Question

1. Explain each of the following concepts in 2 sentences or less
   1. Static scope
   2. Dynamic scope
   3. Static binding
   4. Dynamic binding
   5. Call-by-value
   6. Call-by-reference
   7. Call-by-name

Answer 1

a) Static scope or lexical scope refer to the innermost declaration of a variable in the function.

b) Dynamic scope :- dynamic scope refer to the most recent call of the stack of a variable declaration with in function

c) Static binding:- static binding is happen at compile time for an example overloading

d) Dynamic binding :- dynamic binding is happen at run time of a program for an example of overriding

e) Call by value :- In call by value the value of the actual parameter is passed to formal parameter

f) call by reference:- In call by reference the address of the actual parameter is passed to the formal parameter

g) call by name:- the value of actual parameter is directly placed in the place of formal parameter and get evaluated when it is used not when during function callinng