3. Hardware - Input & Output Devices: Computer Science CIE IGCSE

Front

How many input devices do humans use?

Back

9

Front

Carries out small, very dedicated processes

Back

microprocessor

Front

What captures an image in a digital camera?

Back

CCD

Front

What does CCD stand for?

Back

Charge Couple Device

Front

Made up of hundreds of sensors that act as photodiodes

Back

CCD

Front

What is a sensor in a CCD called?

Back

Pixel

Front

Increasing the number of pixels...

Back

Increases image quality

Front

What is used to form a digital image array once the picture has been captured by a CCD?

Back

ADC

Front

What is a digital image stored on?

Back

SD card

Front

What is image file size determined by?

Back

Number of pixels