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Computer Studies SG Grade 11 - 2002

Last updated 28 May 2002

Theory examination May 2002  - Answers

Section A - 30 marks

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

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

/10/

Question 2 - Matching columns - 1 each - 10 marks

  1. 16 - P
  2. 2 - B
  3. 18 - R
  4. 19 or 20 - S or T
  5. 12 - L
  6. 5 - E
  7. 8 - H
  8. 14 - N
  9. 15 - O
  10. 13 - M

/10/

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

  1. T
  2. F - [ http://www.elections.org.za ]
  3. F - right
  4. F - widest
  5. F - technician
  6. F - router
  7. T
  8. F - amazon.com or exclusivebooks.co.za
  9. F - primary
  10. F - synchronous

/10/

Section B - 50 marks

Question 4 - Computer Architecture - 26 marks

  1. expansion slots, ports, sockets (1)
  2. gold or sliver wires (1)
  3. data (1)
  4. store operating system, program instructions (application) and data in current use (1)
  5. nothing (1)
  6. 128 mg (1)
  7. BIOS (1)
  8. allow SIMM boards to be inserted quickly, upgrade system (1)
  9. temporary storage of data or instructions likely to be needed next by the processor (1)
  10. cache (1)
  11. both primary and secondary memory? (1)
  12. more cache, retains most recently used areas of memory (2)
  13. cannot or is more difficult to alter it, holds data and instructions when the computer is off..   (2)
  14. Celeron, Pentium, Cyrix, IBM, Centaur, AMD, Intel (2)
  15. RAM, cache, registers (2)
  16. holds page of recently visited sites, useful because browser looks in cache for recent sites before looking on the web, web can be slow and hence expensive (3)
  17. (4)
    1. Address BUS - 3, 4, 5
    2. ALU (Arithmetic Control Unit) - 1
    3. Control Bus - 3, 4, 5
    4. CU (Control Unit) - 1
    5. Data Bus - 3, 4, 5
    6. Expansion slots - 7
    7. I/O bus - 8
    8. RAM - 6
    9. Registers - 1
    10. ROM - 2

/26/

Question 5 - Data communication and networks - 21 marks

  1. developed web encrytion software, bought by Verisign - 'Verisign enables people everywhere to communicate, to exchange sensitive documents, and to engage in commerce with confidence.'  ' Verisign is the world's largest provider of digital trust services.'

    [2]

  2.  
    1.  
      banking - ABSA
      shopping - name any online shop, e.g. megashopper, kalahari.net
      selling services - legal or medical advice (2)
    2. no expensive prime area rent, fewer staff, wider market, larger exposure, can compete with large firms (2)

    [4]

  3.  
    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]

  4.  

    1. less staff required, more efficient, less prime area rentals needed, need to do anything to help clients. (1) 
    2. less standing in queues, can do banking from comfort of home, quick (1)
    3. no personal touch (1)
    4. www.absa.co.za (1)
    5. use passwords and pin numbers  (1)
    6. ***@mweb.co.za (1)
    7. Internet banking - the monthly fee is less than the face-to-face banking fee, do not pay for cash deposits, much lower transaction fees. (1)
    8. browser and Internet Explorer or Netscape Navigator (2)
    9. pay taxes, apply for a loan, transfer funds, pay accounts (2)

    [11]

/21/

Question 6 - Social and ethical issues - 7 marks

  1.  
    1. Business Software Alliance (1)
    2. buys one copy, plus enough licences for every work station  (1)
    3. downloads shareware from the net, installs its, when its time period is over and it is suitable, buys and pays for it online (1)

    /3/

  2.  
    1. able to work in own home, work when convenient, no waiting in traffic (2)
    2. less traffic congestion, do not have to keep expensive offices - can email work to one central point (2)

    3. /4/

Section C - 16 marks

Question 7 - 16 marks

  1.  
    1. vector (1)
    2. Paint, PaintShopPro (1)
    3. WinZip (1)
    4. colour as the colour cartridges are very expensive  (1)
    5. more wizards, better able to manipulate graphics and objects (2)
    6. MSPublisher, Quark Express (2)

    [8]

  2.  
    1. animated, multimedia - slides (1)
    2. to show animations to an audience, grab their attention. (1)
    3. web cam (1)
    4. Java, JavaScript (1)
    5. to provide access to those far away, to provide access at any time of day, cheaper than creating an expensive brochure, easy to update and provide latest information (2)
    6. FrontPage, HotDog, Dreamweaver (2)

      [8]

/16/

/100/ 

This work may be freely copied for non-commercial use only. Copyright © Pam Miller.