1. (a) The CPU contains a number of components - Edexcel - GCSE Computer Science - Question 1 - 2023 - Paper 1
Question 1
1. (a) The CPU contains a number of components.
(i) Complete the table with the correct bus for each role.
| Bus | Role |
|-----|------|
| | Carries a read sig... show full transcript
Worked Solution & Example Answer:1. (a) The CPU contains a number of components - Edexcel - GCSE Computer Science - Question 1 - 2023 - Paper 1
Step 1
Complete the table with the correct bus for each role.
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
Bus
Role
Data
Carries a read signal to main memory.
Address
Carries the memory location of a piece of data.
Control
Carries an instruction from main memory to the CPU.
Step 2
Identify the component inside the CPU that stores data.
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
D | Register
Step 3
State what high-level code is translated to.
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
Machine code.
Step 4
State two methods of source code translation.
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
Compilation
Interpretation
Step 5
Identify the feature of an optical disc that allows data to be read.
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
C | It is reflective.
Step 6
Define the term 'embedded system'.
97%
121 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
An embedded system refers to a dedicated computer system that is designed to perform specific tasks or functions within a larger system. It is often integrated into hardware and typically has real-time computing constraints.
Step 7
Complete the table with one other disadvantage for each method.
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
Method of code review
Disadvantage
By a programmer
May overlook errors due to bias or fatigue.
By an automated system
May not catch context-specific issues.
Step 8
Identify the purpose of defragmentation software.
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
C | Organising data.
Step 9
Describe one way the operating system makes sure each process can use the CPU.
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 operating system uses a scheduling algorithm to allocate CPU time to each process, ensuring that all processes receive a fair chance to execute.
Step 10
Give one other function of an operating system.
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
Managing hardware resources such as memory and storage.
