23-05-2012, 11:32 AM
Human Computer Interface
Human Computer Interface.ppt (Size: 784 KB / Downloads: 55)
Understand the need to facilitate an effective dialogue between humans and machines.
Explain the need to design systems which are appropriate to users at all levels and in different environments, e.g. the impact of clarity of structure and layout.
Describe how the user-interface can be designed for effective communication with the user.
Describe the advantages of common user interfaces between different generic application packages.
Describe the advantages and limitations of a natural language interface.
What is an Interface?
A point where two objects meet.
A point where the human can tell the computer what to do
A point where the computer displays the requested information
What Tools are Used?
A keyboard, for typing,
A mouse, for clicking,
A scanner, for copying,
A camera, for images.
A monitor, for displaying,
A printer, for printing,
A sound card. For audio,
A DVD, for video.
Computer Match
A good interface match would include as many senses as possible.
Computer input and output is basically seeing what we enter and what is displayed.
Sound can be added to some programs, either by giving instructions by voice, or listening to a commentary / music.
Touch can be in the form of using the mouse, a joystick, or a drawing tablet.
Disabled Users
There are many featured designed for disabled users.
A visually impaired person may be unable to use the GUI features, and find that typing in commands are easier. The printed output may be produced on Braille.
A hearing impaired person may be able to use speech commands and listen to the output through speakers. This may also be a preferred method for users with other disabilities who cannot use a keyboard and mouse.
Human Computer Interface.ppt (Size: 784 KB / Downloads: 55)
Understand the need to facilitate an effective dialogue between humans and machines.
Explain the need to design systems which are appropriate to users at all levels and in different environments, e.g. the impact of clarity of structure and layout.
Describe how the user-interface can be designed for effective communication with the user.
Describe the advantages of common user interfaces between different generic application packages.
Describe the advantages and limitations of a natural language interface.
What is an Interface?
A point where two objects meet.
A point where the human can tell the computer what to do
A point where the computer displays the requested information
What Tools are Used?
A keyboard, for typing,
A mouse, for clicking,
A scanner, for copying,
A camera, for images.
A monitor, for displaying,
A printer, for printing,
A sound card. For audio,
A DVD, for video.
Computer Match
A good interface match would include as many senses as possible.
Computer input and output is basically seeing what we enter and what is displayed.
Sound can be added to some programs, either by giving instructions by voice, or listening to a commentary / music.
Touch can be in the form of using the mouse, a joystick, or a drawing tablet.
Disabled Users
There are many featured designed for disabled users.
A visually impaired person may be unable to use the GUI features, and find that typing in commands are easier. The printed output may be produced on Braille.
A hearing impaired person may be able to use speech commands and listen to the output through speakers. This may also be a preferred method for users with other disabilities who cannot use a keyboard and mouse.