When developing a computer system, requirements are investigated - Edexcel - GCSE Computer Science - Question 4 - 2020 - Paper 1
Question 4
When developing a computer system, requirements are investigated.
(a) State one requirement that must be investigated.
(b) Complete this truth table.
| A | B | NO... show full transcript
Worked Solution & Example Answer:When developing a computer system, requirements are investigated - Edexcel - GCSE Computer Science - Question 4 - 2020 - Paper 1
Step 1
State one requirement that must be investigated.
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Answer
One requirement that must be investigated is the operational requirements, such as system performance expectations and user needs.
Step 2
Complete this truth table.
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Answer
A
B
NOT (A OR B)
1
1
0
0
0
1
0
1
0
1
0
0
Step 3
Name the type of main memory used to store a computer's startup process.
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Answer
The type of main memory used to store a computer's startup process is ROM (Read-Only Memory).
Step 4
Give two examples of where software is used to simulate or model aspects of the real world.
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Answer
Flight simulators.
Financial modelling.
Step 5
Explain why solid state storage is the best choice for a fitness tracker.
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Answer
Solid state storage is the best choice for a fitness tracker because it has no moving parts, making it more durable and reliable during physical activity. It is also more compact and energy-efficient, which is crucial for wearable technology.
