Enables the user to execute commands or issue instructions to the computer by controlling a pointer on the screen
Mouse
1 of 7
It relies on springed keys being pressed down to complete an electrical circuit. This circuit then transmits a binary signal (commonly using ASCII) to the computer to represent the key pressed
Keyboard
2 of 7
It is connected to software that converts human speech into commands or text
Microphone
3 of 7
They allow for quick reading of product details so that prices and information can be retrieved and/or stock levels updated
barcode reader
4 of 7
Forms would be fed into a machine that would look for black marks
OMR
5 of 7
Used to read data without physical contact.
RFID Reader
6 of 7
When you place your finger on or near the screen it disrupts this field and draws current
Touch Sensitive Screen
7 of 7
Other cards in this set
Card 2
Front
It relies on springed keys being pressed down to complete an electrical circuit. This circuit then transmits a binary signal (commonly using ASCII) to the computer to represent the key pressed
Back
Keyboard
Card 3
Front
It is connected to software that converts human speech into commands or text
Back
Card 4
Front
They allow for quick reading of product details so that prices and information can be retrieved and/or stock levels updated
Back
Card 5
Front
Forms would be fed into a machine that would look for black marks
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