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Computer Studies SG Grade 10 - 2002

Last updated 19 Jun 2002

Theory examination May 2002 - 90 minutes - 100 marks - Answers

Section A - 30 marks

Question 1 - Multiple-choice questions - 1 mark each - 10 marks

  1. B - 2
  2. D - 4
  3. D - 4
  4. A - 1
  5. B - 2
  6. B - 2
  7. B - 2
  8. D - 4
  9. D - 4
  10. C - 3

/10/

Question 2 - Matching columns - 1 each - 10 marks

  1. Manufacturer of monitors. - Q - 17 - Samsung
  2. Pen-shaped instrument used to select menu options on a monitor screen or to draw line art on a graphics tablet. - S - 19 - Stylus
  3. Port for a mouse or keyboard. - R - 18 - Serial port
  4. Program that allows mathematical calculations. - G - 7 - Excel
  5. South African search engine. - B - 2 - Ananzi
  6. South African online book shop. - K - 11 - Kalahari.net
  7. Speech recognition software. - D, M - 4, 13 - DragonDictate, Naturally Speaking 
  8. Study of people at work and their safety. - F - 6 - Ergonomics
  9. Web design software. - H - 8 - FrontPage
  10. Wrist strain resulting from too much time spent keying in data.- P - 16 - Repetitive stress injury (RSI)

/10/

Question 3 - True or False - 1 mark each - 10 marks

  1. False - thickest
  2. False  [ http://www.elections.org.za ].
  3. True
  4. True
  5. False - Hardware
  6. True
  7. False - PS/2
  8. False - Emoticons
  9. True
  10. False - WAP

/10/

Section B - 60 marks

Question 4 - Computer architecture - 34 marks

  1.  

  1. Inkjet colour printer  [1]
  2. Laser printer (normal)  [1]
  3. Line plotter  [1]
  4. Laser printer (normal) or Dot matrix printer  [1]

[4]

  1.  
  1. 17" [1]
  2. Samsung [1]
  3. PS2 [1]
  4. space between pixels  [1]
  5. modem [1]
  6. scanner   [1]
  7. Read and Write    [1]
  8. They are able to store large amounts or information and data cannot be removed      [2]

[9]

  1.  
    1. characters printed per second - C - 3 - cps
    2. finely powdered ink used in laser printers - J - 10 - toner
    3. lines printed per minute - E - 5 - lpm
    4. measure of the resolution of images produced by computer screens and printers - H - 8 - resolution
    5. method of describing any colour by the percentage of these colours - B - 2 - CMYK
    6. number of dots per unit length in which an image can be reproduced on a screen or printer - D - 4 - dpi
    7. pages printed per minute - G - 7 - ppm
    8. plastic container which holds powdered toner - A - 1 - cartridge
    9. process in which information to be printed is stored temporarily in a file, the printing being carried out later - I - 9 - spooling
    10. single dot on a computer screen - F - 6 - pixel

    [10]

  2.  
    1. handheld [1]
    2. needs expensive technology, needs sophisticated computer skills, only cost effective if a large turnover, closed community. [2]
    3. data is kept in database on system, book's bar code scanned, information sent to database, able to see if book in or out, who has it, when due, etc. (4)
    4. Name four types of scanners and indicate what they are useful for and where. (4)

    [11]

/34/

Question 5 - Data communication and networks - 16 marks

  1.  
    1. able to access many resources on the net [1]
    2. expense, accessing unsuitable sites, time waste in surfing [1]
    3. slow bandwidth, need extra secondary memory, need staff to manage network, extra computers [2]

    [4]

  2.  
    1. modem [1]
    2. online [1]
    3. web site [1]
    4. Shuttleworth [1]
    5. Click 2 Music, Pick 'n Pay, Incredible Connections, McCarthy Call a Car, etc. [2]
    6. browser, Internet Explorer or Netscape Navigator  [2]
    7. What is your email address at school, and your address at home? [2]
    8. look at the highest domain, e.g. za refers to South Africa, na to Namibia. [2] 

    [12]

/16/

Question 6 - Future trends - 10 marks

  1.  

    1. digital watch, microwave oven, laptop, hi-fi, washing machine, cell phone (I did not take stove or fridge as they could be old and not digital)

    [5]

  2. deploying parachute, communicating with earth, going to the toilet, conecting to the space station, etc.

[5]

/10/

Section C - 10 marks

Question 7 - Business and Presentation skills - 10 marks

  1. can easily correct mistakes, can change fonts and point sizes, can add clipart and graphics easily [3]
  2. Can show slides with animation to keep audiences attention  [2]
  3. add marks, sort names, calculate information [2]
  4. chart or graph  [1]
  5.   [2]
  1. DTP program - brochures, place mats, invitations
  2. HTM or HTML - web pages

/10/

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