PHS CyberSchool

Computer Studies SG Grade 10 

Theory examination May 2005 - 90 minutes - 75 marks

Question 1 - Multiple-choice questions - 1 mark each - 15 marks

1. A ... is a series of instructions that tells a computer what to do and how to do it. 
   1. command 
   2. data 
   3. program 
   4. user response 
2. Which of the following converts computer output into printed images? 
   1. keyboard 
   2. printer 
   3. scanner 
   4. all of the above 
3. What device would a cashier at Checkers use to input data about bought items? 
   1. bar code reader 
   2. joystick 
   3. stylus 
   4. touch screen 
4. At the MTN Science Centre there is a car with simulation software for racing, and at a pilot training centre there are planes with simulation software for flying. Which of the following are not suitable input devices for such situations?
   1. joystick 
   2. keyboard 
   3. pedal 
   4. scanner 
   5. wheel 
5. The NUM lock, which locks and unlocks the numeric keypad, is an example of a(n) ... key. 
   1. application 
   2. function 
   3. toggle 
   4. Windows 
6. A(n) ... is a battery-powered device that transmits data using wireless technology such as radio waves or infrared light waves. 
   1. cordless keyboard 
   2. enhanced keyboard 
   3. ergonomic keyboard 
   4. portable keyboard 
7. Voice input is the process of ... 
   1. entering data by speaking into a microphone. 
   2. entering any sound into the computer such as speech, music and sound effects. 
   3. capturing full-motion images into a computer and storing them on a storage medium. 
   4. all of the above. 
8. A portable keyboard ... 
   1. has a design that reduces the chances of wrist and hand injuries. 
   2. has twelve function keys along the top, two CTRL keys, two ALT keys, and a set of arrow and additional keys between the typing area and the numeric keypad. 
   3. is a full-sized keyboard you conveniently attach and remove from a PDA. 
   4. is an infrared image of a keyboard projected on a flat surface. 
9. ... is an ideal form of input for physically challenged users. 
   1. a head mounted pointer 
   2. a keyguard 
   3. keyboard 
   4. voice recognition 
10. The most widely used biometric devices used in industry and in South African government pension payouts is the ... 
    1. face recognition system 
    2. fingerprint scanner 
    3. hand geometry system 
    4. iris recognition system 
11. ... format reduces the size of an audio file to about one-tenth its original size, while preserving the quality of the sound.
    1. BMP 
    2. GIF 
    3. JPEG 
    4. MP3 
12. Many web addresses begin with http which is the ... 
    1. domain name 
    2. page name 
    3. path 
    4. protocol 
13. To save an image on a web page: 
    1. Right-click on the image and follow the instructions. 
    2. Save the whole page (File, Save As) and find the image in all the material saved. 
    3. You cannot get an image off a page to use in a document. 
14. A pdf (Portable Document File) file can be viewed on the Internet but may take a long time to open. It is quicker to save it, and then open it with Adobe Acrobat Reader later when you are off-line. To save it to download and read later right-click and click ...
    1. Add to Favorites... 
    2. Copy Shortcut 
    3. Open in New Window 
    4. Print Target 
    5. Save Target As... 
15. The pictures from the Red Cross Hospital Primary School web site have a blue border. Select the wrong statement: The blue border ... 
    1. indicates that it is a hyperlink
    2. indicates that when clicked the picture will open to a large picture
    3. is an indication that the web designer considered poor bandwidth
    4. is just a pretty blue border with no special meaning

    /15/

Question 2 - Matching columns - 1 each - 10 marks

Column A

Column B

Allows an e-commerce customer to collect purchases  Communications activity on the Internet  Designed to reduce the chance of wrist and hand injuries  First page on a web site  Identification code that consists of vertical lines and spaces of different widths  Process of transferring data in a continuous stream  Process of transferring documents, graphics and other objects from your computer to an Internet server  Rectangular pad that provides better traction than the top of a desk  Small version of a larger graphic  Symbol on the screen that indicates where the next character typed will display

bar code  downloading  ergonomic keyboard  graphics  tablet  home page  insertion point  mouse pad  player  pointer  shopping cart  streaming  thumbnail  traffic  uploading

