Principles of Programming: Unit-1 Overview of C Language

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Questions and Answers

When was the C language initially developed?

  • 1972 (correct)
  • 2000
  • 1990
  • 1985

What was the main purpose for developing the C language?

  • System programming language for UNIX operating system (correct)
  • Artificial intelligence
  • Mobile application development
  • Web development

Which feature of the C language makes it suitable for system programming like operating system or compiler development?

  • Complex Syntax
  • Slow Speed
  • Limited Portability
  • Low-level Memory Access (correct)

What part of the C program consists of the description of the program, programmer's name, and creation date?

<p>Documentation (D)</p> Signup and view all the answers

What does the preprocessor directive #define allow us to do in a C program?

<p>Use constants in our code (B)</p> Signup and view all the answers

From which function does the execution start for every C program?

<p>main() function (A)</p> Signup and view all the answers

Which type of characters does the C programming language support?

<p>Alphabets, digits, and special symbols (B)</p> Signup and view all the answers

What is the total number of lowercase alphabets supported by the C programming language?

<p>26 (C)</p> Signup and view all the answers

What is the purpose of the main() function in C programs?

<p>To indicate the beginning of program execution (B)</p> Signup and view all the answers

What is the purpose of the subprograms in the C programming language?

<p>To contain user-defined functions and inbuilt functions used in the main() function (B)</p> Signup and view all the answers

What does the escape sequence help in managing in C programming?

<p>Programs (C)</p> Signup and view all the answers

What is the total number of digits supported by the C programming language?

<p>10 (B)</p> Signup and view all the answers

What is the character set of the C programming language?

<p>A set of characters used to construct words, statements, etc. (C)</p> Signup and view all the answers

What is the primary purpose of the Global Declaration section in C programs?

<p>To declare function definitions accessible by all subprograms (C)</p> Signup and view all the answers

What is the purpose of the getch() function in the given example?

<p>To pause program execution until a key is pressed (D)</p> Signup and view all the answers

What does the #define BORN 2000 statement do in the given example?

<p>Defines a constant named BORN with a value of 2000 (D)</p> Signup and view all the answers

Flashcards

When was C developed?

C was initially developed in 1972.

Purpose of C?

C was developed as a system programming language for the UNIX operating system.

C's system programming feature?

C's low-level memory access makes it suitable for system programming.

What is C documentation?

Documentation in C program consists of the description of the program, programmer's name, and creation date.

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#define's purpose?

The preprocessor directive #define allows us to use constants in our C code.

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C program start?

Execution for every C program starts from the main() function.

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C character types?

C supports alphabets, digits, and special symbols.

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Lowercase alphabets in C?

The C programming language supports 26 lowercase alphabets.

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main() function purpose?

The main() function in C programs indicates the beginning of program execution.

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Subprogram function?

Subprograms in C contain user-defined and inbuilt functions used by main().

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Escape sequence in C?

Escape sequences help in managing programs in C programming.

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Digits in C?

The C programming language supports 10 digits.

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C character set?

The character set of C is a set of characters used to construct words and statements.

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Global Declaration purpose?

The Global Declaration section declares function definitions accessible by all subprograms.

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getch() function purpose?

The getch() function pauses program execution until a key is pressed.

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#define statement?

#define BORN 2000 defines a constant named BORN with a value of 2000.

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