Computer Science I
Midterm Exam
Course Introduction
Computer Science I is an introductory course that explores the fundamental concepts of computer science and programming. Students will develop problem-solving skills by learning how to design, write, and test algorithms and programs using a high-level programming language such as Python or Java. The course covers core topics including data types, control structures, functions, input/output, and basic data structures like arrays and lists. Emphasis is placed on logical thinking, debugging, and developing programs that address real-world problems, laying a strong foundation for further study in computer science.
Recommended Textbook
C++ Programming From Problem Analysis to Program Design 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) ____________________ languages include FORTRAN, COBOL, Pascal, C, C++, Java, and Python.
Answer: High-level
high-level
High level
high level
Q2) A program called a(n) ____ translates instructions written in high-level languages into machine code.
A) assembler
B) decoder
C) compiler
D) linker
Answer: C
Q3) The devices that feed data and programs into computers are called ____ devices.
A) entry
B) input
C) output
D) secondary
Answer: B
Page 3
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Chapter 2: Basic Elements of C++
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Sample Questions
Q1) An example of a floating point data type is ____.
A) int
B) char
C) double
D) short Answer: C
Q2) Suppose we declare a variable sum as an int. The statement "sum += 7;" is equivalent to the statement "sum = sum + 7;".
A)True
B)False
Answer: True
Q3) The declaration int a, b, c; is equivalent to which of the following?
A) inta , b, c;
B) int a,b,c;
C) int abc;
D) int a b c;
Answer: B
Q4) The maximum number of significant digits is called the ____________________.
Answer: precision
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Chapter 3: Inputoutput
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Sample Questions
Q1) Entering a char value into an int variable causes serious errors, called input failure.
A)True
B)False
Answer: True
Q2) The function ____________________ returns the next character in the input stream; it does not remove the character from the input stream.
Answer: peek
Q3) ____ is a parameterized stream manipulator.
A) endl
B) fixed
C) scientific
D) setfill
Answer: D
Q4) In C++, the dot is an operator called the ____ operator.
A) dot access
B) member access
C) data access
D) member
Answer: B
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Chapter 4: Control Structures I Selection
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Sample Questions
Q1) Which of the following will cause a logical error if you are attempting to compare x to 5?
A) if (x == 5)
B) if (x = 5)
C) if (x <= 5)
D) if (x >= 5)
Q2) Suppose x is 5 and y is 7. Choose the value of the following expression: (x != 7) && (x <= y)
A) false
B) true
C) 0
D) null
Q3) Which of the following expressions correctly determines that x is greater than 10 and less than 20?
A) 10 < x < 20
B) (10 < x < 20)
C) 10 < x && x < 20
D) 10 < x || x < 20
Q4) Putting ____________________ in front of a logical expression reverses the value of that logical expression.
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Chapter 5: Control Structures II Repetition
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Sample Questions
Q1) A loop ____________________ is a set of statements that remains true each time the loop body is executed.
Q2) The control statements in the for loop include the initial statement, loop condition, and update statement.
A)True
B)False
Q3) In a counter-controlled while loop, the loop control variable must be initialized before the loop.
A)True
B)False
Q4) The number of iterations of a counter-controlled loop is known in advance.
A)True
B)False
Q5) Which of the following is a repetition structure in C++?
A) if
B) switch
C) while...do
D) do...while
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) If the formal parameter list of a function is empty, the parentheses after the function name are not needed.
A)True
B)False
Q2) If a function needs to return more than one value, as a rule of good programming style, you should change it to a(n) ____________________ function and use the appropriate reference parameters to return the values.
Q3) To use the predefined function tolower, the program must include the header file
A) <cctype>
B) <iostream>
C) <cmath>
D) <cstdlib>
Q4) Which of the following function prototypes is valid?
A) int funcExp(int x, float v);
B) funcExp(int x, float v){};
C) funcExp(void);
D) int funcExp(x);
Q5) A function ____________________ is a function that is not fully coded.
