Information Technology Grade 12 April Test 2021 Paper & Memo

Stanmore Secondary School Department of Mathematics & Information Technology First Controlled Test 2021 GRADE 12 - INFORMATION TECHNOLOGY Time: 15 Hour Max Marks: 60 Examiner: Mr S. Naidoo Moderator: Mr AF Gabriel (Woodview Sec) Instructions 1. Answer all questions. 2. Only answers written in ink will be marked. 3. Write neatly and legibly. 4. This question paper consists of SIX questions in FIVE pages. ” Question One Various answers are provided as possible answers to the following questions. Choose the answer and write down the leter (A - D) next to the question number (1.1 - 1.5) in the answer book, e.g. 1.6 E 1.1 Convergence is ... A. Multiple devices running the exact same software B. Multiple devices having the same hardware failure Cc. Multiple devices technology and functions combines into one single device D. Multiple devices manufactured with defective hardware 12 is a convergence device. A. Laptop B. Netbook C Smartphone D E-Reader 1.3 uses a limited amount of faster media to speed up access to data and instructions stored on slower media. A Core B. BUS C. RAM D Cache Page 1lof5

1.4 means you have the right to the latest, most up to date version of the program for a payable monthly subscription. Windows Update SaaS Torrent Open Source goe> 1.5 software creates a secure, encrypted connection between your computer and the target network. Torrent Google Doc VPN Remote access GOP> 1.6 Which one of these hardware devices does not influence the performance of a computer A. Power supply B. CPU Cc Memory D. Cache 1.7 How many times will the following loop be executed? A€5 Repeat A € Power (A,0) - 2 Until A<=0 A. Five Times B. Never (e One time D: Infinite times 17] Question Two Scenario Mobile technologies are developing at a breakneck speed and it more exciting and capable devices will be available almost every month. Page 2 of 5

2.1 List 2 advantages of laptops as mobile technology. 2.2 List 2 disadvantages of smart phones as mobile technology. 2.3 List 2 differences between a laptop and a tablet. 2.4 Differentiate between "Always On" and "Always Connected". 2.5 "More powerful device = greater need for electricity" Explain this concept with regard to mobile technology's battery life and battery use. Question Three (2) (2) (2) (2) (2) [10] Scenario Some computers are faster than others. Most adverts flood us with technical specifications that are meant to give us a sense of how fast and powerful the machine is. 3.1 Explain the concept of a 4 core CPU. 3.2 What is the most cheapest and most simplest way to improve performance? 3.3 Explain how BUS speed can influence performance. 3.4 Acomputer was purchased for home use. List 3 tasks that this computer can be used for. 3.5 What does the abbreviation SOHO mean? 3.6 List 3 tasks that a SOHO computer can be used for. 3.7 Which is the cheapest and simplest way to improve the performance of a computer? 3.8 A friend bought an entry level computer with a 160GB H.D.D. with an integrated graphics controller. She wants to record wedding videos and edit them on this computer to earn money. 3.8.1 Why would it have been a good idea for her to check if the computer had a Firewire port? 3.8.2 Explain why a small H.D.D. will pose a problem in terms of editing videos? 3.8.3 Explain what is meant by integrated graphics controller. 3.8.4 Would this integrated graphics controller be adequate for video editing? Briefly motivate your answer. (1) (1) (1) (3) (1) (3) (1) (1) (2) (1) (2) [17] Page 3 of 5

Question Four Scenario The S.G.B. purchased a laptop for the librarian. The $.G.B. has to now decide on the software. The school principal has heard of cloud computing and SaaS (Software as a service). He asks the ICT department for clarity on these two aspects. Briefly explain by providing answers the following questions 4.1 What does it mean to store data ‘in the cloud’? (2) 4.2 Cloud computing includes applications such as ‘Google Docs’. Briefly explain how cloud applications work in general. (2) 4.3 Briefly differentiate between SaaS and the more traditional (older) software licensing models. (2) 4.4 Briefly discuss the ways in which cloud computing may affect connectivity needs of the library. (2) [8] Question Five Scenario Security We want to feel that our data is safe. We don’t want other people to be able to steal or destroy our work, our identity or our money. 5.1 List two tips/good practices when using an anti-virus software. (2) 5.2 Explain what a firewall is? (1) 5.3 Why do you need a firewall although you have installed an anti-virus software? (1) 5.4 One of the best tools in computer security is common-sense. List 2 ways in which you can check if an email is a scam or not. (2) 5.5 List THREE good password policy. (3) 5.6 List THREE points that must be followed for performing back-up. (3) [12] Page 4of 5

Question Six Study the MS Access table below and answer the question that follows MoviesTb : Table Field Name Data Type Oescription __ Title Text The title of the movie |_ [Director Text The name of the director __|Year Oate/Time The year the movie was released _Jbength Number Running time of the movie | Producer 1 Text Mame of producer _|Producer2 Text Name of producer __|Producer3 Text Name of producer __JActort Text Name of male star _|Actor2 Text Mame of male star __|Actor3 Text Name of male star __[Actress1 Text Name of female star __jActress2 Text Name of female star _JActress3 Text Name of female star __| Genre Taxt The type of movie (Action, Romance, Drama, Sci-Fi, ect) __ J Age Restriction Text Age restriction of the movie _|Price Currency The cost of the movie _|Rating Number Rating of the movie out of 10 gl iD AutoNumber An automatically generated field 6.1 Explain the concept primary key. (2) 6.2 Write down the primary key for the above table. (1) 6.3 What data type would you use for field “CellNumber” in the MS Access? Explain. (3) (6) Page 5o0f 5