Logic and Design Principles
Exam Answer Key
Course Introduction
Logic and Design Principles introduces students to the foundational elements of logical reasoning and systematic decision-making essential for effective problem-solving in various fields, especially computer science and engineering. The course covers concepts such as propositional and predicate logic, truth tables, logical inference, and proof strategies, alongside the study of structural design principles including modularity, abstraction, and hierarchy. Students will learn to apply logical frameworks to analyze problems, design algorithms, and validate solutions, as well as understand how robust design principles guide the creation of efficient, maintainable, and reliable systems. Through a mix of theoretical exploration and practical exercises, students will develop critical skills to approach complex challenges in a structured and logical manner.
Recommended Textbook
Just Enough Programming Logic and Design 2nd Edition by Joyce Farrell
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7 Chapters
350 Verified Questions
350 Flashcards
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Chapter 1: An Overview of Computers and Logic
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Sample Questions
Q1) A program that is free of syntax errors will produce the correct results.
A)True
B)False
Answer: False
Q2) ____ a program is when a programmer can execute the program with some sample data to see whether the results are logically correct.
A) Planning
B) Coding
C) Maintaining
D) Testing
Answer: D
Q3) A(n)____ is the sequence of steps necessary to solve any problem.
A) algorithm
B) pseudocode list
C) rhythm
D) problem statement
Answer: A
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Chapter 2: Understanding Structure
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Sample Questions
Q1) In a structured program,structures can be stacked or connected to one another only at their start or exit points.
A)True
B)False
Answer: True
Q2) Write structured pseudocode to show the following: when you are on time for work you have time to buy coffee.
Answer: if on time for work then buy coffee endif
Q3) Years ago,programmers could avoid using structure by inserting a ____ statement into their pseudocode.
A) go to B) go sub C) branch
D) jump
Answer: A
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Page 4
Chapter 3: Making Decisions
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Sample Questions
Q1) ____ are diagrams used in mathematics and logic to help describe the truth of an entire expression based on the truth of its parts.
A) Truth diagrams
B) Truth matrix
C) Truth tables
D) Logic diagrams
Answer: C
Q2) Many programming languages allow you to use ____ to correct your logic when using ANDs and ORs and force the OR expression to be evaluated first.
A) parentheses
B) braces
C) underscores
D) brackets
Answer: A
Q3) Write structured pseudocode to fix this statement: if hourlyWage > 8.50 and < 15.80 then
Answer: if hourlyWage > 8.50 and hourlyWage < 15.80 then
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Chapter 4: Looping
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Sample Questions
Q1) Reports that include some output for every input record are ____ reports.
A) summary
B) detail
C) executive
D) running total
Q2) The following pseudocode is not working properly.The message should display five times.This is not working because the programmer made which common loop mistake? Declarations
Num count
String message = "OK"
While count < 5
Output message
Count = count + 1
Endwhile
A) Neglecting to initialize the loop control variable
B) Neglecting to alter the loop control variable
C) Using the wrong comparison with the loop control variable
D) Including statements inside the loop that belong outside the loop
Q3) Name three common mistakes that programmers make when programming with loops.
Q4) Write the logic for a program that outputs every even number from 2 through 16.
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Chapter 5: Arrays
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Sample Questions
Q1) When working with arrays,you can use ____ in two ways: to hold an array's size and as the array values.
A) structures
B) literals
C) constants
D) strings
Q2) If you assume an array's first subscript is 0,you will always be "off by one" in your array manipulation.
A)True
B)False
Q3) You cannot initialize array elements when you declare the array.
A)True
B)False
Q4) A ____ search starts looking in the middle of a sorted list,and then determines whether it should continue higher or lower.
A) linear
B) quick
C) graphic
D) binary
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Chapter 6: Using Methods
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Sample Questions
Q1) ____ variables and constants are those that are known to the entire program.
A) Global
B) Local
C) Universal
D) Portable
Q2) Programmers use the term ____ to describe any extra time and resources required by an operation.
A) overage
B) overhead
C) overburden
D) excess
Q3) Methods are considered ____,that is,they can more easily be transported to and reused by multiple programs when variables and constants are declared within the methods that use them.
A) efficient
B) moveable
C) reliable
D) portable
Q4) List two occasions when you might consider declaring variables and constants globally.
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Chapter 7: Object-Oriented Programming
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Sample Questions
Q1) Each object's features are separate or ____ from all others.
A) refined
B) abstracted
C) encapsulated
D) insulated
Q2) Rewrite the following pseudocode making the appropriate corrections. start Declarations
Employee myAssistant myAssistant.setName("Reynolds") myAssistant.setPayRate = 16.75 output "My assistant ",Employee.getName(), " makes ",Employee.getPayRate(), " per hour" stop
Q3) Identify an object that might belong to the Automobile class:
A) string name
B) num price
C) Toyota
D) jet
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