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SYSTEM SOFTWARE - Coggle Diagram
SYSTEM SOFTWARE
Operating Systems (OS)
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OS Functions
- Starting a computer.
- Providing a user interface.
- Managing programs.
- Managing memory.
- Scheduling jobs.
- Configuring devices.
- Monitoring performance.
- Providing file management utilities.
- Establishing internet connection.
- Administer security.
- Control a network
Types of OS
- Real-time operating system
- Very fast small OS
- Built into a device
- Respond quickly to user input
- Single user/Single taking OS
- One user works on the system
- Performs one task at a time
- MS-DOS and Palm OS
- Single user/Multitasking OS
- User performs many tasks at
once
- Most common form of OS
- Require expensive computers
- Multi user/Multitasking OS
- Many users connect to one
computer.
- UNIX, Linux and VMS
- Maintenance can be easy.
Software
- A set of instructions that tells the computer what
to do.
- Also called a program, provides means to us to
interact with and use the computer.
- System software will be installed on its hard disk
for the new purchase of personal computer.
- Contains of the programs that control or maintain
the operations of the computer and its devices.
- System software serves as the interface between
the user, the application software and the
computer hardware.
Type of system software
- Operating systems
- Utility programs
- Device driver program
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