PHS CyberSchool

Computer Studies SG Grade 10 - 2001

Last updated 27 November 2001

Theory examination November 2001 - 90 minutes - 100 marks

Section A - Multiple-choice questions - 10 marks

Select the one answer to each question which you think is the correct or best answer. Just write down the question number and the letter.

1. A kilobyte is equal to approximately
   1. 1000 bytes
   2. 10000 bytes
   3. 1 million bytes
   4. 1 billion bytes
   5. None of the above
2. Which of the following converts computer output into printed images?
   1. keyboard
   2. mouse
   3. printer
   4. scanner
   5. All of the above
3. Which of the following is distributed free of charge but requires users to make a contribution later on?
   1. freeware
   2. proprietary software
   3. public domain software
   4. shareware
   5. All of the above
4. Which of the following would you use to write files for the Web?
   1. FTP
   2. Gopher
   3. HTM
   4. HTTP
   5. All of the above
5. Which of the following enables digital data to be transmitted over the phone lines?
   1. keyboard
   2. modem
   3. mouse
   4. scanner
   5. All of the above
6. Which of the following addresses might you use to connect to a non-profit organisation?
   1. clifford@iafrica.com
   2. help@volunteer.mil
   3. petrust@mweb.co.za
   4. susanh@universe.org
   5. All of the above
7. What hardware category does magnetic tape fall into?
   1. communications
   2. input
   3. output
   4. processing and memory
   5. storage
8. Which of the following isn't an example of a file management command?
   1. copy
   2. erase
   3. format
   4. rename
   5. All of the above
9. Which of the following should you consider using if you have to work in a confined space?
   1. digitising tablet
   2. keyboard
   3. mouse
   4. trackball
   5. None of the above
10. ……….. is a relatively simple high-level language that was developed to help students learn programming.
    1. ADA
    2. BASIC
    3. C
    4. COBOL
    5. All of the above

Section B - True or False - 10 marks

Indicate if the following are True of False. Just write the number of the question, and True or False.

1. A digital signature looks the same as your signature on a cheque.
2. A smart card looks like a credit card but contains a microprocessor and memory chip.
3. A spreadsheet is composed of fields, records and files.
4. A Wide Area Network enables the sharing of peripheral devices, programs and data.
5. Application software starts up the computer and functions as the principal coordinator of all hardware components.
6. Encrypted data isn't directly usable.
7. Ergobiology is the study of the physical relationships between people and their work environment.
8. Magnetic tape can handle only sequential data storage and retrieval.
9. Photos taken with a digital camera can be downloaded to a computer's hard drive.
10. Viruses can be passed to another computer by a diskette or through a network.

Section C - True or False, correct it - 5 marks

In each of the following cases indicate whether the statement is True or False. Correct each false statement by rewriting the statement, changing the bold-printed portions only. No marks will be awarded for simply negating the false statement.

1. A bank credit card is used to instantly transfer money electronically from your account to the account of the firm where you are buying.
2. A block is the intersection of a row and a column in a spreadsheet.
3. If the hard disk of your computer is faulty, a computer technician will be able to replace it.
4. System software consists of several programs, the most important of which is the operating system.
5. The recycle bin is a temporary storage area in your computer's RAM for deleted files.

Section D - Terminology - 10 marks

For each of the following write down the letter of the item in Column B which best matches the description in Column A.

Section E - 65 marks

1. ABC Stores have their head office and five branches in the suburbs of Cape Town. Each branch has its own manager and administrative personnel who are fully responsible for operating the branch. Each branch must report to the head office monthly. At each branch between 3 and 10 personal computers are used to process the data. Take these facts into consideration when answering the following questions.
   1. What kind of area network will be found at each branch? (1)
   2. What kind of area network will link the whole group of stores? (1)

   [2]

2. Name two Windows operating systems and give a unique characteristic of each.

[2]

3. What three characteristics determine the clarity of a computer screen?

[3]

4. List four areas and or describe four areas in which the Information Superhighway promises great benefits.

[4]

5. 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 Bezos?
   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]

6. You have been asked to help organise a concert.
   1. You have to create advertising for the concert. There are two types of graphics - vector and bitmap. Which type of graphic would you use if you wished to enlarge or make the graphic smaller without creating fuzzy lines? (1)
   2. Give the name of a well-known computer program that will let you create graphics in bitmap format. (1)
   3. Owing to certain problems you will have to create the brochure at one centre and print it at another centre. Name two fonts that are certain to be on both computers. (2)

   [4]

7. Imagine that you were setting up a small shop selling clothes. At any time there would be a manager and two assistants on duty. Provide the following information in table format.
   1. List three items of ICT equipment would you need in your shop?
   2. Describe the tasks your ICT equipment would perform?
   3. State the benefits you would expect from each.

