Operating Systems Tasks 29/01/20 1 Learning Objectives Discuss

Operating Systems Tasks 29/01/20 1 Learning Objectives Discuss the purpose of operating systems. 29/01/20 2 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 29/01/20 logons / passwords 3 Plenary Describe the features which an operating system would be expected to provide in

a single user computer system. 29/01/20 4 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 29/01/20 backup procedures 5 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 29/01/20 6