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1. Which of the following items are definitions of WRITE BACK ? a. All write operations are made to main memory as well as to the cache b. Updates are made only in the cache c. This makes for complex circuitry and a potential bottleneck d. Portions of main memory are invalid and hence accesses by 1/O modules can be allowed only through the cache e. Minimizes memory writes f. The main disadvantage of this technique is that it generates substantial memory traffic and may create a bottleneck 6 - DO b,d,e.f a,b,c,e,f b,c,d,e )O a, c, d, f

1. Which of the following items are definitions of WRITE BACK ? a. All write operations are made to main memory as well as to the cache b. Updates are made only in the cache c. This makes for complex circuitry and a potential bottleneck d. Portions of main memory are invalid and hence accesses by 1/O modules can be allowed only through the cache e. Minimizes memory writes f. The main disadvantage of this technique is that it generates substantial memory traffic and may create a bottleneck 6 - DO b,d,e.f a,b,c,e,f b,c,d,e )O a, c, d, f

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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1. Which of the following items are definitions of WRITE BACK ? a. All write operations are made to main memory as well as to the cache b. Updates are made only in the cache c. This makes for complex circuitry and a potential bottleneck d. Portions of main memory are invalid and hence accesses by 1/0 modules can be allowed only through the cache e. Minimizes memory writes f. The main disadvantage of this technique is that it generates substantial memory traffic and may create a bottleneck 6 - a) b,d,e,f b) a,b,c,e,f b.c.d.e d) a, c, d, f e) c,d,e,f f) a,b.c.d
Transcribed Image Text:1. Which of the following items are definitions of WRITE BACK ? a. All write operations are made to main memory as well as to the cache b. Updates are made only in the cache c. This makes for complex circuitry and a potential bottleneck d. Portions of main memory are invalid and hence accesses by 1/0 modules can be allowed only through the cache e. Minimizes memory writes f. The main disadvantage of this technique is that it generates substantial memory traffic and may create a bottleneck 6 - a) b,d,e,f b) a,b,c,e,f b.c.d.e d) a, c, d, f e) c,d,e,f f) a,b.c.d
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