Digital Electronics - Number Systems and Codes - Discussion

Discussion Forum : Number Systems and Codes - General Questions (Q.No. 10)
10.
If a typical PC uses a 20-bit address code, how much memory can the CPU address?
20 MB
10 MB
1 MB
580 MB
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
13 comments Page 2 of 2.

Kiran said:   1 decade ago
Because computer works with only binary numbers {0, 1}. So that radix is 2.

That's why base is 2?

Nitish kumar said:   10 years ago
2^20 memory locations can be addressed but it can not measured in mb. Size of memory will depend upon size of data bus.

PETAK said:   8 years ago
2 is used as the base because computer operates in binary, i.e. powers of 2.


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