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Computer Studies SG Grade 11 via the Internet in 1999

Last updated 2 May 1999

Theory examination May 1999 - 90 minutes - 100 marks

Section A - 30 marks

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

Select the one answer to each question.

  1. On the motherboard the … is the temporary computer memory area in which data can be stored.
    1. expansion slot
    2. math co-processor
    3. RAM
    4. ROM BIOS

  2. The use of fax machines, email and bulletin boards would not have been possible without …
    1. the fact that data can be stored.
    2. the use of application packages.
    3. data communication media.
    4. databases.

  3. The Microsoft Certified System Engineer qualification studies the …
    1. Linux system.
    2. Novell system.
    3. Microsoft NT server.
    4. Microsoft Office package.

  4. You want to print out a document on A4 paper. A table on the page is slightly too big. Which option will use to adjust the settings so that the table will fit in?
    1. Margins
    2. Paper size
    3. Paper source
    4. Printer setup

  5. … allow users to combine text and graphics and compile documents that look like professional publications.
    1. Hypermedia
    2. Desktop publishers
    3. Organisers
    4. Project management packages

  6. The storage capacity of a double-sided high-density floppy disk is …
    1. 1.2Mb.
    2. 360K.
    3. 1.44Mb.
    4. 720K.

  7. The device used in a data communication network to perform the conversion between analogue and digital signals, is called a …
    1. front end processor.
    2. modem.
    3. decoder.
    4. multiplexer.

  8. People who want to design and write computer programs for a career job study and obtain a(n) …
    1. B.Sc. degree.
    2. A+ certificate.
    3. C+ certificate.
    4. CNE.

  9. Which of the following statements are true with reference to a page in a word processing document?

    1. Margins are only valid for the current page
    2. Indents are measured from the edge of the paper
    3. Indents are measured from the margins
    4. Margins are defined for the whole document

    1. 1 and 2 are TRUE
    2. 1 and 3 are TRUE
    3. 2 and 4 are TRUE
    4. 3 and 4 are TRUE

  10. The extension for a graphic in a web page is …
    1. BMP.
    2. JPG.
    3. PCX.
    4. TIF.

/10/

Question 2 - Matching columns - 10 marks

Write down a letter of the item in Column B which best matches each of the descriptions in Column A.

Column A
Column B
  1. Component of the central processing unit that decodes, synchronises and executes program instructions
  2. Most common international GAN
  3. Study of human factors in computer environments
  4. Produces form letters, mailing labels, envelopes, catalogs, and other types of merged documents
  5. Picture that appears in a web-page
  6. Memory chip soldered into a separate integrated circuit board which is then plugged onto the motherboard - usually associated with RAM
  7. Example of a web browser
  8. Painful swelling of the tendons and sheaths around them in the wrist
  9. Excerpts from the body text of a desktop publishing document, which are pulled out of context. They are used to attract the reader to an especially interesting point.
  10. Paint-type graphic, that is composed of a series of black and white, or colored pixels (little squares)
  1. Arithmetic/logic unit
  2. BIOS
  3. Bitmap
  4. Boxout
  5. Carpal tunnel syndrome
  6. Control unit
  7. Ergonomics
  8. Hotdog
  9. In-line image
  10. Internet
  11. Mail Merge
  12. Netscape
  13. Network
  14. Protocol
  15. Pull quote
  16. RSI
  17. SIMM
  18. Vector

/10/

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

State whether each statement is True or False. Correct each of the false statements by rewriting the statement, changing the bold-printed portions only. No marks will be awarded for simply negating the false statement. (However you change the BOLD words the sentence must be grammatically correct.)

  1. A terminal is a device with a keyboard for inputting data to a computer and a display screen for receiving data from the computer.
  2. A facsimile (fax) is a device that allows computer data to be sent down a telephone line.
  3. It is legal to make a copy of a bought computer program and give it to a friend.
  4. We usually scan a page from top left to bottom right and we see the left-hand page first as we open a spread.
  5. When creating a graph for use in a presentation one should use the thinnest and brightest bars.
  6. Software is the physical components of a computer such as the CPU and VDU.
  7. Bandwidth is the measurement of the amount of data that can flow through a link between computers. It is measured in baud.
  8. Dr Solomon and McAfee are both integrated software packages.
  9. A good colour combination to use in a presentation is red on green as colour blind people can see it.
  10. When creating a presentation it is best to use 64 bit colour to reduce file size.

