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Questions and Answers
What is the purpose of the & operator in pointer initialization?
What is the purpose of the & operator in pointer initialization?
- To allocate memory for a variable
- To assign the address of a variable to a pointer (correct)
- To declare a pointer
- To change the value of a variable
How do you assign the address of an array to a pointer in C?
How do you assign the address of an array to a pointer in C?
- Using the `*` operator
- Using the `&` operator
- Simply assigning the array name to the pointer (correct)
- Using the `malloc` function
What is the syntax to declare a pointer in C?
What is the syntax to declare a pointer in C?
- pointername type;
- type *pointername; (correct)
- type pointername[];
- type pointername;
What is the purpose of the * operator in pointer usage?
What is the purpose of the * operator in pointer usage?
What is the primary difference between using a pointer and an array in C?
What is the primary difference between using a pointer and an array in C?
What is the primary purpose of declaring a pointer in C?
What is the primary purpose of declaring a pointer in C?
What happens when you assign an array to a pointer in C?
What happens when you assign an array to a pointer in C?
What is the role of the * operator in pointer usage?
What is the role of the * operator in pointer usage?
What is a key difference between using pointers and arrays in C?
What is a key difference between using pointers and arrays in C?
What is the purpose of using the & operator in pointer initialization?
What is the purpose of using the & operator in pointer initialization?
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Study Notes
Scope of C Programming
- Covers arrays, pointers, and memory allocation in C programming
Basics of Pointers
- Declaration:
type *pointername;declares a pointer - Initialization:
pointername = &variablename;using&operator - Changing/reading value at address:
*pointername = value;
Pointers with Arrays
- Assigning array address to pointer:
pointername = arrayname; - Using pointers:
pointernamecan be used like an array name
Scope of C Programming
- Covers arrays, pointers, and memory allocation in C programming
Basics of Pointers
- Declaration:
type *pointername;declares a pointer - Initialization:
pointername = &variablename;using&operator - Changing/reading value at address:
*pointername = value;
Pointers with Arrays
- Assigning array address to pointer:
pointername = arrayname; - Using pointers:
pointernamecan be used like an array name
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