Systems Architecture
7th Edition
ISBN: 9781305080195
Author: Stephen D. Burd
Publisher: Cengage Learning
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Textbook Question
Chapter 3, Problem 8RQ
Why doesn’t a CPU evaluate the expression 'A' = 'a' as true?
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REPETITION CONTROL STRUCTURE (FOR)
Instruction:
Write a Java program that reads a positive, non-zero integer as input and checks if the
integer is deficient, perfect, or abundant.
A positive, non-zero integer, N, is said to be perfect if the sum of its positive proper divisors
(i.e., the positive integers, other than N itself, that divide N exactly) is equal to the number
itself. If this sum is less than N, the number is said to be deficient. If the sum is greater than
N, the number is said to be abundant.
The first few perfect numbers are 6, 28, 496, and 8128.
Illustrations:
Number
Factors of the number less than itself Sum of Factors
3, 2, 1
14, 7, 4, 2, 1
6
6
28
28
For example, the number 6 is perfect, since 6 = 1 + 2 + 3, the number 8 is deficient, since
8 >1 + 2 + 4, while the number 12 is abundant, since 12<1 + 2 + 3 + 4 + 6.
Sample Input/Output:
Depicted below are sample outputs when the program is executed (the items in bold
characters are input from the user, while the items…
JAVA LANGUAGE CODE
Postfix Calculator
by CodeChum Admin
One good implementation of computing infix expressions is to transform them to postfix and then evaluate via the postfix expression.
Infix expressions is the common way of writing arithmetic expressions. The binary operator come between them as shown below:
2 * 5 + 9 - 10 / 20
In postfix expressions, the operands come first before the operator:
2 5 * 9 + 10 20 / -
A stack can be used to evaluate postfix expressions. The operands are pushed onto the Stack and when an operator is found two operands are popped and the operation is performed and finally the result is pushed back onto the Stack.
The final answer will be the lone element of the Stack.
Input
The first line contains a positive integer n representing the number of postfix expressions. What follows are n postfix expressions themselves.
5
10 20 +
30 15 2 * +
100 20 30 + /
90 20 10 + + 0 /
9 3 - 10 + 2 *
Output
A single line containing the result of…
Recursive Multiplication
Design a recursive function that accepts two arguments into the parameters x and y. The function should return the value of x times y. Remember, multiplication can be performed as repeated addition as follows:
7×4=4+4+4+4+4+4+4(To keep the function simple, assume that x and y will always hold positive nonzero integers.)
Chapter 3 Solutions
Systems Architecture
Ch. 3 - Prob. 1VECh. 3 - Prob. 2VECh. 3 - A(n) __________ is an integer stored in double the...Ch. 3 - Prob. 4VECh. 3 - Assembly (machine) language programs for most...Ch. 3 - Prob. 6VECh. 3 - Prob. 7VECh. 3 - Prob. 8VECh. 3 - Prob. 9VECh. 3 - A(n) __________ is an array of characters.
Ch. 3 - Most Intel CPUs use the __________, in which each...Ch. 3 - Prob. 12VECh. 3 - A(n) __________ contains 8 __________.Ch. 3 - Prob. 14VECh. 3 - The result of adding, subtracting, or multiplying...Ch. 3 - Prob. 16VECh. 3 - Prob. 17VECh. 3 - Prob. 18VECh. 3 - Prob. 19VECh. 3 - Prob. 20VECh. 3 - Prob. 21VECh. 3 - Prob. 22VECh. 3 - ___________ occurs when the result of an...Ch. 3 - In a CPU, _______ arithmetic generally is easier...Ch. 3 - In the ________, memory addresses consist of a...Ch. 3 - Prob. 26VECh. 3 - Data represented in ________ is transmitted...Ch. 3 - Prob. 28VECh. 3 - Prob. 29VECh. 3 - A(n) ____________ is one instance or variable of a...Ch. 3 - Prob. 1RQCh. 3 - Why is binary data representation and signaling...Ch. 3 - Prob. 3RQCh. 3 - Prob. 4RQCh. 3 - Prob. 5RQCh. 3 - Prob. 6RQCh. 3 - Prob. 7RQCh. 3 - Why doesnt a CPU evaluate the expression 'A' = 'a'...Ch. 3 - Prob. 9RQCh. 3 - What primitive data types can normally be...Ch. 3 - Prob. 11RQCh. 3 - How is an array stored in main memory? How is a...Ch. 3 - Prob. 14RQCh. 3 - Prob. 1PECh. 3 - Prob. 2PECh. 3 - Prob. 4PECh. 3 - Prob. 5PECh. 3 - Prob. 6PECh. 3 - Prob. 1RPCh. 3 - Prob. 2RPCh. 3 - Prob. 3RP
