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 | NOT ... 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 the speed and efficiency required to complete tasks.
Step 2
Complete this truth table.
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Answer
The completed truth table is as follows:
A
B
NOT (A OR B)
1
1
0
0
0
1
1
0
0
0
1
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 modeling software
Step 5
Explain why solid state storage is the best choice for a fitness tracker.
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Answer
Solid state storage is preferred for fitness trackers because it has no moving parts, making it more durable and less prone to damage during physical activities. Additionally, solid-state devices are generally smaller and more compact, allowing for a more lightweight design that is suitable for wearable devices.
