4 - Data Processing & Accessibility Devices.

Question 1

What is Data Entry?

Answer 1

Entering data into a computer system for processing can be performed manually or automatically.

Question 2

What is manual data entry**?

Answer 2

When a person inputs data directly using devices

ex: like a keyboard, mouse, touchscreen, or voice commands.

Question 3

What is automatic data entry?

Answer 3

When machines capture and enter data automatically from physical sources

ex: scanners, sensors, OCR

Question 4

What are the disadvantages of manual data entry?

Answer 4

• Human Error
  -typos, mistakes, poor forms
• Time Consuming
  -slow, needs double-checking

Question 5

What are the advantages of manual data entry?

Answer 5

• Complex Data
  -humans can deal with any data type
• Reduced Training
• no special training required

Question 6

What are the advantages of automatic data entry?

Answer 6

• Accuracy
• less human error
• Time and Cost
• quick processing, saves staffing costs

Question 7

What are the disadvantages of automatic data entry?

Answer 7

• Inflexible
• only works well with structured/simple data
• Learning Curve
• staff need training to use new systems, costly

Question 8

What are** accessibility devices**?

Answer 8

Hardware designed to help people with disabilities use computers more easily.

;lso called assistive or adaptive technology

Question 9

What is a Trackball?

Answer 9

An alternative to a mouse with a ball that can be rotated to move the cursor, useful for people with limited hand mobility.

Question 10

What are Braille keyboards?

Answer 10

Keyboards with Braille characters for visually impaired users.

**Large-key keyboards **- Keyboards with oversized, high-contrast keys to help visually impaired users.

Question 11

How do touchscreens improve accessibility?

Answer 11

Easier for users with mobility issues; can display larger buttons or keyboards.

Question 12

What is a Braille embosser?

Answer 12

A printer that produces Braille characters instead of standard text for blind users.

Question 13

What is a screen magnifier?

Answer 13

A device that enlarges content on a screen to help users with poor eyesight.

Question 14

What is an eye typer?

Answer 14

A device that uses a camera to track eye movement for typing and clicking, helping users with severe mobility challenges.