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Computer Studies SG Grade 12 - 2001

Last updated 28 May 2002

Theory examination May 2001 - 90 minutes - 100 marks - Answers

Section A - 30 marks

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

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

 

/10/

Question 2 - Matching columns - 1 each - 10 marks

  1. D
  2. G
  3. M
  4. L
  5. Q
  6. F
  7. U
  8. T
  9. K
  10. Z

/10/

Question 3 - True or False - 1 mark each - 5 marks

  1. False - Primary
  2. False - Peer-to-peer
  3. False - Linux
  4. False - Technician
  5. True

/5/

 

Question 4 - Dear Doctor Byte ... - 1 mark each - 5 marks

Answer each question with a short answer.

  1. Use scandisk and defrag
  2. You deleted the printer drivers or dlls (not files)
  3. use PkZip, compress
  4. scan the pictures and send it as an email attachment  - (must have scan and email)
  5. delete the file in the printer queue or line (not switch the printer off), click abort print

/5/

Section B - 50 marks

Question 5 - Software - 20 marks

  1.  
    1. Windows NT or Linux
    2. Windows 98 or Linux
    3. Windows 98 or Linux

    [3]

  2.  
    1. Internet Explorer, Laplink
    2. WordPerfect8, Office 2000
    3. Windows 2000 
    4. Norton Anti-Virus, PC Handyman

    [4]

  3.  
    1.  
      • Macro virus - A series of instruction that automate tasks within certain applications or systems.
      • Boot sector virus - Infects the original boot sector of a floppy disk.
      • Companion virus - A viral program that does not actually attach to another program, but which uses a similar name and the rules of program precedence to associate itself with the regular program.
      • Overwriting virus - A virus that overwrites infected files, overwrites files with garbage data, effectively destroying the data overwritten.
      • Multipartite virus - Virus that infects master boot records, boot sector and files.
      • Worm - A virus that usually replicates using computer networks, such as via email or IRC.
      • Email virus
      • Trojan horse - Not technically a virus.
    2. Use anti-virus package, right protect disks, disable the CMOS (1)
    3. Use Internet anti-virus package, use a firewall, use an ISP which scans mail (1)

[4]

  1.  
    1. input/output management 
    2. user interface 
    3. memory management 
    4. resource allocation, time management

    [4]  

  2.  
    1. BIOS (1)
    2. CMOS(1)
    3. ERROR(1)
    4. Bootstraploader (1)
    5. Operating system (1)

    [5]

    /20/

Question 6 - Data communication and networks - 30 marks

  1.  
    1. fibre optic
    2. satellite

    [2]

  2. Do not have the skills to network the computers.  Scared of viruses.  If using Windows NT too few computers, not worth the effort.  Too much effort.  Could be done very quickly using Windows 98.  

    [2]

  3.  
    1. Ones that do not require personal contact - sales of goods best form of commerce, e.g. books at kalahari.net or transfer of funds, e.g. banking - ABSA (1)
    2. No need to have expensive property in a prime position.  No need to have large staff complement.  Can provide service 24 hours a day.  Less problems with shoplifting.  Able to reach a wide market. (2)

    [3]

  4.  Use Sandra Jacobs; textbook - has list -  cell phone, stylus, microbrowser, HTML, WML, WAP enabled phones, WAP gateway and Nokia.

    [4]

  5.  
    1. Able to supplement their poor resources
    2. Slow download time, need good bandwidth, slow at times, viruses..
    3. Pornography, unsuitable information

    [4]

  6.  
    1. gateway
    2. hub
    3. repeater
    4. bridge
    5. router.

    [5]

  7. Learners had seen this Powerpoint - What is a network?  Many of these words had been explained in other places of the exam paper - here learners had to explain it with reference to an authentic situation. 
    1. dedicated digital line
    2. firewall
    3. frame relay backbone cloud
    4. gateway
    5. hub
    6. packet/packet switching
    7. RAID
    8. regional node
    9. router
    10. UPS

    [10]

/30/

Section C - 20 marks

Question 7 - 20 marks

  1.  
    1. text - name of player, currency - fees, date/time - year of joining, OLE - picture of member, number - number in family (2)
    2. 50 (1)
    3. ..................mdb (1)
    4. unique membership number. (1)
    5. mailmerge (1)
    6. merge names of members with letter found in word (1)

    [7]

  2.  
    1. head office at A where a work station handles all office administration (1)
    2. only used by firm, available all the time (1)
    3. fibre optic, satellite (2)
    4.  
      1. database  (1)
      2. word processor, desktop publisher (1)
      3. spreadsheet (1)

    [7]

  3.  
    1. vector  (1)
    2. Paint, PaintShopPro  (1)
    3. Comic Sans, Arial, Times New Roman  (2)
    4. Moveable objects more easily available, good wizards, more templates (2)

[6]

/20/

/100/

Return to Grade 12 lessons in 2001 or Computer Studies lesson plan index. This work may be freely copied for non-commercial use only. Copyright © Pam Miller.