Friday, September 14, 2007

Homework due for Thurs., September 20, 2007

I hope you have a good long weekend. Please find the time to read pgs 14-19 in the text and answer the following:

Pg 14-15
  1. What is an input device? (1 pt)
  2. List 5 different input devices that can be connected to a desktop computer and explain how they work and who might use each device. (3 pts each)
  3. Explain what is OMR & OCR and give an advantage OR disadvantage of each. (3 pts each)
  4. What sort of information could be held on a smart card? (2 pts)
pgs 16&17
  1. Explain how libraries use input devices to keep track of materials. (4 pts)
  2. What are the advantages & disadvantages of stores & shops using barcodes & electronic point of sale systems? (2 pts)
  3. Explain what is meant by the following EFTPOS, MICR, MIDI. (4 pts each)
pgs 18 & 19
  1. What is an output device? (2 pts)
  2. What are the 2 most common types of output devices? (2 pts)
  3. Explain what is meant by VDU, RGB, Pixel, LCD, CMYK.
  4. What are the advantages & disadvantages of dot matrix, ink-jet & laser printers? (6 pts)
Good luck & have a good long weekend.

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