Monday, March 14, 2011

Section 2 Input Output Devices

Keyboard
Entering text into a word processing document.  Applications where text
has to be created rather than copied

Numeric keypad
Applications where only numeric data is to be entered.  Inserting personal
identification number (PIN) for Chip and PIN credit/debit cards, or when
using an ATM machine to withdraw money or check a bank balance

Pointing devices Z-all
All applications which require selection from a graphical user interface.  For
example: the selection of data from a set list or menu

Mouse In most PCs

Touchpad
On laptop computers

Trackerball
For use by people with limited motor skills e.g. young children or people
with disabilities

Remote control
Using remote control devices to operate TVs, video players/recorders,
DVD players/recorders, satellite receivers, HiFi music systems, data or
multimedia projectors

Joystick
Used by a pilot to fly an aeroplane or flight simulator.  Used in car driving
simulators and for playing games

Touch screen
Selecting from a limited list of options e.g. certain POS uses such as cafes,
tourist information kiosks, public transport enquiries.  May be used for
handwriting recognition in a PDA or Tablet PC

Magnetic stripe readers
At POS terminals, ATMs and in security applications

Chip readers and PIN pads
Payment cards, ID cards, door control systems, public transport tickets

Scanners
Entering hard copy images into a computer

Digital cameras
Taking photographs for input to computers, for input to photo printers

Microphones
Recording of voices for presentation software

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