QUIZ 1

• What is the primary purpose of a data type in C++?

  To classify variables and objects
• Which of the following is NOT a basic major data type in C++?

  Graphical
• What is the keyword used for a logical data type in C++?

  bool
• Which of the following is a floating-point data type?

  double
• What is an identifier in C++?

  A name for labels, types, variables, constants, or functions
• Which of the following is NOT a rule for naming identifiers in C++?

  Can contain spaces
• What is the purpose of a constant in C++?

  To hold fixed values
• Which of the following is a valid C++ keyword?

  return
• What is a data structure?

  A format for storing and organizing data
• Which of the following is a non-linear data structure?

  Tree
• What is an abstract data type (ADT)?

  A logical description of data and operations
• Which operation is NOT typically associated with ADTs?

  Compiling
• What is a stack in data structures?

  A list where the last element added is the first retrieved
• What is a queue in data structures?

  A list where the first element added is the first retrieved
• What is the main characteristic of a heap?

  It is a complete binary tree
• Which data structure is used to represent hierarchical data?

  Tree
• What is a graph in data structures?

  A set of vertices and edges
• What is a priority queue?

  A queue where elements are processed based on priority
• What is a set in data structures?

  A collection of unique elements
• What is a map in data structures?

  A set of ordered pairs
• Who is credited as the creator of C++?

  Bjarne Stroustrup
• What are the two broad categories of numerical data types in C++?

  Integer and Floating point
• Which of these is NOT a valid integer type in C++?

  float
• How many types of floating point numbers are there in C++?

  2
• What is the keyword used for strings in C++?

  string
• Which data type in C++ can only hold the values true or false?

  bool
• What is the purpose of using const in C++?

  To create a constant
• What does the '\n' escape sequence represent in C++?

  Newline
• What is the purpose of the getline() function in C++?

  To read a line of text
• What are the two types of data structures?

  Linear and Non-linear
• What does ADT stand for in the context of data structures?

  Abstract Data Type
• What principle does a stack data structure follow?

  Last-In, First-Out
• Tree

  data structure represents a hierarchical nature in a graphical form
• What is a key characteristic of a heap data structure?

  It's a complete binary tree
• What makes a priority queue different from a regular queue?

  Elements are processed based on their order