Practice Unit Summary (20.2) - Main Memory - Computer Organisation and Architecture

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9 questions

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Exercise
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3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is the main purpose of RAM?
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Think about data storage while the computer is on.
Question 2.
What does ROM stand for?
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Consider what kind of data is stored in ROM.
3Question 3.
What memory type is volatile?
- RAM
- ROM
- Hard Disk
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Consider which memory stores data temporarily.
4Question 4.
True or False: RAM cannot store data while the computer is turned off.
- True
- False
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Think about what happens during a power outage.
Question 5.
Given that a computer has 32 address lines, calculate the total number of memory locations it can access.
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Use the formula 2^n, where n is the number of address lines.
Question 6.
If a computer’s main memory is 8GB, how many bytes is that and what is its width?
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Consider the conversion of gigabytes to bytes.

5 more questions in this section. Enroll free to practise them all.