Question

You do not need to garbage-collect the memory if it comes from (Select all that apply)

a) Stack memory
b) Global memory
c) Heap memory
d) Static memory

Answer 1

Garbage collection is only needed for heap memory. Stack, global, and static memory are managed automatically and do not require manual deallocation or garbage collection.

Step-by-step explanation:

Garbage collection is a form of automatic memory management that is typically associated with heap memory. However, not all types of memory require manual deallocation or garbage collection. So, let's consider the options given:

• Stack memory: This is used for local variable allocation and deallocation. As functions call and return, the stack grows and shrinks accordingly. Memory in the stack is deallocated automatically when a function returns.
• Global memory (more commonly referred to as global variables): Global or static variables are allocated and deallocated by the system when your program starts and ends, respectively.
• Heap memory: This is dynamically allocated during program runtime and requires manual deallocation or a garbage collector to avoid memory leaks.
• Static memory (similar to global memory): Static storage duration means the allocated memory is available for the entire run time of the program and, like global memory, is automatically managed.

Hence, garbage collection or manual memory management is generally not necessary for:

• Stack memory
• Global memory
• Static memory