
Java: An Introduction to Problem Solving and Programming (8th Edition)
8th Edition
ISBN: 9780134462035
Author: Walter Savitch
Publisher: PEARSON
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Textbook Question
Chapter 10.1, Problem 1STQ
Why would anybody write a
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Boolean Algebra HW #4
Show all intermediate steps (truth tables, algebraic steps, and justifications such as identities
or theorems) for full credit.
1. Evaluate the following expression when A = 1, B = O, C = 1, D = 0
F = AB + CD + (A+B)C
2. Find F, the complement of function F, Write your answer using overbars.
F(W,X,Y,Z) = WX+YZ+XZ
3. Determine the truth table for the function
F=XY+XZ
4. Show with a truth table that the following is true:
X(Y+Z) = XY+XZ
5. Simplify the following Boolean expression. Show each simplification step and identity used.
a) AB + AB + ABC
b) (M+N)(M + P) + MP
6. Find the dual of the Boolean expressions. (swap + with and O with 1; do not complement
variables).
a) ABC
b) (X + Y)(X + Z)
c) P+Q+ RS
7. Convert Standard POS form to Canonical POS form.
•
(A+B)(Ā + C) (B+C)
8. Given that F(a, b, c, d) = Em(1, 3, 4, 6, 8, 9, 12)
(i) Write the product of maxterms (canonical POS) for F.
(ii) Write the canonical SOP and canonical POS for F.
Consider the following statement, which is intended to assign the value of the expression,
the variable result Assume that the double variables. x-ya and b have been properly
declared and initialized.
(xy)
to
double result = missing code /:
17
Mark for Review
Which of the following can replace / missing code / so that the statement works as intended?
Math.sqrt((x + y)
2/ Math.abs(a, b))
Math.sqrt((x + y) 2/ Math.abs(a - b))
Math.sqrt(Math.pow(x + y, 2) / Math. abs(a, b))
Math.sqrt(Math.pow(x + y, 2) / Math.abs (a - b))
Consider the following code segment, which is intended to print the digits of the two-digit int number
num in reverse order. For example, if num has the value 75, the code segment should print 57.
Assume that num has been properly declared and initialized.
/missing code */
System.out.print (onesDigit);
System.out.print (tensDigit);
14
Mark for Review
Which of the following can be used to replace / missing code so that the code
segment works as intended?
int onesDigit num 10;
int tensDigit num / 10;
int onesDigit- num / 10;
int tensDigit num 10;
int onesDigit -10/num;
int tensDigit 10 num;
-Undo
int onesDigit
num
100;
Undo
int tensDigit-num / 100;
Chapter 10 Solutions
Java: An Introduction to Problem Solving and Programming (8th Edition)
Ch. 10.1 - Why would anybody write a program that sends its...Ch. 10.1 - When we discuss input, are we referring to data...Ch. 10.1 - What is the difference between a text file and a...Ch. 10.2 - Write some code that will create a stream named...Ch. 10.2 - Prob. 5STQCh. 10.2 - Prob. 6STQCh. 10.2 - Prob. 7STQCh. 10.2 - Write some code that will create a stream named...Ch. 10.2 - Suppose you run a program that writes to the text...Ch. 10.2 - Prob. 10STQ
Ch. 10.3 - Prob. 11STQCh. 10.4 - Write some Java code to create an output stream of...Ch. 10.4 - Give three statements that will write the values...Ch. 10.4 - Give a statement that will close the stream toFile...Ch. 10.4 - What import statement(s) do you use when creating...Ch. 10.4 - Prob. 16STQCh. 10.4 - Give three statements that will read three numbers...Ch. 10.4 - Give a statement that will close the stream...Ch. 10.4 - Can you use writeInt to write a number to a file...Ch. 10.4 - Can you use readUTF to read a string from a text...Ch. 10.4 - Prob. 21STQCh. 10.4 - Prob. 22STQCh. 10.4 - Does the class FileInputStream have a method named...Ch. 10.4 - Does the class FileOutputStream have a constructor...Ch. 10.4 - Does the class ObjectOutputStream have a...Ch. 10.4 - Prob. 26STQCh. 10.4 - Suppose that a binary file contains exactly three...Ch. 10.4 - The following code appears in the program in...Ch. 10.4 - Prob. 29STQCh. 10.5 - Prob. 30STQCh. 10.5 - Prob. 31STQCh. 10.5 - Prob. 32STQCh. 10.5 - Prob. 33STQCh. 