Introduction to C++ Programming Exam
Solutions
Course Introduction
Introduction to C++ Programming is a foundational course designed to equip students with essential knowledge and practical skills in computer programming using the C++ language. Through a combination of lectures and hands-on exercises, students will learn core programming concepts such as variables, data types, control structures, functions, arrays, pointers, and object-oriented programming principles like classes and inheritance. The course emphasizes problem-solving techniques, algorithm development, and the efficient use of C++ standard libraries, preparing students to design, implement, and debug simple to moderately complex programs. Upon completion, students will have a solid grounding in C++ fundamentals and be ready to tackle more advanced programming challenges.
Recommended Textbook
C++ Programming Program Design Including Data Structures 8th Edition by D. S. Malik
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Chapter 1: An Overview of Computers and Programming Languages
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Sample Questions
Q1) Several categories of computers exist, such as ____.
A) microframe, midframe, and miniframe
B) midsize, microframe, and mainframe
C) mainsize, midsize, and microsize
D) mainframe, midsize, and micro
Answer: D
Q2) The ASCII data set consists of ____________________ characters.
Answer: 128
Q3) The basic commands that a computer performs are ____, and performance of arithmetic and logical operations.
A) input, file, list
B) output, folder, storage
C) input, output, storage
D) storage, directory, log
Answer: C
Q4) To develop a program to solve a problem, you start by analyzing the problem.
A)True
B)False
Answer: True
Page 3
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Chapter 2: Basic Elements of C++
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Sample Questions
Q1) The smallest individual unit of a program written in any language is called a(n)
Answer: token
Q2) A data type is called ____________________ if the variable or named constant of that type can store only one value at a time.
Answer: simple
Q3) An example of a floating point data type is ____.
A) int
B) char
C) double
D) short
Answer: C
Q4) Which of the following is the newline character?
A) \r
B) \n
C) \l
D) \b
Answer: B
Q5) The memory space for a(n) ____________________ data value is 64 bytes.
Answer: long long
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Chapter 3: Inputoutput
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Sample Questions
Q1) Suppose that ch1 and ch2 are char variables and the input is:WXYZ What is the value of ch2 after the following statements execute?
Cin >> ch1;
Ch2 = cin.peek();
Cin >> ch2;
A) W
B) X
C) Y
D) Z
Answer: B
Q2) If input failure occurs in a C++ program, the program terminates immediately and displays an error message.
A)True
B)False
Answer: False
Q3) It is a good idea to redefine cin and cout in your programs.
A)True
B)False
Answer: False
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Chapter 4: Control Structures I Selection
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Sample Questions
Q1) Which of the following is the "not equal to" relational operator?
A) !
B) |
C) !=
D) &
Q2) The result of a logical expression cannot be assigned to an int variable, but it can be assigned to a bool variable.
A)True
B)False
Q3) You can use either a(n) ____ or a ____ to store the value of a logical expression.
A) float, double
B) char, string
C) int, bool
D) float, string
Q4) Which of the following is a relational operator?
A) =
B) ==
C) !
D) &&
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Chapter 5: Control Structures Ii Repetition
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Sample Questions
Q1) The statement in the body of a while loop acts as a decision maker.
A)True
B)False
Q2) Which of the following loops does not have an entry condition?
A) EOF-controlled while loop
B) sentinel-controlled while loop
C) do...while loop
D) for loop
Q3) To generate a random number, you can use the function rand of the header file ____________________.
Q4) Assume that all variables are properly declared.The following for loop executes 20 times.
for (i = 0; i <= 20; i++)
cout << i;
A)True
B)False
Q5) A semicolon at the end of the for statement (just before the body of the loop) is a(n) ____________________ error.
Q6) The function eof is a member of the data type ____________________.
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Chapter 6: User-Defined Function
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Sample Questions
Q1) Which statement below about prototypes and headers is true?
A) Parameter names must be listed in the prototype, but not necessarily in the header.
B) Prototypes end with a semicolon, but headers do not.
C) Headers should come before prototypes.
D) Headers end with a semicolon, but prototypes do not.
Q2) A function prototype is ____.
A) a definition, but not a declaration
B) a declaration and a definition
C) a declaration, but not a definition
D) a comment line
Q3) A variable listed in a header is known as a(n) ____ parameter.
A) actual
B) local
C) formal
D) function
Q4) Using functions greatly enhances a program's readability because it reduces the complexity of the function main.
A)True
B)False
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Chapter 7: Namespaces, the Class String, and
User-Defined Simple Data Types
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Sample Questions
Q1) Before using the data type string, the program must include the header file ____.
A) enum
B) iostream
C) string
D) std
Q2) The identifiers in the system-provided header files such as iostream, cmath, and iomanip are defined in the namespace ____.
