IGCSE ICT Chapter 2 & 3

An MRI is an example of

• A 2D scanner

• A 3D scanner

• A 2D printer

• A 3D printer

These are used to convert a hard/paper copy document or photograph into a computer-readable format.

• A 3D printer

• A 2D printer

• A 3D scanner

• A 2D scanner

Select the input "only" devices

• Touch screen monitor

• Keyboard

• Microphone

• Scanner

Which of these devices could be input and output?

• Touch screen monitor

• Keyboard

• Microphone

• Scanner

"A hardware device that can take measurement of physical properties, such as temperature or pressure, from real world surroundings. These measurements are usually a representation of the actual property being measured."

Is the definition of...

• A sensor

• A Scanner

• An OMR (optical mark reading)

• OCR (optical character recognition)

Which of the following are not a type of sensor?

• Infra-red

• Pressure

• Humidity

• Actuator

An actuator is..

• An input device

• An output device

• A storage device

• Both input and output device

They can read chips a few meters away. They can read all of the tags on goods in a trolley at once. What device is this?

• OCR

• RFID

• OMR

• Chip and Pin reader

Which is/ are following describe advantages of a QR codes and scanner?

• can be used for anything by anyone

• documents have to be accurately designed.

• can store lots of information

• technology is expensive

What is OMR use for?

• scanning Barcode

• recognise the characters and convert it into digital information

• scanning aims to find the marks on the paper, usually use in marking exam paper or voting slip

• scanning data to be stored in computer