💻 Coding Interview Questions

1️⃣ What is a pointer?
Answer: A variable that stores the memory address of another variable.

2️⃣ What is memory allocation?
Answer: The process of reserving memory for program execution.

3️⃣ Stack vs Heap memory?
Answer: Stack is fast and automatic; heap is dynamic and manually managed.

4️⃣ What is garbage collection?
Answer: Automatic memory cleanup of unused objects.

5️⃣ What is a deadlock?
Answer: When processes wait forever for resources held by each other.

6️⃣ What is multithreading?
Answer: Running multiple threads concurrently within a process.

7️⃣ What is synchronization?
Answer: Controlling access to shared resources in concurrent programs.

8️⃣ What is a race condition?
Answer: When multiple threads access shared data unsafely.

9️⃣ What is a process?
Answer: An independent program in execution.

🔟 What is a thread?
Answer: The smallest unit of execution within a process.