Input devices Flashcards
What is the purpose of an Input Device?
An input device is a piece of hardware that is used to enter data into a computer.
What is R.S.I.?
Excessive use can lead to health problems such as repetitive strain injury
How do you know whether you are using an Optical Mouse?
They use Led light instead of laser.
Why would a laptop most likely use a Touchpad?
The touchpad on a laptop does the same job as the mouse on a desktop computer. It is sometimes also called a trackpad. The touchpad is used to control the mouse pointer, also known as the cursor. The cursor is used to point at and choose (or activate) items on the screen.
What types of games especially suit the use of a Joystick?
Pacman, Fighting games
Why are Concept Keyboards especially suitable for use in fast-food restaurants?
Faster to order food in fast food centres.
Why are Touch Screens not suitable when inputting a lot of data?
It is going to make it slow.
When would Optical Character Recognition software be useful?
Optical Character Recognition - can be used to convert text on the paper into text which can be edited with a word processor.
Why would a designer wish to use a Graphics Tablet rather than a mouse for creating drawings?
They would because they can draw on the tablet.
What problem can Voice Recognition systems suffer from?
They might not pick you up clearly.
Describe one use for a webcam.
It is used for conference call.
The price of an item in a shop is not held on the barcode. Where is it held?
It is held in the Computer Database.
When might an Optical Mark Reader be useful in a school?
It is used in a Quiz.
What does O.C.R. stand for?
Optical Character Recognition
Where are Magnetic Stripes most commonly found?
Magnetic strips are usually found of the back of most credit cards, cheque guarantee cards, loyalty cards, membership cards etc.