/10/

Section B

Question 4 - Computer architecture - 20 marks

  1. There are a number of interfaces between the memory of the computer and the microprocessor. These channels (or interfaces) are called buses.
    1. Name the THREE most important buses that are used by the control unit.
    2. Give the function of the buses mentioned in 1a.

    [6]

  2. The Pentium microprocessor has a 32-bit architecture. Explain how the speed of the computer is influenced by this architecture.

    [2]

  3. Memory - the part of the system used to store data and programs either permamently or temporarily.
    1. What important program is stored in ROM?
    2. What is Dynamic RAM used for?
    3. What is normally stored in the cache memory?
    4. What is Static RAM used for?
    5. What is stored in RAM when the computer is switched off?
    6. What is stored in ROM when the computer is switched off?
    7. What is the advantage of using the EDO DRAM chip?
    8. What is the main reason for the utilization of cache memory?
    9. Which, Dynamic RAM or Static RAM, must be refreshed by the processor in order to retain the content?

    [9]

  4. Motherboard - printed circuit board that contains the main components of a microcomputer.
    1. If you had an internal modem, into which part of the motherboard would you slot the card in?
    2. Name the common type of switch found on a motherboard.
    3. On the motherboard you maybe able to see thin traces or wires. What are these thin lines called?

    [3]

/20/

Question 5 - Data communication - 20 marks

    The Internet is a vast international network of networks where people linked to computer systems can communicate.

  1. State TWO advantages and TWO disadvantages of being connected to the Internet.

    [4]

  2. Name FOUR essential components for connecting to the Internet. (Include hardware and software in your list.)

    [4]

  3. Explain in detail THREE factors that influence the speed of access to the Internet.

    [3]

  4. Name FOUR South African ISP's.

    [4]

  5. You have received email from a number of people. How do you know from which country they come? Explain with examples.

    [4]

  6. Give ONE example of synchronous communication done via the Internet.

    [1]

/20/

Question 6 - Computers in society - 20 marks

  1. The Melissa and Happy99 viruses attacked PCs in 1999.
    1. How did the Melissa and Happy99 viruses get to individual PCs?
    2. What must a user do to prevent their computer being affected by such viruses?

    [2]

  2. You have had a request from a friend:
    'Please copy the desktop publishing package at school for me as I need to make a newsletter for a project.'
    Discuss the above with regard to the law, employment and finance.

    [3]

  3. In the newspaper Computer Week April 12 1999 the following advertisements appear. Answer the following questions based on the advertisements.


    1. Which position is in the sales field?
    2. Which position requires knowledge of Windows NT?
    3. Which position requires networking qualifications?
    4. One of the positions requires knowledge of JavaScript. Where can JavaScript be seen or experienced in the Pinelands CyberSchool environment?
    5. What software application taught at Pinelands CyberSchool uses HTML coding?
    6. Two of the positions refer to IT. What does IT refer to?
    7. One person on the staff at Pinelands High School has the qualifications and/or experience to apply for one of these positions. Who is that person? Indicate your choice of position and give a reason for your choice.

    [7]

  4. How can a computer hacker do more damage than an office burglar?

    [3]

  5. The computer industry is currently engaged in addressing the 'Year 2000' problem. The solution to the problem will be very costly and take up a lot of time. Explain what is the problem?

    [2]

  6. There are a number of people who have changed and are changing the world with their computer developments.
    1. Which company did Bill Gates help create and now run?
    2. Which computer company do you connect with the names John Sculley and Steve Jobs?
    3. Which South African cabinet minister or his department is trying to get all South Africa connected to the Internet and / or a telephone?

    [3]

/20/

Section C

Question 7 - Presentation skills - 10 marks

  1. Of a word processor and a desktop publishing package which would have the most use for the following?
    1. Guides to position text
    2. Mouse

    [2]

  2. List TWO architectural/physical features of a good desktop publishing computer.

    [2]

  3. What are the extensions of the following applications or packages?
    1. A web page
    2. Animation made with Gif Construction Set
    3. Picture drawn with Paint or Paintbrush
    4. Powerpoint
    5. Publisher
    6. Word

    [6]

/10/

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