Software Engineering (10th Edition)
10th Edition
ISBN: 9780133943030
Author: Ian Sommerville
Publisher: PEARSON
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Textbook Question
Chapter 2, Problem 2.2E
Explain why incremental development is the most effective approach for developing business software systems. Why is this model less appropriate for real-time systems engineering?
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Q.1. Architecture performance [10 marks]
Answer
A certain microprocessor requires either 2, 4, or 6 machine cycles to perform various operations.
⚫ (40+g+f)% require 2 machine cycles,
⚫ (30-g) % require 4 machine cycles, and
⚫ (30-f)% require 6 machine cycles.
(a) What is the average number of machine cycles per instruction for this microprocessor?
Answer
(b) What is the clock rate (machine cycles per second) required for this microprocessor to be a
"1000 MIPS" processor?
Answer
(c) Suppose that 35% of the instructions require retrieving an operand from memory which
needs an extra 8 machine cycles. What is the average number of machine cycles per
instruction, including the instructions that fetch operands from memory?
Chapter 2 Solutions
Software Engineering (10th Edition)
Ch. 2 - Prob. 2.1ECh. 2 - Explain why incremental development is the most...Ch. 2 - Consider the integration and configuration process...Ch. 2 - Suggest why it is important to make a distinction...Ch. 2 - Prob. 2.5ECh. 2 - Explain why software testing should always be an...Ch. 2 - Explain why change is inevitable in complex...Ch. 2 - Prob. 2.8ECh. 2 - Suggest two advantages and two disadvantages of...
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