A+ Guide to Hardware, Loose-leaf Version
9th Edition
ISBN: 9781337684361
Author: ANDREWS, Jean
Publisher: Cengage Learning
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Chapter 7, Problem 2RB
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Given:
Hi-Speed USB.
To find:The speed for a Hi-Speed USB...
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7. Character AnalysisIf you have downloaded the source code you will find a file named text.txt in the Chapter 08 folder. Write a program that reads the file’s contents and determines the following:
The number of uppercase letters in the file
The number of lowercase letters in the file
The number of digits in the file
The number of whitespace characters in the file
Provide the full blue terminal commands & output and other things that are useful
Homework
You have the row vector (A) that has values from (-100 to 100),
write MATLAB codes to:
(1) Interchange the first 10 elements with last ten elements.
(2) Replace the elements at indices (93,9,17,50) of A with 99.
(3) Return the second element and the element before the last
of A as a column vector (C1).
(4) Extract the first five elements and the last five elements of A
and append them as a row vector (R).
(5) Set the elements of A with odd indices to zeros(0).
Chapter 7 Solutions
A+ Guide to Hardware, Loose-leaf Version
Ch. 7 - Prob. 1TCCh. 7 - Prob. 2TCCh. 7 - Prob. 3TCCh. 7 - Prob. 4TCCh. 7 - Prob. 5TCCh. 7 - Prob. 6TCCh. 7 - Prob. 1RBCh. 7 - Prob. 2RBCh. 7 - Prob. 3RBCh. 7 - Prob. 4RB
Ch. 7 - Prob. 5RBCh. 7 - Prob. 6RBCh. 7 - Prob. 7RBCh. 7 - Prob. 8RBCh. 7 - Prob. 9RBCh. 7 - Prob. 10RBCh. 7 - Prob. 11RBCh. 7 - Prob. 12RBCh. 7 - Prob. 13RBCh. 7 - Prob. 14RBCh. 7 - Prob. 15RBCh. 7 - Prob. 16RBCh. 7 - Prob. 17RBCh. 7 - Prob. 18RBCh. 7 - Prob. 19RBCh. 7 - Prob. 20RBCh. 7 - Prob. 21RBCh. 7 - Prob. 22RBCh. 7 - Prob. 23RBCh. 7 - Prob. 24RBCh. 7 - Prob. 25RB
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- 7. See the code below and solve the following. public class Test { public static void main(String[] args) { int result = 0; } result = fn(2,3); System.out.println("The result is: + result); // fn(x, 1) = x // fn(x, y) = fn(x, y-1) + 2, when y>1 public static int fn(int x, int y) { if (x <= 1) return x; else return fn(x, y-1) + 2; } } 7-1. This program has a bug that leads to infinite recursion. Modify fn(int x, int y) method to fix the problem. (2 point) 7-2. Manually trace the recursive call, fn(2,3) and show the output (step by step). (2 point) 7-3. Can you identify the Base Case in recursive method fn(int x, int y)? (1 point)arrow_forward6. See the code below and solve the following. import java.io.*; public class DataStream { } public static void main(String[] args) } DataOutputStream output = new DataOutputStream(new FileOutputStream("temp.dat")); output.writeUTF("Book1"); output.writeInt(85); output.writeUTF("Book2"); output.writeInt(125); output.writeUTF("Book3"); output.writeInt(70); output.close(); // ToDo: Read all data from temp.dat and print the data to the standard output (monitor) 6-1. This program has a compile error, and the message is “Unhandled exception type FileNotFoundException". How do you fix this error? (1 point) 6-2. Is FileNotFoundException a checked exception or an unchecked exception? (1 point) 6-3. What is the difference between checked exception and unchecked exception? (1 point) 6-4. Please complete the above program by reading all data from temp.dat and print the data to the standard output (monitor) by using System.out.print, System.out.println or System.out.printf method. (2 points)arrow_forwardWrite a program that reads a list of integers from input and determines if the list is a palindrome (values are identical from first to last and last to first). The input begins with an integer indicating the length of the list that follows. Assume the list will contain a maximum of 20 integers. Output "yes" if the list is a palindrome and "no" otherwise. The output ends with a newline. Hints: - use a for loop to populate the array based on the specified size (the first number entered) - use a for loop to check first value with last value, second value with second from end, etc. - if the values do not match, set a Boolean variable to flag which statement to output (yes or no) Ex: If the input is (remember to include spaces between the numbers): 6 1 5 9 9 5 1 the output is: yes Ex: If the input is: 5 1 2 3 4 5 the output is: C++ codingarrow_forward
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