Flashcards : Memory Mastery in C Programming — 10 cartes

Toutes les cartes

1Question

Pointer — definition?

Réponse

Variable storing a memory address.

2Question

Pointer — definition?

Réponse

Variable storing another variable's memory address.

3Question

Pointer declaration — syntax?

Réponse

Data type followed by * (e.g., int *p;).

4Question

Address-of Operator (&) — purpose?

Réponse

Returns variable’s memory address.

5Question

Pointer and arrays — relationship?

Réponse

Array name evaluates to address of first element.

6Question

Dereference Operator (*) — function?

Réponse

Accesses/modifies value at pointer’s address.

7Question

Null Pointer — indicates?

Réponse

Pointer does not point to valid memory.

8Question

Pointer to Pointer — declared as?

Réponse

`type**` for multi-level indirection.

9Question

Array and Pointer — relationship?

Réponse

Array name is array’s first element address.

10Question

Pointers in memory management?

Réponse

Enable dynamic allocation and complex data structures.

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1. What is a pointer in programming?

2. What is the primary purpose of a pointer in C programming?

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