You can repair the computer by replacing a broken or faulty
component. ✓

You can upgrade the computer by adding new parts or replacing
existing ones with more powerful versions. ✓ 

Any ONE ✓

• Too many applications open.

Programs too large to run from available RAM.

Any TWO ways of decreasing electricity usage: ✓✓

• Decrease brightness settings of the screen.
• Unplug chargers when not in use.
• Change the balance between power consumption and performance.
• Set devices on sleep/hibernate mode.
• Buy energy efficient devices.

Any TWO benefits: ✓✓

• Greater productivity – time is saved by producing electronic documents versus type writers/Electronic communication enhance productivity.
• Information availability – access to current/accurate data/availability of information on the web.
• Fewer employees – will save on payroll expenses.
• Cost saving – do not have to print everything which saves paper.

NOTE: Do not award marks for repetition of the same concept or any reference to use of Internet.

Any TWO: ✓✓
Effective backup program includes the following:

• Create a schedule to backup files/Remember to make regular (daily, weekly and monthly) backups.
• Choosing to only backup files that have changed since last backup.
• Use incremental backup.
• Compressing files to save space on the backup media.
• Do not save the backup on the same computer hard drive.
• Keep your backup media saved preferably off-site.
• Backup only user data as software may be reinstalled.

Any THREE of: ✓✓✓

• Controls all resources (hardware and software).
• Responsible for the loading of programs and running programs.
• Provides user interface.
• File handling.
• Provide basic security.

Any TWO: ✓✓

• PAN is a computer network with a range of a few meters.
• PAN is organised around an individual.
• PAN is used for short exchanges of data.
• PAN is used for simple tasks like printing, downloading files.
• PAN is used for exchanging files with another device in close proximity. 

Any ONE ✓

• Use encryption e.g. WPA2
• Add a strong access password, etc.

• It improves browsing speed as pages can be loaded from the hard drive instead of being downloaded from the Internet. ✓
• Less data is consumed during the browsing process, as cached websites are not downloaded from the Internet. ✓ 

Any TWO ✓✓

• More bandwidth – better quality video.
• More bandwidth – smooth playback.
• Lower bandwidth can make watching videos online impossible.
• More bandwidth – one can get 'capped' quicker as higher bandwidth allows users to stream in higher quality, which uses more data, etc. 

Any ONE closed question: ✓

• (1) Indicate your gender:
• (3) Do you take part in sport?

Any ONE element: ✓

• Setting out the reason(s) for the survey.
• Thanking the respondent for their time/honesty/ willingness.
• Giving general instructions on how to complete the survey.
• Asking if they want feedback.
• Giving instructions on what to do with the completed survey. 

Any ONE disadvantage: ✓

• Requires Internet access.
• Data may be ‘skewed’ (since people without Internet access are excluded).
• Potentially less ‘personal’, e.g. cannot explain/motivate/clarify etc. 

Any THREE ✓✓✓

• Accurate
• Up to date/Current
• Valid
• Correct/verified
• Relevant
• Complete

Also accept: Correct format

Any ONE advantage: ✓

• Exposure to bigger markets
• Cheap way to advertise
• Lower overhead costs (less manpower etc.)
• 24/7/365 availability etc.

Any ONE disadvantage: ✓

• Only have exposure to clients who have Internet access
• Costs to create and maintain a website/experts needed etc. 

Any TWO ✓✓

• The data could be used to trace children.
• Identity theft.
• Stalking.
• NOTE: Assign according to sensible reasoning 

Any TWO ✓✓

• Dangerous objects can easily be replicated.
• Copyright issues.
• Disruption of formal manufacturing sector/loss of jobs. 

Any TWO design requirements to improve navigation ✓✓

• Information that is related should be grouped together e.g. personal information and exhibition stand information separately.
• The natural reading order is top to bottom and left to right. The text boxes/buttons could therefore be underneath each other rather than scattered across the form/order.
• Submit button should be at the bottom right hand side of the form as all the information should be completed before it is submitted.
• Missing labels.
• Include a title.
• NOTE: Accept any other sensible suggestion.

