Computer Science I Exam Solutions
Course Introduction
Computer Science I introduces the foundational principles of computer science and problem-solving using programming. Students will learn the basics of algorithm development, data types, control structures, functions, and basic data structures such as arrays and lists. The course emphasizes writing and debugging code, with practical assignments that build proficiency in a modern programming language. By the end of the course, students will be able to design, implement, and test simple programs, laying the groundwork for further study in computer science.
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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50 Verified Questions
50 Flashcards
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Sample Questions
Q1) A variable's ____ describes the kind of values the variable can hold,how much memory the value occupies,and the types of operations that can be performed with the data stored there.
A) size
B) name
C) data type
D) value
Answer: C
Q2) Jerry needs to know more about the report.He asks Anna questions about what the report should look like and what other information should be included on the report.What part of the program development cycle is this?
A) Understanding the problem
B) Planning the logic
C) Coding the program
D) Interviewing about the problem
Answer: A
Q3) Computer programmers often refer to memory addresses using hexadecimal notation.
A)True
B)False
Answer: True
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Chapter 2: Understanding Structure
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50 Flashcards
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Sample Questions
Q1) if-else examples can also be called ____,because they contain the action taken when the tested condition is true and the action taken when it is false.
A) do loops
B) repetition
C) single-alternative selections
D) dual-alternative selections
Answer: D
Q2) A sequence can contain any number of tasks,but there is no chance to branch off and skip any of the tasks.
A)True
B)False
Answer: True
Q3) You can use an ____ statement to clearly show where the actions that depend on a decision end.
A) end
B) else
C) endif
D) if
Answer: C
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Page 4
Chapter 3: Making Decisions
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50 Verified Questions
50 Flashcards
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Sample Questions
Q1) Most programming languages allow you to combine as many AND and OR operators in an expression as you need.
A)True
B)False
Answer: True
Q2) C#,C++,C,and Java use the symbol ____ to represent the logical OR.
A) %%
B) &&
C) ||
D) **
Answer: C
Q3) You use the logical ____ operator to reverse the meaning of a Boolean expression.
A) NOT
B) AND C) OR
D) XOR
Answer: A
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Page 5
Chapter 4: Looping
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Sample Questions
Q1) While making decisions is what makes computers seem intelligent,it's looping that makes computer programming both efficient and worthwhile.
A)True
B)False
Q2) Most languages provide a built-in way to check whether a value that is entered is numeric or not.
A)True
B)False
Q3) When you use a ____ within a computer program,you can write one set of instructions that operates on multiple,separate sets of data.
A) counter
B) variable
C) loop
D) sentinel
Q4) As long as a Boolean expression remains true,a ____ loop's body executes.
A) do
B) go
C) while D) begin
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Chapter 5: Arrays
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Sample Questions
Q1) The number of elements an array will hold is known as the ____ of the array.
A) bounds
B) limits
C) constraints
D) size
Q2) Leaving a loop as soon as a match is found improves the program's ____.
A) indirect relationships
B) logic
C) simplicity
D) efficiency
Q3) Most programming languages use a statement similar to the following to declare a three-element array and assign values to it: ____
A) {20,30,40} = num someVals[3]
B) num someVals[3] = {someVals}
C) num someVals[] = 20,30,40
D) num someVals[3] = 20,30,40
Q4) Write the pseudocode to define and initialize a five element array called "evens," with even numbers from 2 to 10,and then find the total of the values in the array using a for loop.
Q5) Define and initialize an array that contains the names of the days of the week.
Page 7
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Chapter 6: Using Methods
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50 Flashcards
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Sample Questions
Q1) In daily life,using a low-level,abstract list of chores makes your day manageable.
A)True
B)False
Q2) In most circumstances,you should not declare global variables and constants.
A)True
B)False
Q3) Programmers often say that a method's implementation details are hidden in a(n)____.
A) black box
B) secret box
C) trap door
D) invisible box
Q4) The arguments sent to a method in a method call are often referred to as ____ parameters.
A) formal
B) declared
C) instantiated
D) actual
Q5) What is the difference between an argument and a parameter variable?
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Chapter 7: Object-Oriented Programming
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Sample Questions
Q1) Each method that each object can use is an ____ method.
A) invoke
B) instance
C) enabled
D) included
Q2) When you use inheritance you can reuse well-established features of ____.
A) parent classes
B) derived classes
C) child classes
D) subclasses
Q3) Because the plus symbol (+)has diverse meanings based on context,it is ____.
A) overdefined
B) defined
C) polyclassist
D) polymorphic
Q4) The syntax used to declare a class differs among programming languages.
A)True
B)False
Q5) List the three parts of a class definition.
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