Information Technology Grade 10 March Test 2015 Paper & Memo

aN Downloaded from hlayiso.com KZN DEPARTMENT OF EDUCATION GREENBURY SECONDARY SCHOOL SEPTEMBER CONTROL TEST INFORMATION TECHNOLOGY GRADE 10 Date: 30 - 09 - 2015 DURATION: 1% HOURS MARKS: 60 - EXAMINER: M PADAYACHEE } MODERATOR: S NAIDOO INSTRUCTIONS: 1. 2. @ Answer ALL Questions. This paper consists of 4 questions and 6 pages including the cover page. Number your answers exactly as the numbering in the question paper. Read ALL the questions carefully. Do not do more than is required by the question. Write clear and concise answers. Use the mark guideline as an indicator to the number of points to write. Page 1 of 6

Downloaded from hlayiso.com QUESTION ONE ~ { Multiple Choice } 1.1. A service that allows you access to your e-mails by using software such as MS Outlook or Outlook Express. A) SMTP B) web-based e-mail C) ISP-based e-mail D) gmail 1.2. The total amount of data that can be carried from one point to another in a given time period is called _. A) Bandwidth B) Broadband C) ADSL D) CAP 1.3. A built in connection to another webpage. A) ICON B) Website C) Hyperlink D) TAB 1.4. A numerical address that uniquely identifies a computer either on a network or the internet. A) URL B) IP Adress C) WebID D) Serial number 1.5. An is anetwork where access is provided to the organisations’ private network to users from outside the organisation. A) Internet B) Intranet C) GAN D) Extranet 1.6. Also called a base station, consists of a sender/receiver (transceiver) and an antenna Which transmits and receives radio signals so that the devices that have a wireless network card are able to communicate with the rest of network. A) MODEM B) Access point C) Router D) Server 1.7. A. refers to a Web site or service that offers a broad array of resources and services, such as e-mail, forums, search engines, and online shopping malls. A) Portal B) Social media site C) Weblog D) Wiki 18.A is a website or web application that gathers different web content from many different on-line sources. A) Web Application website ; B) News website C) Content aggregator D) Cloud 1.9. A computer with full CPU, memory, backing storage and local software connected to a Network using a Server-Client setup. Page 2 of 6

Downloaded from hlayiso.com B) Fat client A) Server D) Peer C) Host 1.10. is an internet service which can provide on-line applications, store data on-line and in a recent trend provide hardware for use on-line. A) Cloud computing B) Interactive processing C) Batch processing D) Caching [10] QUESTION TWO Match the statements in 2.1. to 2.10. with the letter of the phrase or term in column B. COLUMN A COLUMN B 2.1. An area where wireless internet connectivity is made available to A. Thin Client users with a password. 2.2. Provides emergency power during a power failure. B. Pharming 2.3. A website that allows people to create and edit web content C. Bluetooth collaboratively, 2.4. Magnetic fields in two wires that interfere with each other, D. EMI 2.5. Wireless data transfer used over short distances with relatively small | E. RFID files. 2.6. An electronic signal that interferes with a normal network signal. F, Attenuation 2.7. A computer on a network with reduced CPU, memory and storage. |G. HTTP 2.8. Type of communication media that is completely immune to H. Hot Spot eavesdropping. 2.9. The loss of signal strength over increasing distance. I. Firewall 2.10. Software that hides your computer from other’s and denies certain | J. Crosstalk programs access to internet. K. Wiki L. UPS M. Fibre Optics [10 +2 = 5] QUESTION THREE Your expertise in LT. is required to help the administration manager of a local SPCA, Mr.Peter Parker, to solve hardware, software and network-related problems. They have six offices all within a radius of about 100 square metres. 3.1. Mr Parker wants to link the ten computers at headquarters which has five different offices. They chose to go with Ethernet LAN standard in a ring topology using fibre optic cables. Page 3 of 6

Downloaded from hlayiso.com 3.1.1. Briefly describe the terms below: a) WLAN (1) b) Topology (1) 3.1.2. State two advantages of having a network of computers to the organisation. (2) 3.1.3. Explain to Mr Parker why a wireless network is not feasible in this situation. State two reasons. (2) 3.1.4, Explain the purpose of a switch in the network. (2) 3.1.5. State two advantages of having centralisation of data. (2) 3.2. Mr Parker was told to setup a ring topology in the LAN at the SPCA. 3.2.1. What is a disadvantage of ring topology? (1) C 3.2.2. Draw a diagram to illustrate what a ring topology looks like. Show how the computers will be connected as well as the flow of data. (2) 3.3. Mr Parker was told to setup email accounts for ail his staff. Explain the following e-mail concepts to Mr Parker. 3.3.1. Ce (1) 3.3.2, Bee (1) 3.3.3. What is the accepted limit of an e-mail attachment? How would you overcome the issue of sending a larger e-mail attachment. (2) 3.4. Define the terms below: ( ; 3.4.1. Netiquette (1) 3.4.2. Twitter (1) 3.4.3. WAP (1) [20] Page 4 of 6

Downloaded from hlayiso.com Question Four Study the scratch program below and answer the questions that follow: 4.1, Determine the output for the input values: 4.1.1. sent = School is fun when its closed. (1) 4.1.2. sent = | don’t like cold-Mondays. (1) 4.2. Write the statement that is missing in the code for 4.2. (1) 4.3. What is the purpose of the code above? (2) 4.4. Write down, from the code, the three steps of the iteration structre. (3) 4.5. A list is given to you as shown below: [Jay [ Rodney | Pairick | Molly | Sharon | Leona | Rody [ Rene | You are required to write algorithm to show Mr Parker the steps he would perform search for a specific input name in the above list. Your algorithm must show the search value(Entered by user) and stored in a variable sName. The loop variable is called loop and the list above should be called NameList. (8) Page 5 of 6

Downloaded from hlayiso.com 4.6. The Scratch code below is designed to move duplicate elements to the end of a list. The missing pieces of the code have been removed and replaced by the letters (a) to (i). The missing pieces of code is labelled [1] to [9] on the right of the scratch code. Examine the code and complete the missing values (a) to (i) by writing only the number [1] to [9] that matches the letter found in the code. Example: (a) [4] (b) [1] etc PE ENTER: A NUMBER Ve aveti a ( 5 j Pe add: our (9) [25] apy REENBURY SECONDARY SCHOOL, DEPARTMENT OF MATHS & SCIENCES H.0.0. MRL PILLAY TOTAL = 60 afl Page 6 of 6

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