Consider a virtual memory system with a 16-bit virtual address, a 10-bit physical address, and a...
Consider a virtual memory system with a 16-bit virtual address, a 10-bit physical address, and a 64-byte page size. The virtual address, 0x1235, is translated into a physical address using the page table below.
VPN PPN Valid 44 02 1 45 05 1 46 08 0 47 --- 0 48 03 1 49 0A 1 4A --- 0
1. What is the hex VPN? (Enter as digits without 0x.)
2. What is the hex VPO? (Enter as digits without 0x.)
3. What is the hex physical address? (Enter as digits without 0x.)
Homework Answers
Add Answer to:
Consider a virtual memory system with a 16-bit virtual address,
a 10-bit physical address, and a...
Consider the page table shown below for a system with 16-bit virtual and physical addresses and...
Consider the page table shown below for a system with 16-bit virtual and physical addresses and with 4096-byte pages. All numbers below are given in hexadecimal. (A dash for a page frame indicates that the page is not in memory.) Page Number Physical Frame Number 0 - 1 2 2 C 3 A 4 - 5 4 6 3 7 - 8 B 9 0 How many bits are in the offset part of the address? How many hex digits...
Consider a virtual memory system with the following properties: 36 bit virtual byte address, 8 KB...
Consider a virtual memory system with the following properties: 36 bit virtual byte address, 8 KB pages size, and 32 bit physical byte address. Please explain how you determined your answer. a. What is the size of main memory for this system if all addressable frames are used? b. What is the total size of the page table for each process on this processor, assuming that the valid, protection, dirty, and use bits take a total of 4 bits and...
3. Virtual Memory (20 points) An ISA supports an 8 bit, byte-addressable virtual address space. The...
3. Virtual Memory (20 points) An ISA supports an 8 bit, byte-addressable virtual address space. The corresponding physical memory has only 256 bytes. Each page contains 32 bytes. A simple, one-level translation scheme is used and the page table resides in physical memory. The initial contents of the frames of physical memory are shown below. VALUE address size 8 bit byte addressable each byte of addressing type memory has its own address 32 B page size physical memory size 256...
Given a virtual memory configuration with: • 4 TB virtual memory space • 32 GB physical...
Given a virtual memory configuration with: • 4 TB virtual memory space • 32 GB physical memory space • 16 KB page size How many bits are needed for the virtual address? Choose... How many bits are needed for the physical address? Choose... How many bits in the address correspond to page offset bits? Choose... - How many bits will the virtual page number (VPN) be? Choose... - How many bits will the physical page number (PPN) be? Choose... →...
Question 2 Suppose you have a byte-addressable virtual address memory with 8 virtual pages of 64...
Question 2 Suppose you have a byte-addressable virtual address memory with 8 virtual pages of 64 bytes each and 4 page frames. Assuming the following page table, Page = Frame Valid Bit 0 0 1 2 3 4 5 What physical address corresponds to the virtual address 0X44 a. OXC1 b.OXC2 COXC4 d. OXCO OXC3
Suppose you have a byte-addressable virtual address memory system with 8 virtual pages of 64 bytes each
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 #Frame #Valid Bit0111312-03014215-06-07-0a) How many bits are in a virtual address? b) How many bits are in a physical address? c) What physical address corresponds to the following virtual addresses (if the address causes a page fault, simply indicate this is the case)? 1) Ox00 2) 0x44 3) OxC2 4) 0x80
Virtual memory address translation: a) Consider a machine with a physical memory of 8 GB, a...
Virtual memory address translation: a) Consider a machine with a physical memory of 8 GB, a page size of 4 KB, and a page table entry size of 4 bytes. How many levels of page tables would be required to map a 52-bit virtual address space if every page table fits into a single page? b) Without a cache or TLB, how many memory operations are required to read or write a page in physical memory? c) How much physical...
17. A computer system implements a paged virtual memory system. Assume a 16-bit virtual address space...
17. A computer system implements a paged virtual memory system. Assume a 16-bit virtual address space and a 24-bit physical address space. Assume that the first 6 bits of a virtual address index the page table and the rest of the bits are the page offset. A process has the following indexed page table. Index Page Table Entry (PTE) 0x3800 0x3600 0x3200 0x1000 2 3 Each page table entry qives a hexadecimal page frame addresses. Translate the following two hexadecimal...
Consider the page table shown below for a system with 16-bit virtual and physical addresses and...
