Term1 Year10 Practice Set3 | Baamboozle - Baamboozle

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State two types of touch screen.

capacitive and resistive

There are 3 types of storage devices. Hdd, SSd and ____.

Optical disk drives

How resistive touch screens work?

Pressure causes two layers under screen to touch and make a connection.

capacitive touch screen has layer of capacitive material that conducts charge from finger. True or False.

True

Dot matric printers are also called impact printers because they have to hit paper through a ribbon of ink.

True

State two advantages of biometric scanners.

can't be forgotten, harder to trick or confuse them, faster, not restricted by language.

State two features of data projectors

light bulbs, resolution, zooming, portability

State one benefit of using sensors.

Can place in remote areas, always working, less human error, sense things that humans cant

State two actuators (control devices).

piston, valve, heater, cooler, motor

Why smart phones have a shorter battery life?

They combine many features, so they use more power and have to be charged more regularly

fingerprint recognition, facial recognition, voice recognition and iris recognition are _____.

Biometric scanners

When reading data, read/write head changes magnetic field to electric current. True or False

True