System processors

Single - user OS a single user OS is a system designed for use on a computer that will allow a single user at a time.

Multi - user OS, simular to the single user OS, the multi user OS allows multiple user to access and operate the system at any given time.

Batch Processing is a technique that uses a single program to process many individual jobs, tasks, or requests.

Real Time is an OS that guarantees a certain capability within a specified time period. 

Revision from test.

Disk formatting zeros the disk. Formats for a particular system. E.g Ntfs

Hardware driver allows a piece of hardware to be used and interact with the computer.

File compression shrinks files. Because you either want to save hardrive space or emailing.

Virus checker uses a registered list of virus of all known virus known around the world which your computer downloads which scans your hardrive of those known files.

System Software

System Software

• Describe the purpose of operating systems.
• Describe the characteristics of different types of operating systems and their uses: batch, real-time, single-user, multi-user, multi-tasking and network systems
• Identify a range of applications requiring batch processing and a range of applications in which a real time response is required.
• Describe different types of user interface: forms, menus, GUI, natural language and command line, suggesting the characteristics of user interfaces which make them appropriate for use by different types of user.
• Describe the purpose of a range of utility software e.g. disk formatting, file handling, hardware drivers, file compression and virus checkers.