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.
96%
114 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
One requirement that must be investigated is the system's performance requirements, such as the expected speed and response time under different load conditions.
Step 2
Complete this truth table.
99%
104 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
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.
96%
101 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
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.
98%
120 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
Flight simulators
Financial modeling software
Step 5
Explain why solid state storage is the best choice for a fitness tracker.
97%
117 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
Solid state storage is the best choice for a fitness tracker because it has no moving parts, making it more durable and less likely to fail during physical activities. Additionally, it is smaller and more compact, allowing for a lightweight and portable design.
