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Unit-1 Introduction to C Programming: Overview and History

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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?

1980s Signup and view all the answers

What categorizes C as a high-level language?

Its syntax using English language keywords Signup and view all the answers

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

Systems programming Signup and view all the answers

What makes C language highly portable?

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

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

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

Which characteristic makes C a system programming language?

Its ability to create system software Signup and view all the answers

What distinguishes C as a procedural language?

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

Which programming language was developed before C language?

BCPL Signup and view all the answers

Why is C considered a machine-independent language?

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

What type of programming does C support primarily?

Both low-level and high-level programming Signup and view all the answers

What feature of C contributes to enhanced code reusability?

Its structured approach using functions Signup and view all the answers

Which year did ANSI C get standardized?

1989 Signup and view all the answers

What does C offer to support structured programming?

Capability to break the program into parts using functions 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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Description

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'.