$($C$++)$

$9.$Memory Management

$9\mathrm{.}1-$ What is a static variable? What is the difference between a static local variable and a global variable? Do we need to collect the memory allocated to static variables?

$9\mathrm{.}2-$ What is the programming language's stack? What variables obtain memory from the stack? What mechanism is used to collect the memory allocated from the stack?

$9\mathrm{.}3-$ What is the programming language's heap? What variables obtain memory from the heap? What mechanism is used to collect the memory allocated from the heap?

$9\mathrm{.}4-$ Compare and contrast variables from static memory, stack, and heap. What would happen if we declared a local variable as static local? What would happen if we declared a static local variable as a simple local variable? What would happen if we declared a static local as a global?