PPT Slide

Technology variety: Support broad range of hardware, software, and network access

1 to 100 range in processor speeds

286 486 Pentium

1 to 100 range in screen sizes

Palm

devices Laptops Large Desktop or Wall Display

30,000 480,000 3,840,000 pixels

Software Versions

Compatibility

File conversion

Multiple platforms

Device Independence

Input: keyboard, speech,...

Output: visual, auditory,...

Conversion: Text-speech

Speech-text,...

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Web Accessibility