Assume a RAM consists of 1M bytes, and it is byte addressable. It uses a cache memory consisting of 16 4K-byte blocks. How many bits are in a RAM address? How many bytes are in the cache memory? How many bits are in the cache tag? How many bits are needed to determine a byte's position within a block?

Assume a RAM consists of 1M bytes, and it is byte addressable. It uses a cache memory consisting of 16 4K-byte blocks. How many bits are in a RAM address? How many bytes are in the cache memory? How many bits are in the cache tag? How many bits are needed to determine a byte's position within a block?

Name: Assume a RAM consists of 1M bytes, and it is byte addressable. It use
Uploaded: 2024-03-20T06:51:23.000Z
Channel: Bartleby
Description: Assume a RAM consists of 1M bytes, and it is byte addressable. It uses a cache memory consistingof 16 4K-byte blocks.How many bits are in a RAM address?How many bytes are in the cache memory?How many bits are in the cache tag?How many bits are neede

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

See similar textbooks

Similar questions

Suppose a computer using direct-mapped cache has 232 bytes of byte-addressable main memory and a cache size of 512 bytes, and each cache block contains 64 bytes.Q.) How many blocks of main memory are there?
Suppose we have a byte-addressable computer with a cache that holds 8 blocks of 4 bytes each. Assuming that each memory address has 8 bits, to which cache block would the hexadecimal address 0x2D map if the computer uses direct mapping? Blocks are numbered starting at 0
4. Suppose a computer using a fully associative cache has 2^24 byte of byte-addressable main memory and a cache of 128 blocks, where each block contains 64 bytes. a) How big in kilobytes is main memory? b) How big in bytes is cache? In kilobytes? c) How many blocks of main memory are there? d) What is the format of a memory address as seen by the cache, i.e., what are the sizes of the tag and offset fields? e) To which cache block will the memory address 0x01D8729A map?
QUESTION 2 Suppose a computer using direct mapped cache is using 216 (64K) bytes of byte-addressable main memory, and a cache size of 4096 bytes, where each cache block contains 256 bytes. a) How many blocks of main memory are there? b) What is the format of a memory address as seen by cache, i.e. what are the length of the tag, block, and offset fields? c) Given memory address 2B9D (in hexadecimal format), which block in the cache will be searched? (What is that block's id?)
Exercise 1: Consider a word-addressable memory of 16 GB, where each word is composed of 128 bits. This memory is directly mapped to a cache of 1 MB composed of blocks where each block contains 16 words. a) What is length (in bits) of the address provided by the processor? b) What is the length (in Bytes) of one memory block? c) How many lines does the cache have? d) What is the length (in bits) of each of the TAG, LINE, and OFFSET? e) Which line in cache can hold the address 00000FOF?
Suppose a computer using fully associative cache has 224 bytes of byte-addressable main memory and a cache of 128 blocks, where each block contains 64 bytes.Q.) To which cache block will the memory address 0x01D872 map?
A computer is using a fully associative cache and has 216 bytes of main memory (byte addressable) and a cache of 64 blocks, where each block contains 32 bytes. a. How many blocks of main memory are there? b. What will be the sizes of the tag, index, and byte offset fields? c. To which cache set will the memory address 0xF8C9(hexadecimal) map?
if the RAM has two byte data word and address bits are grouped for direct mapping with a cache memory as follow: 14 bits 9 bits 5 bits when it is read from RAM to cache what other words come with the word whose address is 00FF00DC. a. All words from address 00FF00C0 to 00FF00DF b. All words from address 00FF00C0 to 00FF00CF c. All words from address 00FF00DC to 00FF00DF d. All words from address 00FF00D0 to 00FF00DF
You are given a main memory of 64Mbytes with each byte addressable and asked to design a cache memory using direct mapping. The main memory is organized as blocks of 8bytes. The cache memory must have a size of 512Kbytes. How many lines do you need to use in the cache memory?
Suppose a computer using direct mapped cache has 224 bytes of byte- addressable main memory and a cache size of 64K bytes, and each cache block contains 32 bytes. (Note: 64K = 26 * 210) a) How many blocks of main memory are there? b) What is the format of a memory address as seen by cache, i.e., what are the sizes of the tag, block, and offset fields?
Suppose a computer using direct mapped cache has 2^24 bytes of byte- addressable main memory and a cache size of 64K bytes, and each cache block contains 32 bytes. (Note: 64K = 26 * 210) a) How many blocks of main memory are there? b) What is the format of a memory address as seen by cache, i.e., what are the sizes of the tag, block, and offset fields?
[3] Suppose the RAM for a certain computer has 256M words, where each word is 16bits long. Note that you need to support your answer for each question in detail. (1) What is the capacity of this memory expressed in bytes? (2) If this RAM is byte addressable, how many bits must an address contain? (3) If this R AM is word addressable, how many bits must an address contain?