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Question 3 - Computer architecture - 17 marks

1. What type of scanner is used in the issuing of books in a library? [1]
2. You have an old computer (more than 2 years old) and have been given a new mouse.  What does the mouse need to work with that computer?  [1]
3. List two clear rules of cell phone netiquette. [2]
4. List three ways of connecting a pointing device to the computer.  [3]
5. If you needed to use a computer but were unable to use your hands to type/key in data what hardware/software would you use?  How would it work?  Name a software package.   Explain and discuss. [3]
6. Imagine that your father wants to buy a new computer. Provide reasons why he should buy an optical mouse rather that a mechanical mouse. Give a persuasive argument including details about costs, use, cleaning, etc. [4] 

7. Identify the following. For each question select one option from: Power plug/connector - Monitor plug/connector - Flash drive - Mouse and keyboard connectors [3]

   1. 1 is/are a 
   2. 2 is/are a 
   3. 3 is/are a  

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Question 4 - Data communication/Internet - 27 marks

1. Name a new South African ISP. [1]
2. How is a web site different from a web page? [2] 
3. Explain how a small child who cannot write words or use the keyboard can have an email sent to granny with a parent's assistance.  [2]
4. You have received email from a number of people. How do you know from which country they come? Explain with examples. [4]
5. Using the menu bar

   
   Select from File, Edit, View, Favorites, Tools and Help 

    

   1. History stores the web sites and pages you've viewed in the last few days, hours or minutes. Which item on the menubar would you click to access options to set the number of days pages are saved in History? [1]
   2. Which item on the menubar would you click to access options to print a page with background colours and images? [1]
   3. You have a very slow connection to the Internet. Which item on the menubar would you click to access options to prevent the downloading of animations, sounds or videos? [1]
   4. Which item on the menubar would you click to access options to find an online web tutorial (tour) of the Internet?  [1]
   5. You have poor vision. Which item on the menubar would you click to adjust the text size?   [1]
    
6. Select from 1, 2 and 3. Which icon on the toolbar would you click to ... 

   

   1. refresh a page so that the latest information shows?  [1]
   2. stop the downloading of a page?  [1]
   3. quickly return to your home page while surfing the web? [1]
    
7. Using the Internet effectively: 
   1. When is the best time of day to go online for a fast connection? Explain.  [1]
   2. Which day of week is the best to go online for a fast connection? Explain.  [1]
   3. When is the best time of day and of week to get a cheap connection? Explain.   [1]
   4. When is the best time with respect to day and time to go online for cheap fast connection? Explain.  [1]
   5. Name two fast search engines.  [2]
   6. Name two local ISPs.  [2]
   7. Discuss/describe two other topics, besides time of day/week, fast search engines and ISPs on using the Internet effectively.  [2]

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Question 5 - General - 6 marks

1. Name two well known software applications on your computer at home.  List the software and indicate how they make your life easier at home  For example, use Word to write thank you letters for birthday presents.  (Do not indicate they can be used for homework.  How can you use them at home!)  [2]
2. As you are doing Computer Studies you have been asked to assist at a family celebratory dinner. You are responsible for the place mats. The place mat must include an interesting frame and a picture of a guest. Pictures of family members can be taken from old photographs. You have the required computer equipment in the home in which the dinner will be held.
   1. What computer equipment can you use to obtain the pictures? [1]
   2. The place mats must be printed in colour. What specific type of printer could you use? Give a reason for your answer. [1]
   3. In case an unexpected guest comes, you must be able to make an instant photograph of him/her which can be turned into a place mat. Explain in two steps how you would you do this? [2]

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