Unit-1 Introduction to C Programming: Overview and History
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Questions and Answers

Who developed the C programming language in 1972?

  • Ken Thompson
  • Brian Kernighan and Dennis Ritchie
  • Dennis Ritchie (correct)
  • Brian Kernighan
  • From which earlier languages did C evolve?

  • Fortran and Cobol
  • Pascal and Modula-2
  • BCPL and Pascal
  • B and BCPL (correct)
  • Who published a definitive description of the language in 1978, referred to as the ‘K&R C’?

  • Ken Thompson and Dennis Ritchie
  • Ken Thompson
  • Brian Kernighan (correct)
  • Dennis Ritchie
  • By which decade was C one of the most popular programming languages being used?

    <p>1980s</p> Signup and view all the answers

    What categorizes C as a high-level language?

    <p>Its syntax using English language keywords</p> Signup and view all the answers

    For what purpose is C widely used due to its flexibility?

    <p>Systems programming</p> Signup and view all the answers

    What makes C language highly portable?

    <p>It has its own set of library functions for each version</p> Signup and view all the answers

    Why is C considered the mother language of modern programming languages?

    <p>Because most of the compilers, JVMs, Kernels, etc. are written in C language</p> Signup and view all the answers

    Which characteristic makes C a system programming language?

    <p>Its ability to create system software</p> Signup and view all the answers

    What distinguishes C as a procedural language?

    <p>It specifies a series of steps for the program to solve a problem</p> Signup and view all the answers

    Which programming language was developed before C language?

    <p>BCPL</p> Signup and view all the answers

    Why is C considered a machine-independent language?

    <p>Because it can be executed on different machines with little machine-specific changes</p> Signup and view all the answers

    What type of programming does C support primarily?

    <p>Both low-level and high-level programming</p> Signup and view all the answers

    What feature of C contributes to enhanced code reusability?

    <p>Its structured approach using functions</p> Signup and view all the answers

    Which year did ANSI C get standardized?

    <p>1989</p> Signup and view all the answers

    What does C offer to support structured programming?

    <p>Capability to break the program into parts using functions</p> Signup and view all the answers

    Study Notes

    C Programming Language

    • Developed by Dennis Ritchie in 1972

    Evolution of C

    • Evolved from earlier languages

    K&R C

    • Definitive description of C published in 1978 by Brian Kernighan and Dennis Ritchie
    • Referred to as 'K&R C'

    Popularity of C

    • Became one of the most popular programming languages by the 1980s

    Characteristics of C

    • High-level language due to abstraction from machine language
    • Flexibility makes it widely used for various purposes
    • Highly portable due to ability to compile on different platforms
    • Considered the "mother language" of modern programming languages due to its influence

    System Programming

    • Characterized as a system programming language due to ability to directly access hardware components

    Procedural Language

    • Distinguishes C as a procedural language due to focus on procedures and functions

    Predecessors of C

    • Developed before C language was B language

    Machine Independence

    • C is considered machine-independent due to ability to compile and run on different platforms

    Programming Support

    • Primarily supports structured, procedural, and imperative programming
    • Code reusability is enhanced due to functions and modular programming

    Standardization

    • ANSI C got standardized in 1989

    Structured Programming

    • Offers support for structured programming through use of functions, loops, and conditional statements

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    Test your knowledge on the overview and history of C programming language, including its development at Bell Laboratories and the publication of 'K&R C'.

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