Input and output Flashcards
What are five features of keyboard input devices?
Most popular method for entering text Slow method Prone to human error Need typing skills Can lead to repetitive strain injury (RSI)
Input devices
What are used to capture still or video images?
Web cameras
Input devices
What are magnetic strip readers?
used to read credit card details (where there is no chip and pin), loyalty card details, etc
Input devices
What are used to read lottery tickets, multiple-choice answer sheets, etc.
Optical mark readers
Input devices
What are bar code readers?
used for recording goods in supermarkets, tracking library books, luggage handling in airports, etc.
Input devices
What are web cameras used for?
used to capture still or video images
Input devices
What are used to read text printed on documents?
Optical character readers
Input devices
What are touch screens usually used for?
popular with computers, PDAs and mobile phones
What are used for recording goods in supermarkets, tracking library books, luggage handling in airports, etc.?
Bar code readers
What are these all examples of? Screen or monitor Printer Speakers Digital projector Plotters Control devices (e.g., robot arm, motor, light, etc.)
Output devices
Input devices
What are used to capture data such as temperature, pressure, etc., automatically?
Sensors
Name six output devices
Screen or monitor Printer Speakers Digital projector Plotters Control devices (e.g., robot arm, motor, light, etc.)
What are three features of input devices?
are used to get raw data into the computer so that it can be processed
include common devices such as keyboard, mouse, joystick, etc.
include specialist devices such as bar code reader, optical mark reader, etc.
Input devices
What are used to read credit card details (where there is no chip and pin), loyalty card details, etc
magnetic strip readers
Input devices
What are sensors used for?
used to capture data such as temperature, pressure, etc., automatically
