1. Operating Systems
Tasks
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2. Learning Objectives Discuss the purpose of operating systems.
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3. All Operating Systems:
Control the hardware of the computer system:
Memory management to control the way that primary memory is used
Resource allocation / processor / printer time
Access to peripheral devices via drivers.
User interface / HCI:
To provide human access and allows communication.
Provide environment for application software to be executed and managed:
i.e. installation to system, access to memory and allows software translation via compiler / interpreter / assembler.
Provide utilities / library routines to carry out “housework” and common tasks e.g.
File handling
Defragmenting
Formatting
Virus protection
Security
backup procedures
Privacy
logons / passwords
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4. Plenary
Describe the features which an operating system would be expected to provide in a single user computer system.
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5. All Operating Systems Provide:
User interface
To allow communication/type of interface
File handling:
To allow use of secondary storage
Disk management
defragmenting / formatting / storage
Virus protection
To protect files on secondary storage
Security
backup procedures
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6. All Operating Systems Provide:
Privacy
logons / passwords
Access to peripheral devices
via drivers / allowing hard copy
Memory management
To control the way that primary memory is used
Manages application software / installation to system / access to memory
Resource allocation /processor / printer time
05/08/2019