Devices For Accessibilty And Data Processing - Content

Question 1

What are peripheral devices designed to do?

Answer 1

• They are designed to perform many specialist functions

-Designed to aid accessibility to computer systems

• Automate data processing for organisations

Question 2

What are accessibility devices?

Answer 2

Peripheral devices which are designed to allow accessibility for people with disabilities.

Examples:
-Trackball
-Touch Screen
-Eye Motion Sensors
-Braille embosser

Question 3

What is a trackball?

Answer 3

An alternative to a mouse that is easier to use. It consists of a moveable ball on a base.

Question 4

What is the purpose of touch screen?

Answer 4

It is used to help people unable to use a keyboard easily.

Question 5

What are eye motion sensors?

Answer 5

They are sensors to pick up the movement of people’s eyes. They can be used by people with significantly limited mobility.

(Head motion sensors)

Question 6

What is a braille embosser?

Answer 6

A type of printer that outputs text as braille characters.

Question 7

What are adaptive technologies?

Answer 7

They are technologies that are designed to aid people with disabilities both with hardware and software.

Example: Voice recognition software

Question 8

What are some examples of manual data processing?

Answer 8

-Marking exam scripts
-Entering surgery responses from a form
-Entering client or product details into a database
-Entering a customer’s meal choices into a restaurant system

Question 9

What are some examples of automatic processes?

Answer 9

-Biometric readers
-Barcode readers
-Optical Mark Recognition (OMR) - automatically read a form and input the data
-Radio-frequency identification (RFID)
-Smart meters