1 - Theory of Computer Science / Output Devices
|
|
Exam Questions - Output Devices
Example Question 1
Example Question 2
Reveal Answers
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
(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
Reveal Answers
(b)
Question (b) asks you to give example uses for inkjet and 3d printers.
Answers
Inkjet
(c) Question (c) asks you to name another type of printer and then do give a description and example application.
Answers
Laser Printer
Question (b) asks you to give example uses for inkjet and 3d printers.
Answers
Inkjet
- (Small quantities of) Documents
- Photos
- (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.
Answers
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
Example Question 4
Reveal Answers
4
Question 4 asks you to link sensor names to suitable applications
Answers
Question 4 asks you to link sensor names to suitable applications
Answers
Example Question 5
Reveal Answers
6
(a)
Answers:
(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)
Answers
- 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