computer architecture assighnment
question and answers.. please explain in detail.NAME:
1. In reference to a clock of a CPU, what does 3.14 GHz. mean? Be specific. – 6 points.
2. Describe in high level detail how the CPU operates. Provide pseudocode for the underlying cycle in question. – 6 points.
3. In reference to a system bus, what is latency? – 3 points.
4. How many binary sequences are there of length n that do not start with a 1 and do not end in a 0? – 8 points.
5. Carry out the following calculation using 11-bit arithmetic (convert to 11-bit binary sequences) and use two’s complement for the negative number, give the result as both a 11-bit binary sequence and in base 10: 543 – 234. – 8 points.
6. Show that the following are equivalent Boolean expressions (A,B,C are binary variables): – 10 points
NOT( A OR B OR C)
NOT(A) AND NOT(B) AND NOT(C)
7. What does shifting a binary sequence to right by 5 places correspond to (from arithmetic standpoint)? – 5 points.
8. What is the difference between a half-adder and a full-adder? Provide details. – 8 points.
9. Draw the circuit for a JK flip-flop and draw a table of all of the input/next states. – 8 points.
10. Describe the following: MAR, MBR, IR, PC. – 8 points.
11. List and describe the 4 status bit flags part of the CCR discussed in class. – 8 points.
12. What is a “one and a half address machine”? – 4 points.
13. What is Lilja’s ease of measurement? – 4 points.
14. Describe the disadvantages of using (separately) clock frequency, instructions per second, and floating operations per second to measure computer performance. – 6 points.
15. Describe (in words) Amdahl’s Law and use the formula to find the speedup of parallelized code if the fraction of time spent running in serial is 0.25 and the number of cores used is 10. – 8 points.
Extra Credit
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