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Category > Computer Science Posted 26 Mar 2018 My Price 10.00

simple virtual memory system has 32KB physical

Can answer PART 3 No. 3 please? Thanks a lot! I need logic and steps.

 

 

3. (15 marks) A simple virtual memory system has 32KB physical memory with 16-bit

virtual address, of which 12 bits are used as offset. The current content of its page

table is given below:

Virtual Page

Number

Page Frame

Bits

Present /

Absent bit

15 000 0

14 010 1

13 000 0

12 000 0

11 111 1

10 000 0

9 101 1

8 000 0

7 000 0

6 000 0

5 011 1

4 100 1

3 000 1

2 110 1

1 001 1

0 000 0

a) What is the page size of this virtual memory system?

b) What is the corresponding physical address of virtual address EA0C (in

hexadecimal notation)?

c) What would happen if the CPU executes an instruction to move an integer from

memory address C6A0 (hexadecimal) to a register?

 

 

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SophiaPretty
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Status NEW Posted 26 Mar 2018 02:03 PM My Price 10.00

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