   	Item	Description of task	Benefits
   A			(2)
   B			(2)
   C			(2)

   [6]

8. At the end of the year there will be many family dinners. As you are doing Computer Studies you have been asked to assist with such a 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. What specific computer program can you use to obtain the pictures? (1)
   3. The place mats must be printed in colour. What specific type of printer could you use? Give a reason for your answer. (1)
   4. 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)
   5. It is decided that each member of the family create an object to be kept for posterity. The object would be kept in a sealed container, to be opened in 2050. What are the advantages or disadvantages of making that object in digital (computer) format? (2)

   [7]

9. A tennis club's secretary treasurer wishes to create a database of the members of the club including their personal details and membership fees. Each member has a unique membership number. There are 50 members of the club. Note these facts and answer the following questions:
   1. Name two types of data, which can be used in the design of fields. Next to each type of data give an example that could be found in this database. (2)
   2. How many records will be in this database? (1)
   3. Give a suitable file name with an extension, for the file in which this database is stored. (1)
   4. Name a primary key field found in this database. (1)
   5. Which function of the word processor can be used to personally invite every club member to the annual dance? (1)
   6. How can she use this database to address these invitations? (1)

   [7]

10. "Absa Direct Internet Banking is the new direct banking system offered to Absa clients. The service is available using the Internet and it allows you to access your bank accounts from anywhere. " Taken from the Absa web site May 2001.
    1. Give one economic reason why Absa is encouraging Internet banking? Explain in a full sentence. (1)
    2. Give one advantage for the client of Internet banking? Explain in a full sentence. (1)
    3. What is the Absa web address? (1)
    4. What do the clients use to make sure the 'wrong' people do not access their Internet account? Explain in a full sentence. (1)
    5. What would your email address be if you had an account with MWeb? (1)
    6. What software would you need to access the Absa web site? Give the type of software and the name of a application, e.g. a word processor and MSWord. (2)

    [7]

11. Mary Taylor rents a flat from the City Council. If she finds that her flat needs repairs she walks to the Council's local office, one of 45 around the city. There a clerk sits next to Mary at a desk containing nothing but a VDU and a keyboard. She explains her problem to the clerk who types her address on the keyboard and a fraction of a second later certain details of her flat appear on the screen. The clerk adds the details of the repairs that are necessary and this information is stored. Later that day in another office elsewhere in the city a computer printout informs the works department of the problem at Mary's flat. Within a few days the repairs should have been done.
    This computer is only one of about two hundred terminals all connected via telephone lines to a massive computer located near the city centre. All the data which the clerk needs to carry out her work is kept on disk drives on the central computer.
    1. Why do you think the data is kept on a hard disk and not on magnetic tape? (1)
    2. Name one other storage devices (other than hard disks or magnetic tape) used by computers. (1)
    3. The clerk makes use of a keyboard which is the most common input unit. Keyboards are, however, not all the same. Name four ways in which keyboards can differ. (4)
    4. The Council needs to print statements for each tenant at the end of each month. These statements are printed in duplicate, using carbon paper. What printer would you recommend to them? Motivate your answer. (1)

    [7]

12. Answer the questions based on the following advertisement from Incredible Connections valid for 13 to 18 November 2001. The computer costs R12999.99

    • Intel Pentium 4 Processor 1.70GHz
    • 40 GB HDD
    • 256 MB RAM
    • 12 X DVD ROM & CDRW drives
    • 56K fax modem
    • TNT2 4 X AGP 32MB video card
    • 17" SVGA colour monitor
    • 120 Watt speakers
    • MS PS2 mouse
    • MS Windows XP Home
    • 2 Year warranty

    1. Is this computer a desktop or a portable computer?
    2. Why would it be possible or impossible to use this computer to save work on a CD-ROM?
    3. This computer costs R12999. If you had to do homework on a computer, would it be more economical to buy a 80286 processor computer for R2000? Give a detailed reason for your answer.
    4. Is the keyboard a QWERTY or a Dvorak keyboard?
    5. If you wanted to scan pictures what additional hardware would you require?
    6. How much storage space does the computer have?
    7. Will PowerPoint be on the computer already, if you buy it?
    8. What holds the programs that you run in memory, as you use them?
    9. What kind of input device does this computer have?
    10. What size floppy / stiffie disks does this computer use?
    11. What of the above will be read by a laser?
    12. What operating system is already loaded on this computer?

[12]

Return to Grade 10 lessons in 2001 or Computer Studies lesson plan index. This work may be freely copied for non-commercial use only. Copyright © Pam Miller.