5252806
Description
Mind Map by Elizabeth Kelly, updated more than 1 year ago
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Created by Elizabeth Kelly
about 8 years ago
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Functions of Operating
Systems
- Multi-tasking / Processing Management
- Allowing the user to perform more than one
task at any time. Allocating jobs to the
processor
- Allowing the user to perform more than one
task at any time. Allocating jobs to the
processor
- Security
- Allowing only certain users to certain programs. Use of usernames
and passwords. Access levels - certain users are allowed to do certain
things. EG. Teacher uses YouTube , Students can't
- Allowing only certain users to certain programs. Use of usernames
and passwords. Access levels - certain users are allowed to do certain
things. EG. Teacher uses YouTube , Students can't
- Memory Management
- Managing and allocating memory
to programs that need it and free
it if no longer needed...put the
memory in the RAM or not
- Managing and allocating memory
to programs that need it and free
it if no longer needed...put the
memory in the RAM or not
- User Interface
- How the user and computer system interact with
each other. How to give commands - usually
GUI's (Graphical User Interface)
- How the user and computer system interact with
each other. How to give commands - usually
GUI's (Graphical User Interface)
- Peripheral Management
- Identifies the peripheral device and
connects it to and works with the
computer in some way
- Identifies the peripheral device and
connects it to and works with the
computer in some way
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