, Mint, Debian). iOS, Android.
What is a UI?
A User Interface allows the user to interact with a system, and provide instructions to control the device.
What are the 3 main types of OS?
Single user, multi-tasking and networking
Give the 2 types of application software (and examples).
- Off-the-shelf software (MS Office) 2. Bespoke software (Supermarket till)
Give advantages of off-the-shelf software.
- Cheap
- Easy to use
- Easy to obtain
- Thoroughly tested so few bugs
- Lots of help forums available
Give the advantages of bespoke software.
- A company will have software/systems perfectly suited to their purpose
- The software will work how they want it to work
- The software will only have the features that the company specifically needs
Give the disadvantages of bespoke software.
- It can take a long time to develop; between a few months to years
- It costs a lot to develop
- The company may need to employ a team of people to test and analyse the program/system
- There is unlikely to be internet forums or books to help people using the program