Identify any ONE as well as suggestion: ✓✓

• Checkboxes ✓ should be radio/option buttons. ✓
• The size of the table’s field ✓could be a combo box/list. ✓ 

To be able to separate the name and surname using text functions / To check that a space has been added to distinguish between the name and surname. ✓

• [Look for understanding of the central concept – separating first names and surnames (for some purpose or other)] 

Any TWO of: ✓✓

• Incorrect function: Replace COUNTA with COUNTIF
• Incorrect ‘less than’ operator: Replace > with <
• Currency symbol ‘R’ must not be prefixed to the amount: Replace R100 with 100 [ OR 100.00 ]
• The criterion must be enclosed in double quote marks: Replace <100 with "<100" [ OR "<100.00" ]

[For the first two bullet points, the correct replacement must be specified (e.g. cannot simply say ‘incorrect function’ or ‘incorrect operator’.]
Mark each bullet point separately. E.g. ‘Incorrect operator ... replace >R100 with <R100’ is worth 1 mark, even though the presence of the currency symbol is also incorrect.
Also accept correct rewriting of the function, marking each correction separately: =COUNTIF(B3:B10,"<100.00") 

Any ONE ✓

• Turn down the quality settings to a lower setting.
• Adjust the operating systems built-in content distribution network used for streaming large files. 

Any TWO of: ✓✓

• Sharing/transferring files.
• Identity verification/authentication purposes.
• Location-based profile automation.
• Can be used in payment systems.
• Switch devices on or off. 

Any TWO ✓✓

• Movement
• Sound
• Light

• Due to the fact that the content is not real, it may obscure or narrow a user's interests or tastes. ✓
• The marketing and advertising of AR devices can have a negative effect on society because of cybercrime and malware infection. ✓ 

Any TWO ✓✓

• Voice recognition software.
• Small pointer on a helmet to be used as a mouse.
• Large roller ball as a mouse. 

Any TWO ✓✓

• IoT allows objects to be sensed and/or controlled remotely across an existing network infrastructure.
• IoT creates opportunities for more direct integration of the physical world into computer-based systems.
• IoT improves efficiency, accuracy and economic benefit. 

When searching for information on the Internet, there are many results making it difficult to get to exact information for the request/Too much information. ✓
Effect: Any ONE ✓

• Time consuming
• Makes decision making quite difficult
• Over stimulation
• Anxiety 

Any TWO ✓✓

• The reader can read tags that are moving past/do not have stop and wait to be scanned.
• Hidden tags can also be read.
• Can read more than one tag at a time.
• Tags can be read from a greater distance than barcodes.
• Automated checking for tags, codes have to be scanned.
• Better control/security with tags.  

Any ONE ✓
Be able to:

• Detect objects in all directions
• Navigate
• Park the vehicle
• Start the vehicle

Accept: any other acceptable task. 

Any TWO ✓✓

• Sensors
• Antennae
• Receivers/Microphone
• Video cameras
• Storage device
• Computing device
• Robotic device
• Biometric scanner
• Accept: any other acceptable option. 

Any ONE ✓

• Malfunctioning of the system
• Expensive system
• Liability issues
• Susceptible to hacking

Accept: any other valid reason. 

Any ONE ✓ (1 mark for impact) ✓ (1 mark for explanation)

• Loss of working time − while viruses and pop up messages are removed and software is reloaded.
• Loss of business services − due to a DOS attack, hardware theft or disruption of a network.
• Financial losses/victim will be left with bills, charges and a damaged credit record – phishing/hacking.
• Loss of confidence and trust in the business – privacy/negative social media.

Accept any other negative influence on the business. 

Any TWO ✓✓

• Recycle old computers
• Reuse parts/donate
• Switch off when not in use
• Refill ink cartridges
• Do not print unnecessarily/do not waste paper
• Get rid of e-waste in a responsible manner
• Use energy efficient designs/hardware 

Any ONE ✓

• Equitable use of the data
• To prevent misuse of the Wi-Fi network
• Cost to the school
• Making large uploads/downloads

Also accept:
The number of users could slow down the connection.

Any THREE ✓✓✓

• Phone numbers
• Address
• School
• E-mail address
• Financial information e.g. bank details, pin numbers

Any other relevant answer.

Any TWO ✓✓

• Hacker
• Cracker
• Virus Author
• Cybergang
• Spammer
• Phishers
• Scammers