PHS CyberSchool

Computer Studies SG Grade 11 - 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. Which of the following is a multitasking, multiuser, multiprocessing network operating system?
   1. DOS
   2. Windows 3.1
   3. Windows 95
   4. Windows NT
   5. None of the above
2. Which of the following allows Microsoft Windows users to easily join and share data among applications?
   1. GUI
   2. NOS
   3. NUI
   4. OLE
   5. OS/2
3. Which of the following is accessed when you switch on your computer?
   1. coprocessor chip
   2. RAM chip
   3. ROM chip
   4. Simba chip
   5. All of the above
4. Which of the following is a standard LAN component?
   1. cabling system
   2. network interface cards
   3. network operating system
   4. shared devices
   5. All of the above
5. Which of the following best describes the telephone line that is used in most homes today?
   1. coaxial cable
   2. fibre-optic cable
   3. modem cable
   4. twisted-pair cable
   5. None of the above
6. Which of the following configurations always uses a central server?
   1. bus
   2. hybrid
   3. ring
   4. star
   5. All of the above.
7. Which of the following do local area networks enable?
   1. access to databases
   2. better communications
   3. sharing of peripheral devices
   4. sharing of programs and data
   5. All of the above
8. Which of the following enables different computers on different networks to communicate with each other?
   1. FTP
   2. Internet service provider
   3. modems
   4. TCP/IP software
   5. All of the above
9. 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
10. 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

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. Computer programmers write in programming languages that resemble machine languages.
5. Hard disks may be affected by a head crash when particles on the read/write heads come into contact with the disk's surface.
6. Main memory is non-volatile.
7. The machine cycle is composed of the instruction cycle and the execution cycle.
8. The operating system remains in main memory at all times when your computer is on.
9. The picture phone has already been developed by the American firm AT&T.
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. If the hard disk of your computer is faulty, a computer technician will be able to replace it.
3. The recycle bin is a temporary storage area in your computer's RAM for deleted files.
4. A block is the intersection of a row and a column in a spreadsheet.
5. System software consists of several programs, the most important of which is the operating system.

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 - Hardware and Software - 15 marks

1. Why is speed an important issue when selecting a modem? [2]
2. What does the term platform refer to? [2]
3. What is the function of the registers? [3]
4. Name the four steps in the machine cycle in the correct order. [4]
5. List the four steps in the booting up process in the correct order. [4]

Section F - Data communication - 21 marks

1. What piece of hardware is found on a computer in a LAN but not in a stand-alone computer? [1]
2. Give two characteristics of a situation where each of the following types of operating systems will be preferred, i.e. when should one use peer-to-peer and when server-based network systems?
   1. peer-to-peer [2]
   2. server-based [2]
3. The network at PHS runs on a Novell Netware system with Windows NT, two totally different systems. What network qualifications should the network administrator have? [2]
4. In a computer network data must be safeguarded against accidental loss or corruption of data. Name two ways in which data can be corrupted accidentally and in each case write down one method of protecting the data. (4)
5. Name five tasks of a network administrator. [5]
6. Identify the pictures with respect to networks and networking in Appendix A. Write down the number of the picture and what it is. Select the words from the given list: BNC connector, Bus topology, Coaxial cable, Fibre optic cable, GAN, Hybrid topology, LAN, MAN, Mixed topology, Ring topology, Star topology, STP - IBM Universal Connector, Twisted pair cable, UTP connector, WAN. [5]

Section G - Social implications of the computer - 17 marks

1. What is the difference between a hacker and a cracker? Explain. [2]
2. How would you define information technology crime? [1]
3. What is the difference between software piracy and network piracy? [2]
4. Name two South African shops / stores which have a large online shopping / retail section. [2]
5. Name two ways in which you could find out whether a company that claims to sell products over the Internet, actually exists. [2]
6. Describe two ways of ensuring that any credit card information that you enter into a web page is secure and won't end up in the wrong hands. [2]
7. Describe two advantages to the consumer of banking via the Internet. [2]
8. Describe two disadvantages to the consumer of banking via the Internet. [2]
9. Describe two famous persons specifically connected with the ICT aspect of e-commerce, and indicate in which field of e-commerce they are involved. [2]

Section H - Business and Presentation skills - 12 marks

1. Presentation software comprises computer programs that can be used to organise and present information. When you evaluate your presentation you should make sure that it complies with certain criteria. For each of the following write down whether it should be one of the criteria. If not, motivate why not, or rewrite the sentence to make it true.
   1. The slides should include every single piece of information so the audience can read it. [1]
   2. The slides should contain as many colours as possible to hold the audience's attention. [1]
   3. Lots of different typefaces will make the slides more interesting. [1]
   4. The message should be clearly outlined without a lot of extra words. [1]
2. Most organisations use a letterhead on which to type official letters. How will they go about typing letters using a word processor
   1. on pre-printed letterheads? [1]
   2. when the letterhead is added electronically and must always be displayed in exactly the same way? [1]
3. When you give a print instruction the computer reports an error. Name three different causes for this error message. [3]
4. One of the fields in a database of items found in a music shop that sells compact disks and tapes will be formatted as TEXT, e.g. the TITLE of the music recording. Name three other formats (with the exception of text) and for each give an example of such a field in the relevant database. [3]

/100/

Appendix A

1	2
Did not print
3	4
5	6

Return to Grade 11 lessons in 2001 or Computer Studies lesson plan index. This work may be freely copied for non-commercial use only. Copyright © Pam Miller.