1. (a) Write a program to summarise the Result of XII of a class to obtain following inforamation:
(i) Percentage of girls who secured more than 80% marks
(ii) Percentage of boys who secured less than 50% marks. Make suitable assumptions.
(b) Write a program to search the address and phone no. of student who has not submitted the fees till last date of submission.
Make suitable assumptions.
(c) Explain sequential file organisation with the help of an example. What are its disadvantages ?
2. Write a program which can SORT the student’ list depending upon the salary package offered to them in descending order while a placemen activity takes place in campus. Make necessary assumptions
3. (a) Explain the working of PICTURE clause What is the meaning of following code characters A, * , +, B, 0.
(b) Explain DATA division with the help of an example.
4. Explain the usage of following
(i) REDEFINES clause
(ii) ACCESS MODE Clause
5. (a) Differentiate between REWRITE and DELETE statement
(b) Explain the usage of ALTERNATE RECORD KEY clause.