IGCSE CS INPUT DEVICES

Generally Used for taking a HARD COPY (paper) as INPUT to convert into electronic form to be stored in the computer.

It is another type of Barcode that is made up of a matrix of filled-in dark squares on light background

Tablets and Mobile phones make use of an ---------keyboard as opposed to physical keyboard.

It is a input device that can read or measure physical quantities in ANALOGUE FORM.

-------- is an OUTPUT device that is an integral part of a control system

A process where scanned marks on a page are automatically converted to inputs.

• OCR

• OMR

• MICR

• MSR

Device that recognises human physical characteristics, such as fingerprints

• AVR

• Biometric devices

• 2D scanner

A device that converts analogue data to digital

• MODEM

• ADC

• COMPILER

• BINARY CONVERTER

In an automated system, what type of device is a sensor?

• Storage device

• Processing device

• Input device

• Memory device

What does analogue mean in relation to sensors?

• The output takes on different binary values depending on the quantity being measured

• The output is recorded in a log

• The output varies smoothly and continuously over time

• The output is analysed.