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- Problem Description The hailstone sequence is defined as the integer sequence that results from manipulating a positive integer value n as follows: If n is even, divide it by 2 (using floor division) • If n is odd, multiply it by 3 and then add 1 Repeat this process until you reach 1. For example, starting with n = 5, we get the sequence 5, 16, 8, 4, 2, 1. If n is 6, we get the sequence 6, 3, 10, 5, 16, 8, 4, 2, 1. If n is 7, we get 7, 22, 11, 34, 17, 52, 26, 13, 40, 20, 10, 5, 16, 8, 4, 2, 1. If n is 8, we get the sequence 8, 4, 2, 1. As far as anyone can tell, this process will eventually reach 1 for any starting value, although mathematicians have been unable to formally prove this property as of yet. a. Write a Python function named hail () that takes a single integer argument. hail() should print out the sequence of numbers generated by applying the process above to the function parameter. This function does not return any value.arrow_forwardRecursive Multiplication Design a recursive function that accepts two arguments into the parameters x and y. The function should return the value of x times y. Remember, multiplication can be performed as repeated addition as follows: 7×4=4+4+4+4+4+4+4(To keep the function simple, assume that x and y will always hold positive nonzero integers.) IN Q BASIC LANGUAGEarrow_forward2. Sum: a recursive function that computes the sum of integers 1, 2, 3, …., n for a given number n. So Sum(6) should return 1 + 2 + 3 + 4 + 5 + 6 , i.e. 21.sum(n) = n + sum(n-1)arrow_forward
- When you perform arithmetic operations with operands of different types, such as adding an int and a float, ____________. C# chooses a unifying type for the result you must choose a unifying type for the result you must provide a cast you receive an error messagearrow_forward(Numerical) Write a program that tests the effectiveness of the rand() library function. Start by initializing 10 counters to 0, and then generate a large number of pseudorandom integers between 0 and 9. Each time a 0 occurs, increment the variable you have designated as the zero counter; when a 1 occurs, increment the counter variable that’s keeping count of the 1s that occur; and so on. Finally, display the number of 0s, 1s, 2s, and so on that occurred and the percentage of the time they occurred.arrow_forwardRecursive PrintingDesign a recursive function that accepts an integer argument,n , and prints the numbers 1 up through n .arrow_forward
- An array of integer is given and your task to sort this array and print the output. In Haskell programming languagearrow_forwardCodeWorkout Gym Course Search exercises... Q Search kola shreya@columbus X275: Recursion Programming Exercise: Check Palindrome X275: Recursion Programming Exercise: Check Palindrome Write a recursive function named checkPalindrome that takes a string as input, and returns true if the string is a palindrome and false if it is not a palindrome. A string is a palindrome if it reads the same forwards or backwards. Recall that str.charAt(a) will return the character at position a in str. str.substring(a) will return the substring of str from position a to the end of str,while str.substring(a, b) will return the substring of str starting at position a and continuing to (but not including) the character at position b. Examples: checkPalindrome ("madam") -> true Your Answer: 1 public boolean checkPalindrome (String s) { 4 CodeWorkout © Virginia Tech About License Privacy Contactarrow_forwardC Language - Write a program that takes in three integers and outputs the largest value. If the input integers are the same, output the integers' value.arrow_forward
- CodeWorkout Gym Course Search exercises... Q Search kola shreya@colum X459: Review- Fibonacci In mathematics, the Fibonacci numbers are the numbers in the following integer sequence, characterized by the fact that every number after the first two is the sum of the two preceding ones: e, 1, 1, 2, 3, 5, 8, 13, Write a recursive function that the returns the nth fibonacci number. Examples: fibonacci(0) -> 0 fibonacci(1) -> 1 fibonacci(7) -> 13 Your Answer: 1 public int fibonacci(int n) { 2 3} 4 CodeWorkout © Virginia Tech About License Privacy Contactarrow_forwardWhen you move the pointer too quickly, a phenomena known as "submarining" might take place, in which the pointer vanishes.arrow_forwardConsider the following pseudo code, Method func() { PRINT “This is recursive function" func() } Method main( { func() } What will happen when the above snippet is executed?arrow_forward
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