A satellite navigation system (Sat Nav) uses RAM and ROM - OCR - GCSE Computer Science - Question 3 - 2019 - Paper 1
Question 3
A satellite navigation system (Sat Nav) uses RAM and ROM.
(a) Tick (✓) one box in each row to show whether each of the statements is true for the RAM or ROM in a Sa... show full transcript
Worked Solution & Example Answer:A satellite navigation system (Sat Nav) uses RAM and ROM - OCR - GCSE Computer Science - Question 3 - 2019 - Paper 1
Step 1
Tick (✓) one box in each row to show whether each of the statements is true for the RAM or ROM in a Sat Nav.
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Answer
RAM
ROM
Stores the boot up
✓
sequence of the Sat Nav.
The contents are lost
✓
when the Sat Nav is
turned off.
Holds copies of open
✓
maps and routes.
Step 2
Define what is meant by an 'embedded system'.
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Answer
An embedded system is a computer designed to perform dedicated functions within a larger system. It is typically optimized for specific tasks and is integrated into hardware for its specific operation.
Step 3
Identify three devices, other than a Sat Nav, which contain embedded systems.
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