Please help me in this question: 18/The Hamming ECC is used to __________ . a. place data at the correct address b. detect errors in memory c. decide what data in cache is to be replaced from memory d. support virtual memory
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Please help me in this question:
18/The Hamming ECC is used to __________ .
a. place data at the correct address
b. detect errors in memory
c. decide what data in cache is to be replaced from memory
d. support virtual memory
Step by step
Solved in 2 steps
- please sol Q1) Given a memory of 16k and a cache memory of 1024 bytes with block size 128 bytes. Thesystem uses Direct mapping.A- How many blocks available in both physical memory and cache memory B- How the address will be split to indicate tag, line (block no) and offsetC- Calculate the cache line number and offset in cache that will contain the content ofmemory address 230.CA_9 (a) What is the purpose of using L1 cache(s)? (b) Repeat (a) for the L2 cache. (c) What functions or purposes does a virtual memory carry?kindly answer the ff questions. 1. Where is the mapping from virtual addresses to physical addresses stored? 2. Can the virtual addresses 0x100000 and 0x100008 be mapped to 2 far apart locations in physical RAM?
- a) Explain what data is written to cache memory, on basis of what two factors does thecache memory gets filled?b) What do you understand by the term ‘associative memory page table’, Explain and givean example.Which of the following mapping technique allows main memory block to be mapped to any cache line? a. Unified. b. Direct. c. Associative. d. Set associative.. Fully AssociativeParameters• Main Memory: 2 GB• Block/Line Size: 32 B• Cache: 1 MB Fully AssociativeQuestions• How many main memory blocks are there?• How many cache lines are there?• How many memory blocks map to a single cache line?• What is the address breakdown for RAM?Block Index Byte Offset• What is the address breakdown for cache?Tag Byte Offset• Lookup Algorithm for Address X:
- HELP! You have a virtual memory system with a two-entry TLB, a 2-way set associative cache and a page table for a process P. Assume cache blocks of 8 bytes and page size of 16 bytes. In the system below, main memory is divided up into blocks, where each block is represented by a letter. Two blocks equals one frame. a)Virtual address page 3, offset 7 results in a TLB hit or miss? If TLB hit, what’s the main memory frame? If TLB miss, would it result in a page fault? If not a page fault, what’s the main memory frame and what the physical address in binary? Explain your answers. b)Virtual address page 0, offset 1310 results in a TLB hit or miss? If TLB hit, what’s the main memory frame? If TLB miss, would it result in a page fault? If not a page fault, what’s the main memory frame? Explain your answers. c)Virtual address page 2, offset 3 results in a TLB hit or miss? If TLB hit, what’s the main memory frame? If TLB miss, would it result in a page fault? If not a page fault, what’s the…Show work and type answer please. Suppose a computer using fully associate cache has 2G Bytes of main memory and a cache of 256 Blocks, where each cache Block has 8 Words, and the Word Size is 2 Bytes. a. How many blocks of main memory? b. What is the format of a memory address as seen by the cache? c. To which cache block will the memory reference 00001C4A in Hex?Discuss the role of cache memory in improving computer performance. What are the different cache levels found in modern CPUs?
- The caches are valuable for two reasons: how do they address the problem? Are they causing any problems? So, if it's possible to create a cache that's the same size as the device it's caching for (for example, a disk cache), why not do that, and remove the device?Assume you have a cache/memory system with the following characteristics: Size of a word: 8 bytes Size of a cache block: 32 words Size of the cache: 1024 words How many bits are in the tag if the cache is: direct-mapped, 2-way set associative, 4-way set associative, fully associative? Why?20. Which of the following statements is true of memory sizes? a. A 3 kb memory has 3000 memory bits b. A 16 × 4 memory has 64 words c. A 4 kb memory has 4096 memory bits d. A 32 × 16 memory has 16 words 21. Which of the following statements about cache is NOT true? a. A cache typically resides on-chip with the processor. b. A cache is faster and has higher capacity than memory. c. A cache hit means that an item is found in the cache. d. SRAM is faster than DRAM