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Questions and Answers
How do you declare the data type of a returned value in a function?
How do you declare the data type of a returned value in a function?
How do you access an element in an array?
How do you access an element in an array?
What is the purpose of the * operator in pointer declaration?
What is the purpose of the * operator in pointer declaration?
What is the return type of a function that does not return a value?
What is the return type of a function that does not return a value?
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What is the index of the first element in an array?
What is the index of the first element in an array?
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What is the primary purpose of control structures in C?
What is the primary purpose of control structures in C?
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Which data type in C is used to store a single character?
Which data type in C is used to store a single character?
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What is the purpose of a function in C?
What is the purpose of a function in C?
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Which control structure in C is used to execute a block of code a specific number of times?
Which control structure in C is used to execute a block of code a specific number of times?
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What is the data type in C that stores a double-precision floating-point value?
What is the data type in C that stores a double-precision floating-point value?
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Which of the following is NOT a control structure in C?
Which of the following is NOT a control structure in C?
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Study Notes
C Programming Language
Data Types
C is a general-purpose, procedural, high-level programming language. It was developed by Dennis M. Ritchie in 1972 at Bell Telephone Laboratories. C is known for its simplicity and efficiency, making it an excellent choice for beginners to start their programming journey. C has several data types, including:
-
Integer: Stores an integer value, such as
intorshort. -
Character: Stores a single character, such as
char. -
Float: Stores a floating-point value, such as
float. -
Double: Stores a double-precision floating-point value, such as
double. -
Long: Stores a long integer value, such as
longorlong long. -
Boolean: Stores a boolean value, such as
bool.
Control Structures
Control structures in C provide the capability to control the flow of a program. These include:
- if-else statements: Used to execute one of multiple pieces of code based on a condition.
- switch-case statements: Similar to if-else statements, but with a switch key for the condition.
- while and do-while loops: Used to repeatedly execute a block of code until a condition is met.
- for loops: Used to execute a block of code a specific number of times.
- break and continue statements: Used to exit a loop prematurely or skip an iteration, respectively.
Functions
Functions in C are used to encapsulate a block of code to be reused throughout the program. They can take parameters and return a value. Functions are declared using the return keyword, followed by the data type of the returned value (or void for no return value). Functions can be called using their name, followed by parentheses containing any required arguments.
Arrays
Arrays in C are a collection of variables of the same data type. They are declared using the [] operator, and their length can be determined using the sizeof operator. Arrays can be accessed using an index, with the first element having an index of 0.
Pointers
Pointers in C are variables that store the memory address of another variable or function. They are declared using the * operator and can be dereferenced using the same operator. Pointers can be used to manipulate memory directly and are a powerful tool for working with complex data structures like arrays, structures, and linked lists.
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Description
Test your understanding of the fundamentals of C programming, including data types, control structures, functions, arrays, and pointers. Evaluate your knowledge of the basics of C programming language and identify areas for improvement.
