Activity 1: HSC Questions:
(i) Distinguish between LCD screens and CRT monitors. (3 marks)
(i) Identify the hardware and the processing occurring as a video is retrieved from CD-ROM and displayed on an LCD screen. (4 marks)
(b) Define the term resolution and describe its effect on the storage and display of images. (3 marks)
Activity 2
Answer the following questions in your books:
- What is the purpose and physical qualities of the phosphor coating on the inside of a CRT monitor?
- Outline the differences between the two types of touch screen.
- Discuss social implications that you see could arise due to the widespread use of Google Glass or similar devices .
- Describe the way that CDs and DVDs differentiate between zeroes and ones when reading data.
- What are the main advantages of LCD monitors over CRT’s?
- Give a brief description of how speakers work
You may need to research to answer these two:
- Describe how interlaced monitors can cut costs and still produce an acceptable screen image. Compare them to non-interlaced monitors.
- “Speakers and Monitors are the most important hardware considerations when considering display options.” Discuss this statement paying particular attention to sound and graphics cards.
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