Define variable.

What is the use of LEGB rule?

What are the types of variable scope

Write the output of the following program
Entire Program
 Disp():
 a:=7
 print a
Disp ()

Write the output of the following program
a:=10
 Disp():
 a:=7
 print a
Disp 1():
print a

Write the output of the following program
 Disp()
  a:=10
 Disp 1():
         print a
 Disp 1():
 print a
Disp()
 

What is modular programming?

What is meant by module?

What is the advantage of single definition of a variable's scope?

How will you assign a variable with object?

Which sign is used to map the variable and object?

Who keeps track mappings?

How the mappings are done?

Define life time?

What is the life time of the variable?