1.1 Computer Hardware Flashcards

1
Q

Name 5 input devices

A

Mouse
Keyboard
Scanner
Controller
Microphone
Webcam
Chip reader
Barcode scanner
Graphics tablet
Sensors
Touch screen
Remote control
Biometric scanner
Concept Keyboard

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2
Q

Name 5 output devices

A

Monitor
Printer
Plotter
Speakers
Projector
Alarm
Light
Headphones
Touch screen
Braille terminal

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3
Q

Advantages of Biometric devices

A

Security is improved - can’t share to others such as passwords
If password is exposed the system cant be accessed without the biometric
They verify who users claim to be
Are quicker and easier

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4
Q

Disadvantages of Biometric Devices

A

Can be expensive to install
Long to set up
Unreliable - can be affected by the environment (oily fingers)
Not disabled friendly
Privacy concerns - user may not want personal characteristics stored on a system

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5
Q

State 3 human features that may be recorded by a Biometric device

A

Finger print
Iris (eye)
Face
Voice

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6
Q

Describe how a Biometric device works

A

It uses human characteristics as part of its security mechanism

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