Choose a term/concept from COLUMN B that matches the description in COLUMN A - NSC Computer Application Technology - Question 2 - 2017 - Paper 2
Question 2
Choose a term/concept from COLUMN B that matches the description in COLUMN A.
2.1 Unit of measurement applicable to bandwidth
2.2 An example of a commonly used asp... show full transcript
Worked Solution & Example Answer:Choose a term/concept from COLUMN B that matches the description in COLUMN A - NSC Computer Application Technology - Question 2 - 2017 - Paper 2
Step 1
2.1 Unit of measurement applicable to bandwidth
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Answer
The correct term is Mbps (megabits per second), which quantifies the speed of data transfer.
Step 2
2.2 An example of a commonly used aspect ratio
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Answer
The answer is 16 : 9, commonly used in widescreen displays and televisions.
Step 3
2.3 A stage in the information processing cycle
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Answer
The correct answer is input, which refers to the initial stage of processing data.
Step 4
2.4 A technology used in devices for paralysed users
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Answer
This refers to eye tracking, a technology enabling users to interact with devices through eye movements.
Step 5
2.5 The reason why a computer screen switches off after a set time
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Answer
This is commonly due to power-saving settings, which help conserve energy when the device is not in use.
Step 6
2.6 A medium for a fast and stable Internet connection
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Answer
The correct answer is fibre optics, which provide high-speed Internet connectivity through light transmission.
Step 7
2.7 Compression of files for long-term storage
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Answer
This refers to archiving, a process that reduces file sizes for better storage efficiency.
Step 8
2.8 A malware program that poses as a useful application
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Answer
The term is Trojan, which tricks users into installing it by disguising itself as legitimate software.
Step 9
2.9 Cache memory is found here
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Answer
Cache memory is typically found within the CPU, used to speed up data access for processing.
Step 10
2.10 A monthly limit to data used over an Internet connection
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Answer
The answer is cap, referring to a limit set on the amount of data that can be used during a given period.
