Chapter 9

Open source operating system: Linux Kernel
Open source word processor: LibreOffice Write
1. 1. Cost of software
  2. Ability to insert special items e.g. formulae
2. 1. Suitability for purpose
  2. Ability to run on hardware available

Exercises

1. Software used to run the system and its applications
2. Software that performs an operation for the user

Software	Category
Firewall software installed on the web server	Utility software
Store's own online ordering system designed for their products and systems	Bespoke software
Graphics software to crop product images suitable for uploading to the site	General purpose application software
Online payment verification software	Special-purpose software

1. As it has already been made, the cost will be shared between all the users; and therefore will be cheaper to purchase
2. It will have been well-tested meaning that there will be fewer bugs
3. It has been made already and therefore can be installed immediately
1. Compression software is used to reduce the size of files on disk. The student will use this to compress his project work files, as well as his music and video
2. Anti-virus software is used to protect a computer from malware. The student would use this to prevent his computer from being infected via the internet, or disinfect his computer after a security breach
3. A backup utility is used to create full or incremental backups of every file on a user's computer. The student could use this to recover his project work following a huge mistake, or theft/loss/damage of his PC