Topic 5 - Devices For Accessibility And Data Processing

Question 1

What are peripheral devices designed for?

Answer 1

Peripheral devices have been designed to perform many specialist functions

Question 2

What are two important types of peripheral devices?

Answer 2

Aid accessibility to computer system

Automate data processing for organisation

Question 3

What are peripheral devices designed for?

Answer 3

There are some peripheral devices which are mainly created to allow accessibility for people with disabilities

Question 4

What is a trackball?

Answer 4

It’s an easier-to-use alternative to a mouse, consisting of a moveable ball on a base

Question 5

What is a touch screen or large key keyboard useful for?

Answer 5

It is useful for people who are unable to use a keyboard easily

Question 6

What are eye sensors and head motion trackers used by?

Answer 6

Eye motion sensors and head motion trackers

This is used by people with significantly limited mobility

Question 7

What type of printer is a Braille embosser?

Answer 7

It is a type of printer that outputs text as Braile cells (characters)

Question 8

What is an Adaptive technology designed for?

Answer 8

These are technology that have been designed specifically to aid people with disabilities

They include both hardware and software

Question 9

What are peripheral devices such as a tracker ball or eye motion sensors?

Answer 9

These are hardware which are physical items that you can touch

Question 10

What type of software is also available to aid accessibility and what is it for?

Answer 10

Voice recognition software for input and it’s for

Screen reading software for outputs

Question 11

What other type of peripheral devices are there?

Answer 11

There are peripheral devices which can automate the input and processing of data and avoid human errors
such as typos during data entry

Some types of data collection, input and processing are more commonly done manually

Question 12

What do Biometric readers read?

Answer 12

They are fingerprints, handprints or irises for use in personal identification systems

Question 13

What do Barcode reader do?

Answer 13

Barcode readers read lines of different thickness and convert them into a string of values

Question 14

What do 2D readers read more complex to?

Answer 14

QR-style codes

Question 15

What does OMR reader stand for?

Answer 15

Optical mark recognition

Question 16

What do OMR readers do?

Answer 16

Optical readers automatically read a form and input the data

Question 17

What does RFID stand for?

Answer 17

Radio-frequency identification devices

Question 18

What is a RFID used for?

Answer 18

RFID devises are used in stocktaking and race timing systems

Question 19

What does a smart meter do?

Answer 19

A smart meter accurately records electricity and gas usage and send readings to the energy supplier

Question 20

What are the 4 manual processes?

Answer 20

Keying client or product details into a database

Entering customer’s meal choices into a restaurants system

Marking exam script

Entering survey responses from a form