Java How to Program, Early Objects (11th Edition) (Deitel: How to Program)
11th Edition
ISBN: 9780134743356
Author: Paul J. Deitel, Harvey Deitel
Publisher: PEARSON
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Textbook Question
Chapter 2, Problem 7.3E
State the order of evaluation of the operators in each of the following Java statements, and show the value of x after each statement is performed:
int x = (3 * 9 * (3 + (9 * 3 / (3))));
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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?
Q.2. Architecture performance [25 marks]
Consider two different implementations, M1 and M2, of the same instruction set. M1 has a clock
rate of 2 GHz and M2 has a clock rate of 3.3 GHz. There are two classes of instructions with the
following CPIs:
Class
A
CPI for M1
CPI for M2
2.f
1.g
B
5
3
C
6
4
Note that the dots in 2 fand 1.g
indicate decimal points and not
multiplication.
a) What are the peak MIPS performances for both machines?
b) Which implementation is faster, if half the instructions executed in a certain program are from
class A, while the rest are divided equally among classes B and C.
c) What speedup factor for the execution of class-A instructions would lead to 20% overall
speedup?
d) What is the maximum possible speedup that can be achieved by only improving the execution
of class-A instructions? Explain why.
e) What is the clock rate required for microprocessor M1 to be a "1000 MIPS" (not peak MIPS)
processor?
Chapter 2 Solutions
Java How to Program, Early Objects (11th Edition) (Deitel: How to Program)
Ch. 2 - Fill in the blanks in each of the following...Ch. 2 - Fill in the blanks in each of the following...Ch. 2 - Fill in the blanks in each of the following...Ch. 2 - Fill in the blanks in each of the following...Ch. 2 - Fill in the blanks in each of the following...Ch. 2 - Fill in the blanks in each of the following...Ch. 2 - Prob. 1.7SRECh. 2 - State whether each of the following is true or...Ch. 2 - State whether each of the following is true or...Ch. 2 - State whether each of the following is true or...
Ch. 2 - State whether each of the following is true or...Ch. 2 - State whether each of the following is true or...Ch. 2 - Prob. 2.6SRECh. 2 - Write statements to accomplish each of the...Ch. 2 - Write statements to accomplish each of the...Ch. 2 - Write statements to accomplish each of the...Ch. 2 - Prob. 3.4SRECh. 2 - Prob. 3.5SRECh. 2 - Write statements to accomplish each of the...Ch. 2 - Prob. 4.1SRECh. 2 - Identify and correct the errors in each of the...Ch. 2 - Write declarations, statements or comments that...Ch. 2 - Write declarations, statements or comments that...Ch. 2 - Write declarations, statements or comments that...Ch. 2 - Write declarations, statements or comments that...Ch. 2 - Write declarations, statements or comments that...Ch. 2 - Write declarations, statements or comments that...Ch. 2 - Write declarations, statements or comments that...Ch. 2 - Write declarations, statements or comments that...Ch. 2 - Write declarations, statements or comments that...Ch. 2 - Write declarations, statements or comments that...Ch. 2 - Using the statements you wrote in Exercise 2.5,...Ch. 2 - Fill in the blanks in each of the following...Ch. 2 - Fill in the blanks in each of the following...Ch. 2 - Fill in the blanks in each of the following...Ch. 2 - Prob. 1.4ECh. 2 - Fill in the blanks in each of the following...Ch. 2 - Write Java statements that accomplish each of the...Ch. 2 - Write Java statements that accomplish each of the...Ch. 2 - Write Java statements that accomplish each of the...Ch. 2 - Prob. 3.1ECh. 2 - State whether each of the following is true or...Ch. 2 - State whether each of the following is true or...Ch. 2 - State whether each of the following is true or...Ch. 2 - Assuming that x = 2 and y = 3, what does each of...Ch. 2 - Assuming that x = 2 and y = 3, what does each of...Ch. 2 - Assuming that x = 2 and y = 3, what does each of...Ch. 2 - Prob. 4.4ECh. 2 - Prob. 5.1ECh. 2 - Which of the following Java statements contain...Ch. 2 - Prob. 5.3ECh. 2 - Which of the following Java statements contain...Ch. 2 - Given that y=ax3+7, which of the following are...Ch. 2 - Given that y=ax3+7, which of the following are...Ch. 2 - Given that y=ax3+7, which of the following are...Ch. 2 - Given that y=ax3+7, which of the following are...Ch. 2 - Given that y=ax3+7, which of the following are...Ch. 2 - Given that y=ax3+7, which of the following are...Ch. 2 - State the order of evaluation of the operators in...Ch. 2 - Prob. 7.2ECh. 2 - State the order of evaluation of the operators in...Ch. 2 - Display the message "Enter an integer: ", leaving...Ch. 2 - Assign the product of variables b and c to the int...Ch. 2 - Use a comment to state that a program performs a...Ch. 2 - Prob. 9.1ECh. 2 - (Comparing Integers) Write an application that...Ch. 2 - Which of the following Java statements contain...Ch. 2 - Given that y = ax3 + 7, which of the following are...Ch. 2 - State the order of evaluation of the operators in...Ch. 2 - What does the following code print?...Ch. 2 - What does the following code print?...Ch. 2 - What does the following code print?...Ch. 2 - What does the following code print?...Ch. 2 - (Largest and Smallest Integers) Write an...Ch. 2 - (Odd or Even) Write an application that reads an...Ch. 2 - Write an application that reads two integers,...Ch. 2 - Write an application that displays a checkerboard...Ch. 2 - Circumference and Area of a Circle) Heres a peek...Ch. 2 - (Integer Value of a Character) Heres another peek...Ch. 2 - (Separating the Digits in an Integer) Write an...Ch. 2 - Prob. 25.1ECh. 2 - Prob. 26.1ECh. 2 - (Body Mass Index Calculator) We introduced the...Ch. 2 - (World Population Growth Calculator) Search the...
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