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Questions and Answers
What are the main characteristics that define the C programming language?
What are the main characteristics that define the C programming language?
The main characteristics of C include portability, efficiency, flexibility, and reliability.
Explain the difference between a variable and a data type in C.
Explain the difference between a variable and a data type in C.
A variable is a named memory location that stores a value, while a data type defines what type of value a variable can hold, such as int or float.
List the types of operators available in C and provide a brief description of each.
List the types of operators available in C and provide a brief description of each.
C has arithmetic operators (+, -, *, /, %), which perform mathematical operations, and comparison operators (==, !=, >, >=), which compare values.
What is an array in C and how is it different from a structure?
What is an array in C and how is it different from a structure?
What necessitated the development of the C programming language in 1972?
What necessitated the development of the C programming language in 1972?
Flashcards
What is C?
What is C?
A general-purpose programming language known for its efficiency and flexibility. It was designed by Dennis Ritchie at Bell Labs in 1972.
What is a variable?
What is a variable?
A variable is a named location in computer memory that holds a value. It can change throughout the program.
What are data types?
What are data types?
These specify which type of data a variable can store, such as whole numbers (int), decimal numbers (float), or characters (char).
What are operators?
What are operators?
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What are control structures?
What are control structures?
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Study Notes
C Language Introduction
- C is a general-purpose, procedural, and compiled language.
- It was created by Dennis Ritchie in 1972.
- Key features include portability, efficiency, flexibility, and reliability.
- Developed at Bell Labs in 1972.
Basic Syntax Elements
- Variables: Names given to memory locations to store values.
- Data Types: Determine the kind of value a variable can hold (e.g., integers, floating-point numbers, characters).
- Operators: Symbols used for performing operations on variables and values (e.g., addition, subtraction, multiplication).
- Control Structures: Control the execution flow of a program (e.g.,
if-else, loops,switch).
Data Types in Detail
- Integer Types: Represent whole numbers (e.g.,
int,short,long,long long). - Floating-Point Types: Store numbers with decimal points (e.g.,
float,double,long double). - Character Types: Represent single characters (e.g.,
char). - Arrays: Ordered collections of values of the same data type, stored in consecutive memory locations.
- Structures: Collections of values of potentially different data types, stored contiguously.
Operators Explained
- Arithmetic Operators: Perform basic mathematical operations (e.g., addition
+, subtraction-, multiplication*, division/, modulo%). - Comparison Operators: Compare values and return a boolean result (e.g., equal
==, not equal!=, greater than>, less than<).
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