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31750175260overberg EDUCATION DISTRICT00overberg EDUCATION DISTRICTMEMOGRADE 11: COMPUTER APPLICATIONS TECHNOLOGYJUNE 2016Examiner: E. Goosen Teacher: .................MARKS: 125QUESTION 1:[10]1.11.21.31.41.51.61.71.81.91.10D A B C A B C A D C QUESTION 2:2.1TRUE 2.2FALSE: magnifier/ onscreen keyboard/ 2.3FALSE: Ctrl. [5]Note to marker: No mark for False without correction. QUESTION 3:3.13.23.33.43.53.63.73.83.93.10C E A K D G I M J H [10]QUESTION 4:4.1.1Less people are employed; and the work is done faster. 4.1.2Repetitive mechanical actions are done quicker and with more attention to quality(2)4.2Lasers in eye surgery; heart monitorsblood pressure monitors;Decisions wrt medicine taken by analysing data of patients.(Any 2 )(1)4.3Input, process, output, save (store)(Any 2 )(2)4.4RAM/ SVE/ hard drive (Any 2 )(2)4.5The trend is to carry devices around with you and mobile technology is being used more often to make it mobile. (Note: Accept any correct answer that refers to the advantage of mobile technology.)(2)4.6Screen to sleep mode if there is no activity.Decrease brightness of screen.Set balance between use of electricity and performance.(Any 2 )(2)[11]QUESTION 5:5.1Input: Instructions about what to do next orData that has to be processed Output. Permanent copy of processing resultsback to user to enable interaction between user and computer To make transfer of data between computers possible.(Note:: One fact each )(2)5.2The higher the number that represents the colour depth the higher is the number of colours the scanner is able to distinguish. A picture of higher quality is therefore created.Resolution is determined by the number of pixels the higher the amount of pixels the better the quality of the scanned image(2)5.3Scanning of prices at a shop/ barcodesScanning RFID tags at event like ComradesNumber plates of cars at e-toll system. (Any 2 )(Note:: Accept any correct answer that refers to scanning)(2)5.4The price and code of new stock containing bar codes or RFID tags are scanned and entered into a database. As stock is sold and scanned at the point of sale, it is indicated in database and therefore it is easy to determine how many of an item is still available. (3)5.5The screen orientation is changed or adjusted depending on how it is held or moved around. It also enables user to control a program by movement. (2)5.6Digital zoom: enlargement function which does not provide quality photo’s when zoomed in too closely.Optical zoom: lenses on camera brings camera closer to object, better quality photos are taken..(2)5.7More accurate than humanData is measured automatically and can be scheduledData is gathered quicker./Data can be sent wirelessly to a central point.(Any 2 )(2)5.8Plug and Play (1)5.9VGA ports is replaced with HDMI enabling more and quicker data transfer of a large amount of data. (2)[18]QUESTION 6: Geheue, verwerking, stoor6.1If it is not saved, it will disappear. (1)6.2Primary = RAM Secondary = hard drive/ memory stick, etc.(4)6.3Right click on storage medium. PropertiesFree space in pink indicates how much is available. (3)6.4Archiving is the moving to an external storage medium of files to which no changes will be made again or that will not be used again soon. Example: Learner reports of the previous year. Note:: accept other examples that are correct (3)6.5Motherboard, CPU, RAM, ROM.(Any 2 )(2)6.6Disc clean-up Wizard does maintenance by removing the following to free some disk space: Note:: one of following for 2nd mark:: Temporary internet filesContents of the Recycle BinTemporary files created by ponents of Windows not usedPrograms not regularly used.(2)6.7Instructions from ROM sent to CPU. Boot-program makes sure that hardware works. Boot program searches for operating system and loads it to make computer accessible for user. (3)[18]QUESTION 7: 7.17.1.1 computers7.1.2 share7.1.3 communicate. (3)7.2WLAN is wireless. (1)7.3Workstation connected to network to use services/ resources . (2)7.4.1Tempo at which data is transferred by media used (2)7.4.2Type of cables used in network Devices used in network like switches. (2)7.5Cables/ radio waves/ cellular technology/ wi-fi/ satellite (Any 2 )(2)7.6.1Antenna(1)7.6.2Radio waves (1)7.7Causes web page to load very slowlyDistracts userUses more data ( = Cost)(Any 2 )User might need additional programs/ plug-ins to view it.(2)7.8.1Spyware is software that tries to monitor and track the way you use your computer This information is sent to a third pary (without user’s knowledge or permission)(2)7.8.2A keylogger is a program that records your keystrokes as you type In this way it can intercept sensitive information such as passwords etc. and send this to a third party for criminal or fraudulent purposes(2)[20]QUESTION 8: Oplossingsontwikkeling8.1.1The word that needs to be replaced (CAT), is in capital letters And only that word in capital letters needs to be replaced. (2)8.1.2CAT must only be replaced if it is a word on its own And not part of another word. (eg category)(2)8.1.3The computer will search for CAT in bold but there is no CAT in bold to be found in the document. (2)8.2Header/ footer. (1)8.3.1=D3/C1 *100 or=D3/C3*100(2)8.3.2The cell address in C1 moves down to the next as the formule is copied to the next cell.In this case there are words in the cell which should be used for the division and that causes the error message. (2)8.3.3Custom sort, according to column D , value largest to smallest(2)[13]QUESTION 9: 9.1No, the tablet is able to connect to the hotspot so the photos can be sent by email/ Whatsapp/ Facebook. (Note:: No mark for just No without explanation.Only one of the methods of sending – accept other possibilities as well.)(3) 9.2.1Public place (airport/ restaurant/ school/ community centre) where access to Internet is available, usually by a password that is given to user.(2)9.2.2Laptops and/ or smart phones can connect wirelesslyJudges can communicate with each other without leaving their stations The can send messages to the organisers/ people involvedConnect wirelessly to printer to print their reports/Comment about show on social mediaAny one (Note:: answer must be applicable to situation accepts other correct possibilities as well)(1)9.2.3Expensive to set up/ Security risk – could be hacked If not set up with password, unauthorised users could get access and finish the data.Signal slows down if there are too many users connected.Electronic disturbances can interfere with signal.Any one (1)9.2.4Username to log in.Password created for that day only.Password only to those who attend the show.Delete username and password after show.Any two (2)9.3.1Column/ cells in which he is working formatted to date. (2)9.3.2Column (Not cell) too narrow. Widen column./ Double click between letters at top of column to resize automatically. (2)9.4.1Icon in system tray indicates whether it is connectedWireless printer is available or not (ready or offline)When web page is opened an error message occurs.. Any two (2)9.4.2Use Troubleshoot to have computer find and fix problem.Open Network and Sharing to reconnect.Restart computerMake sure that router is switched on and that it is working correctly.The data might be finished.Any two (2)9.5Smartphone has built in technology that searches for wireless networks and connects if it is within range of the signal. (2)9.6Bluetooth/ radio waves/ Wi-fi Any one (1)[20]TOTAL: 125 ................
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