Consider the page table shown below for a system with 16-bit virtual and physical addresses and with 4096-byte pages. All numbers below are given in hexadecimal. (A dash for a page frame indicates that the page is not in memory.) Page Number Physical Frame Number 0 - 1 2 2 C 3 A 4 - 5 4 6 3 7 - 8 B 9 0 Convert the following virtual addresses to their equivalent physical addresses in hexadecimal. a) 9EF5 b)...
Exercise l: Suppose that we have a virtual memory space of 28 bytes for a given process and physical memory of 4 page frames. There is no cache. Suppose that pages are 32 bytes in length. 1) How...
Exercise l: Suppose that we have a virtual memory space of 28 bytes for a given process and physical memory of 4 page frames. There is no cache. Suppose that pages are 32 bytes in length. 1) How many bits the virtual address contain? How many bits the physical address contain? bs Suppose now that some pages from the process have been brought into main memory as shown in the following figure: Virtual memory Physical memory Page table Frame #...
3. Virtual Memory (20 points) An ISA supports an 8 bit, byte-addressable virtual address space. The corresponding physical memory has only 256 bytes. Each page contains 32 bytes. A simple, one-level translation scheme is used and the page table resides in physical memory. The initial contents of the frames of physical memory are shown below. VALUE address size 8 bit byte addressable each byte of addressing type memory has its own address 32 B page size physical memory size 256...
Given a virtual memory configuration with: • 4 TB virtual memory space • 32 GB physical memory space • 16 KB page size How many bits are needed for the virtual address? Choose... How many bits are needed for the physical address? Choose... How many bits in the address correspond to page offset bits? Choose... - How many bits will the virtual page number (VPN) be? Choose... - How many bits will the physical page number (PPN) be? Choose... →...
Question 2 Suppose you have a byte-addressable virtual address memory with 8 virtual pages of 64 bytes each and 4 page frames. Assuming the following page table, Page = Frame Valid Bit 0 0 1 2 3 4 5 What physical address corresponds to the virtual address 0X44 a. OXC1 b.OXC2 COXC4 d. OXCO OXC3
17. A computer system implements a paged virtual memory system. Assume a 16-bit virtual address space and a 24-bit physical address space. Assume that the first 6 bits of a virtual address index the page table and the rest of the bits are the page offset. A process has the following indexed page table. Index Page Table Entry (PTE) 0x3800 0x3600 0x3200 0x1000 2 3 Each page table entry qives a hexadecimal page frame addresses. Translate the following two hexadecimal...
Exercise l: Suppose that we have a virtual memory space of 28 bytes for a given process and physical memory of 4 page frames. There is no cache. Suppose that pages are 32 bytes in length. 1) How many bits the virtual address contain? How many bits the physical address contain? bs Suppose now that some pages from the process have been brought into main memory as shown in the following figure: Virtual memory Physical memory Page table Frame #...
Most questions answered within 3 hours.
-
The fuel economy of a 2011 Lexus RX 350 2wd 6 cylinder 3.5 L
automatic 5...
asked 2 minutes ago -
i.
the synthesized compund 2-bromo-butanal i have a IR peak at about
3200 and one at...
asked 2 minutes ago -
A
752 mL sample of water was placed in a 1000 gram pan of aluminum.
The...
asked 13 minutes ago -
1.In the context of chelation, what does binding strength mean?
What happens at the molecular level...
asked 6 minutes ago -
Describe two obstacles that makes fixing atmospheric nitrogen
difficult.
asked 25 minutes ago -
Evelyn incorporates her sole proprietorship, transferring it to
newly formed Papaya Corporation. The assets transferred have...
asked 12 minutes ago -
Assume that in a hydrogen atom, the electron circles the nucleus
in a circle of radius...
asked 20 minutes ago -
1 point) Given the significance level α=0.01 find the following:
(a) left-tailed z value z= (b)...
asked 14 minutes ago -
Calculate the expected value, the variance, and the standard
deviation of the given random variable X....
asked 16 minutes ago -
T
F 53) Most differences
between human groups are the result of biology rather than
culture....
asked 30 minutes ago -
A 5.20 mW helium neon laser emits a visible laser beam with a
wavelength of 633...
asked 33 minutes ago -
Assignment:
Your
organization has made a strategic decision
to
outsourcework
currently performed in house. You have...
asked 32 minutes ago