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Chapter 7: Namespaces, the Class String, and
User-Defined Simple Data Types
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Sample Questions
Q1) The values in the domain of an enumeration type are called
Q2) The data type string has a named constant, ____, associated with it.
A) string::size
B) string::size_type
C) string::pos
D) string::npos
Q3) The length of the string "Hello There. " is ____.
A) 11
B) 12
C) 13
D) 14
Q4) The string expression strVar.____________________ inserts all the characters of str at index pos into strVar.
Q5) The ____ function is used to interchange the contents of two string variables.
A) iterator
B) traverse
C) swap
D) change
Q6) In ANSI/ISO Standard C++, the ____________________ mechanism was designed to solve the problem of overlapping global identifiers. Page 9
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Chapter 8: Arrays
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Q1) A collection of a fixed number of elements (called components) arranged in n dimensions (n >= 1) is called a(n) ____.
A) matrix
B) vector
C) n-dimensional array
D) parallel array
Q2) Arrays can be passed as parameters to a function by value, but it is faster to pass them by reference.
A)True
B)False
Q3) Which of the following correctly declares name to be a character array and stores "William" in it?
A) char name[6] = "William";
B) char name[7] = "William";
C) char name[8] = "William";
D) char name[8] = 'William';
Q4) The word ____________________ is used before the array declaration in a function heading to prevent the function from modifying the array.
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Chapter 9: Records Structs
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Sample Questions
Q1) An array name and index are separated using ____.
A) curly brackets
B) square brackets
C) a dot
D) a comma
Q2) The following statement defines a struct houseType with a total of ____________________ member(s).
struct houseType
{ string style; int numOfBedrooms; int numOfBathrooms; int numOfCarsGarage; int yearBuilt; };
Q3) Typically, in a program, a struct is defined ____ in the program.
A) in the main function
B) before the definitions of all the functions
C) after the definitions of all the functions
D) in any function
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Chapter 10: Classes and Data Abstraction
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Sample Questions
Q1) In C++, the ____ is called the member access operator.
A) .
B) ,
C) ::
D) #
Q2) If a class object is passed by ____________________, the contents of the member variables of the actual parameter are copied into the corresponding member variables of the formal parameter.
Q3) A(n) ____________________ function of a class changes the values of the member variable(s) of the class.
Q4) Consider the accompanying class definition, and the declaration: rectangleType bigRect;
Which of the following statements is correct?
A) rectangleType.print();
B) rectangleType::print();
C) bigRect.print();
D) bigRect::print();
Q5) The header file is also known as the ____________________.
Q6) Non-static member variables of a class are called the ____________________ variables of the class.
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Chapter 11: Inheritance and Composition
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Q1) The constructors of a derived class can (directly) initialize only the (public data) members inherited from the base class of the derived class.
A)True
B)False
Q2) If the corresponding functions in the base class and the derived class have the same name but different sets of parameters, then this function is ____ in the derived class.
A) reused
B) redefined
C) overloaded
D) overridden
Q3) If inheritance is private, all members of the base class, including private members, become private members of the derived class.
A)True
B)False
Q4) In multiple inheritance, the derived class has more than one base class.
A)True
B)False
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Chapter 12: Pointers, Classes, Virtual Functions, and
Abstract Classes
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Sample Questions
Q1) Which of the following would be appropriate syntax for the heading of a copy constructor for a class called rulerType?
A) rulerType(int inches, int centimeters)
B) rulerType()
C) rulerType(const rulerType& myRuler)
D) copy rulerType(int inches, int centimeters)
Q2) The dereferencing operator is also known as the indirection operator and refers to the object to which its operand points.
A)True
B)False
Q3) A class ____ automatically executes whenever a class object goes out of scope. A) constructor
B) destructor
C) pointer
D) exception
Q4) The ____________________ of a base class automatically makes the destructor of a derived class virtual.
