4. Suppose you have a byte-addressable virtual address memory system with 8 virtual pages of 64bytes each, and 4 page frames. Assuming the following page table, answer the questions below:Page01234567Frame # Valid Bit130210011000a) How many bits are in a virtual address?b) How many bits are in a physical address?e) What physical address corresponds to virtual addresses 0x00 and to 0x44?5. Consider a 4-drive, 200 GB-per-drive RAID array. What is the available data storage capacityfor each of the RAID levels 0, 1, 3, 4, 5, and 676. Consider a single-platter disk with the following parameters:Rotation speed - 7200 rpm;number of tracks on one side of platter - 30,000;Number of sectors per track - 600;Seek time-one ms for every hundred tracks traversed.Let the disk receive a request to access a random sector on a random track and assume thedisk head starts at track 0.a) What is the average seek time?b) What is the average rotational latency?e) What is the transfer time for a sector?

Name: 4. Suppose you have a byte-addressable virtual address memory system
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Description: 4. Suppose you have a byte-addressable virtual address memory system with 8 virtual pages of 64bytes each, and 4 page frames. Assuming the following page table, answer the questions below:Page01234567Frame # Valid Bit130210011000a) How many bits are

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4. Suppose you have a byte-addressable virtual address memory system with 8 virtual pages of 64 bytes each, and 4 page frames. Assuming the following page table, answer the questions below: Page 0 1 2 3 5 7 Frame # Valid Bit 1 1 3 0 0 1 1 0 0 0 0 2 a) How many bits are in a virtual address? b) How many bits are in a physical address? e) What physical address corresponds to virtual addresses 0x00 and to 0x447

4. Suppose you have a byte-addressable virtual address memory system with 8 virtual pages of 64 bytes each, and 4 page frames. Assuming the following page table, answer the questions below: Page 0 1 2 3 5 7 Frame # Valid Bit 1 1 3 0 0 1 1 0 0 0 0 2 a) How many bits are in a virtual address? b) How many bits are in a physical address? e) What physical address corresponds to virtual addresses 0x00 and to 0x447

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Chapter1: Introduction

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4. Suppose you have a byte-addressable virtual address memory system with 8 virtual pages of 64
bytes each, and 4 page frames. Assuming the following page table, answer the questions below:
Page
0
1
2
3
4
5
6
7
Frame # Valid Bit
1
3
0
2
1
0
0
1
1
0
0
0
a) How many bits are in a virtual address?
b) How many bits are in a physical address?
e) What physical address corresponds to virtual addresses 0x00 and to 0x44?
5. Consider a 4-drive, 200 GB-per-drive RAID array. What is the available data storage capacity
for each of the RAID levels 0, 1, 3, 4, 5, and 67
6. Consider a single-platter disk with the following parameters:
Rotation speed - 7200 rpm;
number of tracks on one side of platter - 30,000;
Number of sectors per track - 600;
Seek time-one ms for every hundred tracks traversed.
Let the disk receive a request to access a random sector on a random track and assume the
disk head starts at track 0.
a) What is the average seek time?
b) What is the average rotational latency?
e) What is the transfer time for a sector?

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