A) cctype
B) stdl
C) std
D) stdlib
Q3) Consider the following statements:string str = "ABCDEFD"; string::size_type position; After the statement position = str.find('D'); executes, the value of position is ____.
A) 3
B) 4
C) 6
D) 7
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Chapter 8: Arrays
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Sample Questions
Q1) Consider the following statement: int alpha[25][10];.Which of the following statements about alpha is true?
A) Rows of alpha are numbered 0...24 and columns are numbered 0...9.
B) Rows of alpha are numbered 0...24 and columns are numbered 1...10.
C) Rows of alpha are numbered 1...24 and columns are numbered 0...9.
D) Rows of alpha are numbered 1...25 and columns are numbered 1...10.
Q2) If an array index goes out of bounds, the program always terminates in an error.
A)True
B)False
Q3) Consider the following statement: double alpha[10][5];.The number of components of alpha is ____.
A) 15
B) 50
C) 100
D) 150
Q4) When you pass an array as a parameter, the base address of the actual array is passed to the formal parameter.
A)True
B)False
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Chapter 9: Records Structs
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Sample Questions
Q1) A struct is a(n) ____________________, not a declaration.
Q2) Data in a struct variable must be read one member at a time.
A)True
B)False
Q3) A struct is typically a ____ data structure.
A) simple
B) dynamic
C) heterogeneous
D) linked
Q4) In structs, you access a component by using the struct name together with the relative position of the component.
A)True
B)False
Q5) You can assign the value of one struct variable to another struct variable of ____ type.
A) a simple data
B) the same
C) an array
D) any
Q6) Arrays are passed by ____________________ only.
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Chapter 10: Classes and Data Abstraction
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Sample Questions
Q1) With ____________________ functions, the definitions of the member functions are placed in the implementations file.
Q2) Which of the following is true about classes and structs?
A) By default, all members of a struct are public and all members of a class are private.
B) A struct variable is passed by value only, and a class variable is passed by reference only.
C) An assignment operator is allowed on class variables, but not on struct variables. D) You cannot use the member access specifier private in a struct.
Q3) Consider the UML class diagram shown in the accompanying figure.According to the UML class diagram, how many private members are in the class?
A) none
B) zero
C) two
D) three
Q4) The header file is also known as the ____________________.
Q5) A(n) ____________________ function of a class changes the values of the member variable(s) of the class.
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Chapter 11: Inheritance and Composition
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Q1) If the derived class does not override a public member function of the base class, you may specify a call to that public member function by using the name of the function and the appropriate parameter list.
A)True
B)False
Q2) Which of the following is true about inheritance?
A) All public member functions of the base class become the public member functions of the derived class.
B) All public member variables of the base class become the public member variables of the derived class.
C) All public members of the base class become the public members of the derived class.
D) The public member variables of the base class become the public or private member variables of the derived class.
Q3) OOP implements ____.
A) UML
B) IPE
C) EIP
D) OOD
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Chapter 12: Pointers, Classes, Virtual Functions, and
Abstract Classes
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Sample Questions
Q1) In C++, you declare a pointer variable by using the ____ symbol.
A) *
B) & C) #
D) @
Q2) In C++, pointer variables are declared using the reserved word pointer.
A)True
B)False
Q3) The C++ operator ____ is used to destroy dynamic variables.
A) destroy
B) delete
C) *
D)
Q4) The ____ constructor is executed when an object is declared and initialized by using the value of another object.
A) default
B) copy
C) struct
D) class
Page 14
Q5) A(n) ____________________ is a collection of distinct elements of the same type.
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Chapter 13: Operator Overloading and Templates
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Sample Questions
Q1) To include the operator function operator+ as a nonmember function of the class rectangleType, its prototype in the definition of rectangleType is: ____ rectangleType operator+(const rectangleType&, const rectangleType&);
A) bool
B) int
C) double
D) friend
Q2) The operators that cannot be overloaded are ., .*, ::, ?:, and ____________________.
Q3) Class templates are called ____ types.
A) polymorphic
B) structured
C) member
D) parameterized
Q4) With the exception of the ____________________ operator and the member selection operator, operators must be overloaded to be used on class objects.
Q5) The associativity of the operator = is from right to left.
A)True
B)False
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Chapter 14: Exception Handling
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Sample Questions
Q1) C++ provides all the exception classes you will ever need.
A)True
B)False
Q2) In C++, throw is a(n) ____________________ word.
Q3) If the catch block with an ellipses (in the heading) is needed, then it should be the first catch block in a sequence of try/catch blocks.
A)True
B)False
Q4) Which of the following statements throws a valid exception in C++?
A) throw.function();
B) throw 2;
C) throws str;
D) 4 throw;
Q5) If you want to include members in your exception class, you typically include the function ____.
