IMP of LDP.....:)

Long 
Q1:- write basic structure of c program
Q2:- Explain C tokens with eg.?
Q3:- Explain constants with eg. ?
Q4:- What is variable ? Give rules for variable declaration ?
Q5:- Explain primary data type ?
Q6:- Explain enum with eg.?
Q7:- what is operator ? explain all the operator with the eg.?
Q8:- give all the symbols of flowchart
Q9:- draw a flowchart and algo. to check given no is +ve or -ve
Q10:- draw a flowchart and algo. to grade for given per.?
Q11:- write algo and flowchart to print 1,2,3....10 no?
Q12:- draw a flowchart and algo for print first five odd no and even no?
Q13:- write a program to check the given no is +ve or -ve?
Q14:- write a program to check give no is odd or even

short

Q1:- define following
     1 keyword
     2 constants
     3 trigraph character
     4 variable

Q2:- list out all the tokens
Q3:- refer assignment 1,2 nd 3.