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 system's performance needs, such as response time and processing speed.
Step 2
Complete this truth table.
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Answer
A
B
NOT (A OR B)
1
1
0
1
0
0
0
1
0
0
0
1
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 modeling.
Step 5
Explain why solid state storage is the best choice for a fitness tracker.
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Answer
Solid state storage is preferable for a fitness tracker because it has no moving parts, making it more durable. Additionally, it is smaller and more compact, which is ideal for wearable devices. This technology can withstand physical activity without risks of disruption during use.
