PHS CyberSchool

Computer Studies SG Grade 11 - 2000

Theory examination May 2000 - 90 minutes - 100 marks

Section A - 30 marks

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

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 communication bus which is used to fetch the address of an instruction from memory is called the …
   1. address bus.
   2. control bus.
   3. data bus.
   4. fetch bus.

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

5. Which is the fastest of the memory types listed?
   1. DRAM
   2. EDO RAM
   3. ROM
   4. SRAM

6. Which of the following are true?
   1. Computers can be used in management information systems for projections.
   2. Computers can be used in medical science to diagnose disease.
   3. It is against the law to make a copy of a computer game you bought and give it to a friend.
   4. The development of artificial intelligence assists the police to trace whether or not a suspect vehicle is stolen.
   1. 1, 2 and 4
   2. 1, 3 and 4
   3. 2, 3 and 4
   4. all

7. … 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

8. 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.

9. People who want to troubleshoot software and hardware problems study and obtain a(n) …
   1. B.Sc. degree.
   2. A+ certificate.
   3. C+ certificate.
   4. CNE.

10. The LPT port is most frequently used to connect the PC to a ...
    1. keyboard.
    2. modem.
    3. mouse.
    4. printer.

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Question 2 - Matching columns - 10 marks

Column A

Column B

Component of the central processing unit that decodes, synchronises and executes program instructions Most common international GAN Study of human factors in computer environments Produces form letters, mailing labels, envelopes, catalogs, and other types of merged documents Picture that appears in a web-page Memory chip soldered into a separate integrated circuit board which is then plugged onto the motherboard - usually associated with RAM Example of a web browser Painful swelling of the tendons and sheaths around them in the wrist 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. Paint-type graphic, that is composed of a series of black and white, or colored pixels (little squares)

Arithmetic/logic unit BIOS Bitmap Boxout Carpal tunnel syndrome Control unit Ergonomics Hotdog In-line image Internet Mail merge Netscape Network Protocol Pull quote RSI SIMM Vector

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

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. Wetware 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.

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Section B

Question 4 - Computer architecture - 33 marks

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

   [2]

2. 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]

3. List THREE architectural/physical features of a good desktop publishing computer.

   [3]

4. 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 4a.

   [6]

5. Memory - the part of the system used to store data and programs either permanently 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]

6. Study the following advertisement and answer the questions that follow:

   300A ... processor
   ... MB RAM
   2MB Graphics Card
   ... MB stiffy drive
   3.2GB ...
   17" Colour Monitor
   104 Windows Keyboard
   Scroll Mouse + Pad
   40X CD-ROM Drive
   16 Bit 3D Sound Card
   108W Speakers
   Windows 98
   3 CD Education Pack
   2 Yr Warranty
   Cost: R5699
   

   1. Name a brand name of processor sold in 1999.
   2. How much RAM would you expect with this computer?
   3. What does MB mean or stand for?
   4. What is the normal capacity of a stiffy drive?
   5. What operating system is supplied with this computer?
   6. What is the capacity of the hard drive?
   7. If you want to use the Internet what would you further require?
   8. Could you play a video on this computer? If yes, why? If no, why not?
   9. If you wanted to play a computer game such as Quake, Incoming, Forsaken and/or Myst on this machine what would you improve or add?
   10. What do you need if you want to make your own CD-ROMs?

   [10]

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Question 5 - Data communication - 17 marks

1. Name two South African ISP's.

   [2]

2. 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]

3. What is there to be scared of on the Internet or what should one be careful of? Explain.

   [2]

4. Explain in detail three factors that influence the speed of access to the Internet.

   [3]

5. In the newspaper Computer Week April 12 1999 the following advertisements appear. Answer the following questions based on the advertisements.
   1. Sales Exec ... 2-5yrs IT sales exp. H/W & S/W. Training provided R200K neg.
   2. Web Admin ... 5yrs HTML/CGI/JavaScript/Unix/networking securities exp R150K
   3. Wan Spec ... IT co listed on JSE. MCNE, CNE pref. 2yrs exp. NT and hardware R20K per month neg.
   
   
   1. One of the positions requires knowledge of JavaScript. Where can JavaScript be seen or experienced in the Pinelands CyberSchool environment?
   2. What software application taught at Pinelands CyberSchool uses HTML / HTM coding?
   3. Two of the positions refer to IT. What does IT refer to?
   4. Does any person on the staff at PHS have 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.

   [4]

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 run for a long time?
   2. Which computer company do you connect with the name Jeff Bizos?
   3. Which computer company has been in trouble with the US Justice Department for monopolistic business practises?
   4. What did Mark Shuttleworth and his firm Thawte Consulting contribute to e-commerce?

   [4]

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Section C

Question 6 - Presentation skills - 20 marks

1. Name four careers or jobs involved in creating a brochure, newspaper or magazine before the development of desktop publishing.

   [4]

2. 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]

3. In October 1999 the postmaster at Pinelands High School received a request from letskeepitprivate@ih2000.net to put information on the Pinelands High School Past Pupils' web page recently. She complied with the request. The information between brackets is the information on the Pinelands High School web page a few days later.

   (The 1951 graduating class are organising a class union on October 2, 1999. They will take part in the activities of Pineland Day, then class members will gather at the Catfish Cabin in Jasper for dinner that evening. Helen Rake Class of '51 is the contact person.

   Oh dear. I have made a huge mistake. I received an email letter from Helen. I checked the dates and it did not sound correct but I put up the information as requested. It took a day to register. The message was aimed at Pineland High School in the USA! - Oops, Sorry - Pam Miller, PHS Postmaster)

   Answer the following questions:
   1. When Helen Rake emailed the postmaster, how should she have known the country in which the school was situated? Explain with examples. [1]
   2. The postmaster at Pinelands High School did not recognise the domain in Helen Rake's address.
      1. What is a common domain in South African email addresses? [1]
      2. What is a common domain for American email addresses? [1]
   3. What is the role or duty of a postmaster (not webmaster)? [1]
   4. How did Helen Rake in Texas find the URL of PinelandS High School? Explain very carefully giving names and examples. [1]
   5. What are the first 10 characters of the URL of the Pinelands High School web site? [1]
   6. When Helen Rake looked at the Pinelands High School web page, what web browser would she probably have used? [1]
   7. If Helen Rake had looked at the web page closely she could have seen the Pinelands High School badge. Explain carefully how she could have taken the GIF badge off the page to use in her own newsletter describing the funny incident. [1]
   8. If she had used the GIF badge and made it a different size it would have developed fuzzy lines. Is the file format a bitmap or a vector format? [1]
   9. What Internet feature would allow the two people to have a private discussion in real time? [1]

[10]

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