Learning ObjectivesREVISION
2.1.3 Software
Operating System
Learning ObjectivesREVISION
2.1.5 Software
The piece of software that allows the user to
interact with the hardware and
software.
Learning ObjectivesREVISION
2.1.3 Software
Functions of an OS
Learning ObjectivesREVISION
2.1.5 Software
MUMPS
• Memory management• User interface• Multi tasking• Peripheral management• Security
Learning ObjectivesREVISION
2.1.3 Software
Memory Management
Learning ObjectivesREVISION
2.1.5 Software
Allows the hardware to store data into the
correct location (RAM, Cache, HDD…)
Learning ObjectivesREVISION
2.1.3 Software
User Interface
Learning ObjectivesREVISION
2.1.5 Software
Gives the user a visual display to navigate.
Learning ObjectivesREVISION
2.1.3 Software
Multi-tasking
Learning ObjectivesREVISION
2.1.5 Software
Allows the system to run more than one program at a time.
Learning ObjectivesREVISION
2.1.3 Software
Peripheral Management
Learning ObjectivesREVISION
2.1.5 Software
Allows additional hardware to be added
to the computer. Installs drivers.
Learning ObjectivesREVISION
2.1.3 Software
Security
Learning ObjectivesREVISION
2.1.5 Software
Prevents unwanted computers accessing
the system.
Learning ObjectivesREVISION
2.1.3 Software
Utility Software
Learning ObjectivesREVISION
2.1.5 Software
Pieces of software that perform specific tasks to help maintain the
performance of a computer.
Learning ObjectivesREVISION
2.1.3 Software
Utility Software
Security
Learning ObjectivesREVISION
2.1.5 Software
Anti virus
Anti spyware
Firewalls
Learning ObjectivesREVISION
2.1.3 Software
Utility Software
Disk Organisation
Learning ObjectivesREVISION
2.1.5 Software
Formatting
File transfer
Defragmentation
Learning ObjectivesREVISION
2.1.3 Software
Utility Software
Systems Maintenance
Learning ObjectivesREVISION
2.1.5 Software
Systems information and diagnosis
System clean up tools
Automatic updating
Learning ObjectivesREVISION
2.1.3 Software
Custom Written
Learning ObjectivesREVISION
2.1.5 Software
Software that is created for a company for a specific purpose.
Learning ObjectivesREVISION
2.1.3 Software
Off the shelf
Learning ObjectivesREVISION
2.1.5 Software
Software that can be bought from a shop
ready to install.
Learning ObjectivesREVISION
2.1.3 Software
Open Source
Learning ObjectivesREVISION
2.1.5 Software
This software is usually cheaper, it can be
downloaded, the source code can be changed to
make it do exactly what you want, but you need to know how to change the code to
get it to work.
Learning ObjectivesREVISION
2.1.3 Software
Proprietary
Learning ObjectivesREVISION
2.1.5 Software
Software created by a company that a user buys a licence to and installs. The
user cannot change the functionality, but it works
very well. Updates are sent out by manufactures.