Human-computer interfaces

Human-computer interfaces

Operating systems

• are software (i.e. programs)

• used to control the hardware directly

• used to run the applications software

Human-computer interfaces

Functions of operating systems 1

• Manage and control devices.

• Provide a user interface.

• Hide the complexity of hardware from user.

• Deal with errors.• Provide interface

between applications software and hardware.

Human-computer interfaces

Functions of operating systems 2

• Allow installation of new hardware and software.

• Utilities for virus scanning, encryption, etc.

• Handle the storage of data.

• Maximize memory use.• Automatically recognize

new hardware.• Organize resources when

tasks are being worked on simultaneously.

Human-computer interfaces

Types of user interface

• graphical user interface (GUI)

• command line• voice driven• menu/dialogue boxes• touch sensitive• biometric