ECEng2052 Chapter 1: C++ Basics
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Questions and Answers

What is C++?

  • A programming language used only for web development
  • A general-purpose programming language developed in the 1990s
  • A type of database management system
  • A general-purpose programming language that was developed as an extension of the C programming language (correct)

Who developed C++?

  • Larry Page
  • Bjarne Stroustrup (correct)
  • Bill Gates
  • Steve Jobs

What does the '++' in C++ stand for?

  • C plus plus
  • Complex plus plus
  • Incremental improvement on C (correct)
  • Compiled plus plus

What is the purpose of the #include directive in a C++ program?

<p>To include the standard input-output stream library (B)</p> Signup and view all the answers

What is the purpose of the 'using namespace std;' directive in a C++ program?

<p>To allow the use of the standard library (A)</p> Signup and view all the answers

What is the purpose of the 'int main()' function in a C++ program?

<p>To indicate the entry point of the program (D)</p> Signup and view all the answers

Study Notes

C++ Basics

  • C++ is a general-purpose programming language developed as an extension of the C programming language.
  • It was created by Bjarne Stroustrup at Bell Labs in the early 1980s.
  • C++ allows programmers to write software that can be compiled and run on many different systems with minimal customization.
  • The language started as an extension of C but added support for classes and objects.
  • The name "C++" is a wordplay because, in the syntax of C, the ++ operator adds an increment, implying an incremental improvement on C.

Structure of C++ Program

  • A C++ program consists of:
    • Preprocessor directives
    • using namespace std; to allow the use of the standard library
    • int main() as the entry point of the program where execution begins
    • return 0; to indicate successful completion of the program

Example Program

  • An example program to display "Hello welcome to C++" would include:
    • #include to include the standard input-output stream library
    • using namespace std;
    • int main() as the entry point
    • cout to display the output "Hello welcome to C++"

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Introduction to C++ programming language, its history, features and advantages. Learn about the creator of C++ and its ability to compile and run on many systems.

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