Lecture 5.5 - Recap Of First 5

Question 1

What do data types do?

Answer 1

These give bits in memory a meaning. Otherwise they’re simply 0s and 1s.

Question 2

What do structs allow?

Answer 2

Allow us to implement custom data structures

Examples : trees, linked lists

Question 3

Where are variables stored?

Answer 3

In a fixed memory location. Whether in the heap or a stack depends on how they were allocated.

Question 4

What is a pointer?

Answer 4

Pointer is a special variable that holds the address of certain data.

Question 5

In C/C++ how is the stack managed?

Answer 5

The stack is managed automatically in those languages, so automatic variables do not have to be freed

Question 6

What is ownership?

Answer 6

A concept which allows easier management by tying lifetime of a resource to a stack variable