An ICT system must be implemented for a national television station running a talent show - NSC Information Technology - Question 2 - 2023 - Paper 2
Question 2
An ICT system must be implemented for a national television station running a talent show. Each of the judges will be provided with a laptop that has the following s... show full transcript
Worked Solution & Example Answer:An ICT system must be implemented for a national television station running a talent show - NSC Information Technology - Question 2 - 2023 - Paper 2
Step 1
State the purpose of a central processing unit (CPU).
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The CPU is responsible for performing calculations and carrying out instructions necessary for executing programs. It processes data and manages the tasks required for system operation.
Step 2
Explain what the term multicore refers to in terms of CPU design.
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Multicore refers to a processor design where a single CPU has multiple processing units (cores) integrated into a single chip. This allows for simultaneous processing of various tasks, enhancing performance and efficiency.
Step 3
Name ONE processing technique that will allow the full benefit of multicore technology to be utilised.
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One technique that maximizes multicore benefit is 'Multi-threading', which allows multiple threads of execution to run on different cores concurrently.
Step 4
Explain why multicore technology is able to improve the performance of a processor.
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Multicore technology improves performance by enabling parallel processing. This allows the execution of multiple tasks simultaneously, reducing processing time and improving efficiency, especially for applications that are designed to take advantage of multiple cores.
Step 5
Motivate why including a graphics processor would have a positive impact on the performance of the laptop.
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Including a graphics processor (GPU) offloads graphics-related computations from the CPU, thereby reducing its workload. This allows for better rendering of images and smoother performance in graphics-intensive applications, thus enhancing overall laptop performance.
Step 6
Explain how the size of a screen is measured.
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The size of a screen is measured diagonally from one corner to the opposite corner, typically in inches.
Step 7
Indicate which ONE of these connectors is the preferred connector in modern devices. Motivate your choice.
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The HDMI connector is preferred in modern devices because it supports higher resolutions and can transmit both video and audio signals, making it more versatile for connecting to displays.
Step 8
Motivate the use of flash technology in SSD devices by stating TWO positive properties of flash disk technology.
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Flash technology in SSDs offers high access speeds and lower power consumption. Additionally, SSDs have no moving parts, which makes them more robust and reliable.
Step 9
Explain why Wi-Fi would be better suited to connect to a wireless network than Bluetooth.
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Wi-Fi provides higher bandwidth and longer range compared to Bluetooth, allowing for faster data transfer and the ability to connect a greater number of devices.
Step 10
Define the term operating system.
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An operating system (OS) is system software that manages computer hardware and software resources, and provides services for computer programs, controlling all activities that occur on the computer.
Step 11
Which ONE of these types of software, proprietary or open-source, would you recommend? Motivate your recommendation by discussing the merits of using the specific software.
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I would recommend open-source software. Its advantages include free access to the source code for development and customization, a wider community for support, and often regular updates without licensing costs.
Step 12
What does the SaaS model entail?
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The SaaS model entails software being provided as a service over the internet rather than being bought and installed locally. It is typically rented on a subscription basis.
Step 13
Justify why the use of the SaaS model is the preferred marketing model for many software companies such as Microsoft.
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The SaaS model provides easier rollouts of updates and fixes, better control over licensing and piracy, and tends to offer faster deployment, which enhances customer satisfaction and retention.
Step 14
Explain how the functioning of the antivirus software can contribute to the decrease in the performance of a CPU.
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Antivirus software can slow down CPU performance as it continuously scans files for viruses and performs background tasks, consuming resources and potentially interfering with the speed of other applications running on the system.