10.6 - Prob. 34STQCh. 10.6 - Prob. 35STQCh. 10 - Write a program that will write the Gettysburg...Ch. 10 - Modify the program in the previous exercise so...Ch. 10 - Write some code that asks the user to enter either...Ch. 10 - Write a program that will record the purchases...Ch. 10 - Modify the class LapTimer, as described in...Ch. 10 - Write a class TelephoneNumber that will hold a...Ch. 10 - Write a class contactInfo to store contact...Ch. 10 - Write a program that reads every line in a text...Ch. 10 - Repeat the previous exercise, but write the new...Ch. 10 - Write a program that will make a copy of a text...Ch. 10 - Suppose you are given a text file that contains...Ch. 10 - Suppose that you have a binary file that contains...Ch. 10 - Suppose that we want to store digitized audio...Ch. 10 - Write a program RecoverSignal that will read the...Ch. 10 - Even though a binary file is not a text file, it...Ch. 10 - Write a program that searches a file of numbers...Ch. 10 - Write a program that reads a file of numbers of...Ch. 10 - The following is an old word puzzle: Name a common...Ch. 10 - The Social Security Administration maintains an...Ch. 10 - The following is a list of scores for a game....Ch. 10 - Write a program that checks a text file for...Ch. 10 - Prob. 5PPCh. 10 - Prob. 6PPCh. 10 - Revise the class Pet, as shown in Listing 6.1 of...Ch. 10 - Write a program that reads records of type Pet...Ch. 10 - Prob. 12PP
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- Write the truth table for each of the following logic functions: (a) FX Y+X'. Y'. Z (b) FW' X + Y' · Z' + X' · Z (c) F=W+X' · (Y' + Z) . . (d) F A B+ B' C+C' D + D' A .arrow_forwardUse the theorems of switching algebra to simplify each of the following logic functions: (a) F W X Y Z (W X Y . Z'+W X Y Z (b) FA B+ A . B C D+A B.D. E' + A B C W X Y Z+W X Y' - Z) E + C D E .arrow_forwardWrite the canonical sum and product for each of the following logic functions: (a) F = Σx,y(1,2) (c) F=ΣA,B,C(2,4,6,7) = (b) FПAB(0,1,2) (d) F=Пw.x,y(0,1,3,4,5)arrow_forward
- For the following truth table: a) Write the canonical SOP. Row × Y Z F 0 0 0 0 0 b) Write the canonical POS. | 0 0 1 2 0 1 0 1 3 0 1 1 0 4 1 0 0 0 5 1 0 1 1 6 1 1 0 0 7 1 1 1 1arrow_forward(团) (四) The Dog class has a constructor that takes two parameters. The first parameter is a String representing a dog's name and the second parameter is an int representing the dog's age, in months. 9 Mark for Review ARC The following code segment appears in a class other than Dog. Which of the following best describes the contents of dog1 and dog2 as a result of executing this code segment? Dog dogl new Dog ("Rex", 4); Dog dog2 dogl dog1; new Dog("Fido", 60); dog1 and dog2 are Dog variables that each contain the same Dog object, which represents a dog named "Fido' that is 60 months old. dogl is a Dog variable that contains a Dog object representing a dog named "Fido" that is 60 months old, and dog2 is a Dog variable that contains a Dog object representing a dog named "Rex" that is 4 months old. dogl and dog2 are Dog reference variables that each contain a reference to the same memory address that contains the Dog object representing a dog named "Fido' that is 60 months old. dogl is a…arrow_forwardThe following code segment is intended to assign to newword the result created by removing the first occurrence of "a" from word. Assume that the String variable word has been properly declared and initialized. This code segment works for some, but not all, values of word. int aLoc word.indexOf("a"); String newword word.substring(0, aLoc) + word.substring(aLoc + 1); 18 Mark for Review Which of the following conditions best describes the condition in which this code segment will not work a intended and will result in a runtime error? is the first character in word. is the last character in word. word does not contain the character "a". word contains only a sequence of multiple "a" characters.arrow_forward
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