A) that
B) this
C) log
D) what
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Chapter 15: Recursion
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Sample Questions
Q1) A definition in which something is defined in terms of a smaller version of itself is called a(n) ____ definition.
A) step-wise
B) recursive
C) member-wise
D) iterative
Q2) Consider the accompanying definition of the recursive function mystery.Given the declaration:int beta[10] = {2, 5, 8, 9, 13, 15, 18, 20, 23, 25}; What is the output of the following statement?
Cout << mystery(beta, 4, 7) << endl;
A) 27
B) 33
C) 55
D) 66
Q3) With recursion, the base case must eventually be reduced to a general case.
A)True
B)False
Q4) You can use a recursive algorithm to find the largest element in an array.
A)True
B)False
Page 18
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Chapter 16: Linked Lists
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Sample Questions
Q1) Which of the following correctly initializes a doubly linked list in the default constructor?
A) head = nullptr; Back = nullptr;
B) head = 0; Back = 0; Count = 0;
C) first = 0; Last = 0;
D) first = nullptr;
Last = nullptr; Count = 0;
Q2) You can use the pointer head of a linked list to traverse the list.
A)True
B)False
Q3) For classes that include pointer data members, the assignment operator must be explicitly ____________________.
Q4) The ____________________ constructor executes when an object is declared and initialized using another object.
Q5) In C++, the dereferencing operator is ____________________.
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Chapter 17: Stacks and Queue
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Sample Questions
Q1) When a stack is implemented as an array, the array is empty if the value of stackTop is ____.
A) zero
B) one
C) nonzero
D) equal to the size of the array
Q2) Postfix notation requires the use of parentheses to enforce operator precedence. A)True B)False
Q3) ____________________ techniques are used when it is too expensive or dangerous to experiment with real systems.
Q4) An array is a(n) ____________________ access data structure.
Q5) In the array representation of a stack, the stack is initialized simply by setting stackTop to ____________________.
Q6) The ____________________ constructor is called when a stack object is passed as a (value) parameter to a function.
Q7) In ____________________ notation, operators are written after the operands.
Q8) When describing a queuing system, we use the term ____________________ to refer to the time it takes to serve a customer.
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Chapter 18: Searching and Sorting Algorithms
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Q1) In a quick sort, all of the sorting work is done by the function
Q2) The swap function of quick sort is written differently from the swap function for selection sort.
A)True
B)False
Q3) If n = 1000, to sort the list, bubble sort makes about ____ item assignments.
A) 10,000
B) 100,000
C) 250,000
D) 500,000
Q4) Assume that list consists of the following elements.What is the result after bubble sort completes? int list[] = {2, 56, 34, 25, 73, 46, 89, 10, 5, 16};
A) 89 73 56 46 34 25 16 10 5 2
B) 2 56 34 25 5 16 89 46 73
C) 2 5 10 16 25 34 46 56 73 89
D) 2 10 16 25 34 46 56 73 89
Q5) To construct a search algorithm of the order less than log<sub>2</sub>n, it cannot be ____________________ based.
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Chapter 19: Binary Trees
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Q1) Consider that A is a binary tree, C and D are the subtrees of A.Which of the following statements is always true?
A) C and D are binary trees.
B) C and D are search binary trees.
C) C and D are empty trees.
D) A is empty.
Q2) The key of the right child below the root node of a search binary tree is 40.The value in the root node could be ____.
A) 30
B) 40
C) 50
D) 60
Q3) When a class object is passed by value, the ____________________ constructor copies the value of the actual parameters into the formal parameters.
Q4) The level of the root node of a binary tree is 1.
A)True
B)False
Q5) The ____________________ of a path in a binary tree is the number of branches on that path.
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Chapter 20: Graph Algorithms
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Q1) A minimal spanning tree of G is a spanning tree with the minimum ____.
A) path
B) cycle
C) weight
D) height
Q2) A(n) ____ tree T is a simple graph such that if u and v are two vertices in T, a unique path exists from u to v.
A) rooted
B) free
C) spanning
D) weighted
Q3) The shortest path is the path with the smallest ____.
A) length
B) index
C) weight
D) key
Q4) A simple path is a path in which all vertices, except possibly the first and last vertices, are distinct.
A)True
B)False
Page 23
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Chapter 21: Standard Template Library
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Q1) The class ____ contains the definition of an output stream iterator.
A) iostream
B) iostream_iterator
C) ostream
D) ostream_iterator
Q2) The ____ operation returns a pointer to the position before the first element in container ct.
A) ct.front()
B) ct.rbegin()
C) ct.rend()
D) ct.end()
Q3) Random access iterators are ____ iterators that can randomly process the elements of a container.
A) bidirectional
B) forward
C) input
D) output
Q4) The associated header file of the sequence container multimap is ____________________.
Q5) List containers are implemented as doubly ____________________.
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