Q5) The copy constructor automatically executes when, as a parameter, an object is passed by ____________________.
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Chapter 13: Overloading and Templates
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Sample Questions
Q1) Most operator functions can either be member functions or nonmember functions of a class.
A)True
B)False
Q2) In C++, operator is a reserved word.
A)True
B)False
Q3) When writing the definition of a friend function, the name of the class and the scope resolution operator precede the name of the friend function in the function heading.
A)True
B)False
Q4) The name of the function to overload the operator <= is ____.
A) overload<=
B) <=new
C) operator<=
D) <=operator
Q5) A(n) ____________________ constructor converts its argument to an object of the constructor's class.
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Chapter 14: Exception Handling
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Sample Questions
Q1) One of the typical ways of dealing with exceptions is to use an if statement.
A)True
B)False
Q2) The class ____ is the base of the classes designed to handle exceptions.
A) class
B) exception
C) logic_error
D) runtime_error
Q3) The class ____________________ deals with the string subscript out of range error.
Q4) The function ____ returns a string containing an appropriate message.
A) where
B) what
C) when
D) log
Q5) An exception is an occurrence of an undesirable situation that can be detected during program compilation.
A)True
B)False
Q6) In C++, throw is a(n) ____________________ word.
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Chapter 15: Recursion
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Q1) If you execute an infinite recursive function on a computer, the function executes until the system runs out of ____________________.
Q2) Which of the following function headings can be used for a recursive definition of a function to calculate the nth Fibonacci number?
A) void rFibNum(int a, int b)
B) bool rFibNum(int a, int b)
C) bool rFibNum(int a, int b, int n)
D) int rFibNum(int a, int b, int n)
Q3) The recursive algorithm must have one or more base cases, and the general solution must eventually be reduced to a(n) ____________________.
Q4) In a recursive function, the base case stops the recursion.
A)True B)False
Q5) The ____________________ Fibonacci number in a sequence is the sum of the second and third Fibonacci numbers.
Q6) In the Tower of Hanoi problem, if needle 1 contains three disks, then the number of moves required to move all three disks from needle 1 to needle 3 is
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Chapter 16: Searching and Sorting
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Sample Questions
Q1) Consider the following list. int list[] = {4, 8, 19, 25, 34, 39, 45, 48, 66, 75, 89, 95}
When performing a binary search for 75, after the first comparison, the search is restricted to ____.
A) list[0]...list[6]
B) list[0]...list[7]
C) list[5]...list[11]
D) list[6]...list[11]
Q2) In order to apply a(n) ____________________ search, the list must be sorted.
Q3) The type vector provides the expression ____________________, which returns the maximum number of elements that can be inserted into the object vecList.
Q4) For a list size of 1000, on average, the sequential search makes about ____________________ key comparisons.
Q5) Assume that n = 1000. To sort the list, bubble sort makes about ____ item assignments.
A) 10,000
B) 100,000
C) 250,000
D) 500,000
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Chapter 17: Linked Lists
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Sample Questions
Q1) Consider the statements above. The list is empty if the pointer first is ____.
A) nullptr
B) 0
C) last
D) next
Q2) 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;
Q3) A linked list is a random access data structure.
A)True
B)False
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Chapter 18: Stacks and Queues
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Q1) The elements at the ____________________ of the stack have been in the stack the longest.
Q2) To describe a queuing system, we use the term ____ for the object receiving the service.
A) receiver
B) server
C) customer
D) provider
Q3) The postfix expression 2 4 6 * + 15 - 21 7 / + = evaluates to ____.
A) 4
B) 14
C) 24
D) 26
Q4) The postfix expression 14 2 5 + = will generate an error, because ____.
A) it contains an illegal operator
B) it does not have enough operands
C) it has too many operators
D) there will be too many elements in the stack when the equal sign is encountered
Q5) In ____________________ notation, operators are written after the operands.
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