Exam Questions - Output Devices

Example Question 1

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3
Question 1 requires you first to link an output device to its description.

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Example Question 2

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1

(a) Question 1 (a) is part of a larger question but (a) is the only section related to input / output devices.
This is a simple question that asks you is a small display screen is an input, output or storage device.

Answer
Output device

Example Question 3

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(b)

Question (b) asks you to give example uses for inkjet and 3d printers.

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Inkjet
  • (Small quantities of) Documents
  • Photos
3D Printer
  • (Physical) prototype (From CAD)
  • (Physical) model (from blueprint)

(c) Question (c) asks you to name another type of printer and then do give a description and example application.

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Laser Printer
  • Uses toner / powder ink
  • uses (Positive and negative) charged drums // rotating drum
  • uses static charge
  • no moving head
  • faster at printing
  • high volume output / high speed
  • producing flyers / leaflets / magazines
Other printer types also accepted e.g dot matrix.

Example Question 4

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4

Question 4 asks you to link sensor names to suitable applications

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Example Question 5

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6

(a) 
Answers:

(b)

Answer
Computer Aided Design / CAD

(c) Question 6 (c) requires a description of how a Digital Light Projector produces an image.  The question requires 3 key points.

1 mark will be awarded for each of the following points (Max 3)

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  • Uses a large number of tiny mirrors
  • Mirrors are laid out in a grid / matrix
  • Each mirrors creates a pixel in the image
  • Mirrors can tilt toward or away from light source
  • The mirrors reflect light toward a (projection) lens
  • Colour is produced using a colour wheel // light passes through a colour wheel
  • Can be used to display an image on a wall / screen