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5.1 TWO advantages of grid computing (1) Large processing tasks are shared over many computers/Enormous processing power (2) The failure of one computer will not affect processing tasks (3) Scaling of processing power is easy (4) Uses idle resources (cost effective) (5) Not necessary to invest in expensive equipment for tasks requiring large processing power 5.2 TWO similarities between VoIP and streaming (1) Both technologies support video and/or sound/Both require similar hardware (2) Both technologies support adjusting quality (compression settings/various codecs) (3) Both technologies run over the internet/Both require high speed internet connection/high bandwidth (4) Both technologies run in real time 5.3.1 Technology represented by the image IoT / Internet of Things 5.3.2 Representation of arrows in IoT image (1) Communication/data flow between the devices and the cloud/internet (2) Technology is dependent on reliable connectivity/cloud services 5.3.3 ONE concern regarding IoT (1) Can be hacked/loss of privacy/Security issues (2) IoT technology is dependent on reliable connectivity/cloud services 5.4 Purpose of a browser add-on To add extra functionality that is not ordinarily available in the browser 5.5 ONE reason to adjust the home page settings in a browser Have a certain website load automatically when opening the browser 5.6 TWO disadvantages of deleting browser history and cache (end-user perspective) (1) Pages (you visit frequently) take longer to load (2) Additional bandwidth/data is used to download resources again (3) You may not remember the sites you visited in the last week/month/year (4) Unable to track browser activity of a user 5.7 Explain the concept of a cap in the context of internet access - NSC Computer Application Technology - Question 5 - 2021 - Paper 2
Question 5
5.1 TWO advantages of grid computing (1) Large processing tasks are shared over many computers/Enormous processing power (2) The failure of one computer will not aff... show full transcript
Worked Solution & Example Answer:5.1 TWO advantages of grid computing (1) Large processing tasks are shared over many computers/Enormous processing power (2) The failure of one computer will not affect processing tasks (3) Scaling of processing power is easy (4) Uses idle resources (cost effective) (5) Not necessary to invest in expensive equipment for tasks requiring large processing power 5.2 TWO similarities between VoIP and streaming (1) Both technologies support video and/or sound/Both require similar hardware (2) Both technologies support adjusting quality (compression settings/various codecs) (3) Both technologies run over the internet/Both require high speed internet connection/high bandwidth (4) Both technologies run in real time 5.3.1 Technology represented by the image IoT / Internet of Things 5.3.2 Representation of arrows in IoT image (1) Communication/data flow between the devices and the cloud/internet (2) Technology is dependent on reliable connectivity/cloud services 5.3.3 ONE concern regarding IoT (1) Can be hacked/loss of privacy/Security issues (2) IoT technology is dependent on reliable connectivity/cloud services 5.4 Purpose of a browser add-on To add extra functionality that is not ordinarily available in the browser 5.5 ONE reason to adjust the home page settings in a browser Have a certain website load automatically when opening the browser 5.6 TWO disadvantages of deleting browser history and cache (end-user perspective) (1) Pages (you visit frequently) take longer to load (2) Additional bandwidth/data is used to download resources again (3) You may not remember the sites you visited in the last week/month/year (4) Unable to track browser activity of a user 5.7 Explain the concept of a cap in the context of internet access - NSC Computer Application Technology - Question 5 - 2021 - Paper 2
Step 1
TWO advantages of grid computing
Answer
- Grid computing allows for large processing tasks to be distributed across multiple computers, resulting in enormous processing power.
- In a grid computing environment, if one computer fails, it does not adversely affect the processing tasks being performed.
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From an end-user point of view, explain TWO disadvantages of deleting browser history and cache.
Answer
- Deleting browser history can result in frequently visited pages taking longer to load because the browser has to re-download all resources.
- Users may forget the websites they visited recently, which can be frustrating when trying to recall important information.
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Suggest TWO benefits of synchronising the calendar in a web-based e-mail client.
Answer
- Synchronizing the calendar ensures that it is updated across different devices, allowing for seamless access to appointments and events.
- It enables automated reminders through email notifications, which helps users stay organized and informed about important dates.