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Consider the following computer: - 3 GHz, instruction buffers that essentially negate instruction load penalties, and the computer leaves writes to the cache negating write penalty. - 32Kb L1 Data cache, 90ps access (per word), 8 word blocks, 4-way associative, write-through, 1% miss ratio - connection bus (to L2): 2 words wide - 1Mb L2 cache, 5ns access, 32 word blocks, 4-way associative, write-back, 20% miss ratio 16.7% (1/6) dirty - connection bus to RAM: 4 words wide - 1Gb RAM, 55ns access, 5ns per word burst rate (repeat access from consecutive addresses) For this computer calculate the following: (a) What is the L2 read miss penalty? (b) What is the L1 read miss penalty? (c) What is the read penalty (L1 and L2 cache)? (d) Assume 33% (1/3) loads, and everything else is ideal. What is the CPI? (e) What would the CPI be if L2 cache was removed (i.e. redo the above without L2 cache, the bus from L1 to RAM is 2 words wide)? (f) What is the speedup of the system with L2 cache?
Use K-map to simplify output function of x by don't care conditions.
The post office uses a multiple channel queue, where customers wait in a single line for the first available window. the probability both windows are idle.
Compare and contrast at least five technologies which are readily available for in-home internet access. You must consider practical as well as technical differences in your comparison.
What was the business impact of TJX's data loss on TJX, consumers and banks and how effectively did TJX deal with these problems?
Write down a 3 pages summary about "Freedom of expression in Cyberspace & Information Society " after reading at least one article in each point of view.
Not sure what will suit their requirements in achieving better organization between branches by updating their information systems. What will you suggest they do to find out most effective IT projects?
Are stepwise refinement and refactoring the equivalent thing ? If not, describe how do they vary? Term component is sometimes a difficult one to define.
Explain in detail all the steps Internet Explorer should go through when you click on a web page and traverse the network created in the previous exercise.
And "hacktivism" includes cracking for "higher purpose". Is it feasible to crack systems and still be ethical? Support the position.
Write a program that reads a series of whitespace delimited strings from stdin and prints them back out, separated by spaces, in lexicographic order. You may assume that all strings are lower case and that no string has more than 20 characters.
Determine the probability that the contention ends on round k, and compute the mean number of rounds per contention period?
Assume (A1,B1) is an encryrption of some unknown m1. Prove that (A1,B2g^(m2) mod p) is a valid encryption of m1 + m2 mod p. More generally, if (A2,B2) is an encryption of m2, what is (A1A2 mod p,B1B2 mod p) an encryption of?
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