Manual and Data Processing Flashcards

1
Q

Accessibility devices

A

Some peripheral devices are specifically created to allow accessibility for people with disabilities

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2
Q

Examples of Accessibility devices

A
  • Trackball
  • Touch screen or large keyboard
  • Eye motion sensors and head motion sensors
  • Braille embosser
  • Foot mouse
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3
Q

Trackball

A

An easier-to-use alternative to a mouse, consisting of a moveable ball on a base

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4
Q

Touch screen or large keyboard

A

The screens are sensitive to pressure, a user interacts with the computer by touching pictures or words on the screen

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5
Q

Eye motion sensors and head motion sensors

A

Eye motion trackers track the movement of the eye

Head motion trackers are used in the same way but track movement of the whole head

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6
Q

Braille embosser

A

A type of printer that allows the user to output embossed braille cells. Can be read by people who are blind and can read braille

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7
Q

Foot mouse

A

Specifically designed for people who have limited mobility in their arms

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8
Q

Manual Data Processing

A

When data is processed by a human. This includes storing, manipulating, preparing and distributing data.

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9
Q

Automatic Data Processing

A

When a digital device automatically processes the data

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10
Q

Manual Data Processing methods

A
  • Keying client or product details into a database
  • Entering customer’s meal choices into a restaurant’s system
  • Marking exam papers and entering results manually into a spreadsheet
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11
Q

Automatic Data Processing/Devices

A
  • Biometric reader
  • Barcode readers
  • Smart meters
  • OMR (Optical mark reader)
  • RFID (Radio Frequency Identification)
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12
Q

Biometric Readers

A

Scanners that read fingerprints, and handprints or irises for use in personnel identification systems

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13
Q

Barcode Readers

A

Used to automatically find a product information using the barcode on a product. Lines of different thickness and converted into a string of values

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14
Q

Smart meters

A

Accurately records electricity and gas usage and send readings to the energy supplier

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15
Q

OMR Optical Mark Reader

A

Readers automatically read a form and input data. Example lottery ticket

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16
Q

RFID Radio Frequency Identification

A

Uses radio frequency to transfer data. This has recently been added to credit card and debit cards to make contactless payments

17
Q

Manual Advantages

A
  • Can handle any type of data
  • Requires limited training
  • Usually costs less to have data entered manually
18
Q

Automatic Advantages

A
  • Less likely to have errors
  • Quicker at entering data
  • Allows one person to perform lots of jobs at the same time
19
Q

Manual Disadvantages

A

-Takes more time than AP and mistakes can be made such as transcription errors

20
Q

Automatic Disadvantages

A
  • Higher capital cost- Much bigger investment
  • More maintenance required- Includes much more machinery and require more time and money dedicated to maintenance and repairs