Ch3: Pointers and Memory

Question 1

What are the 4 main segments in the C memory model

Answer 1

• code
• data
• heap
• stack

Question 2

What does the code segment store

Answer 2

• program instructions
• addresses of functions
• sometimes string literals

Question 3

What does the data segment store

Answer 3

• global variables
• static variables and constants
• fixed strings (literals)

Question 4

What does the stack segment store

Answer 4

• manages order of function calls (parameters, return addresses)
• local variables

Question 5

What does the heap segment store

Answer 5

• manages dynamically-allocated memory