human-computer interfaces. operating systems are software (i.e. programs) used to control the...
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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
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