problem 1)(a) What is the need for using computers?

(b) Describe the functionality of Central Processing Unit with a neat diagram.

problem 2)(a) Define:

(i) Software.

(ii) Algorithm.

(b) Draw the flow chart for the following computation.

P = 1 × 3 × 5 × 7.... 99

problem 3)(b) Describe the usage of plotters.

problem 4)(a) How CRT terminal can be used as display device?

(b) describe the storage concept of data in Hard disk.

problem 5)(a) State the character set in FORTRAN 77.

(b) How Input and Output statements are used in FORTRAN?

problem 6)(a) With an ex, demonstrate how arithmetic expressions are evaluated in FORTRAN.

(b) Describe the usage of STOP and END statements in FORTRAN.

problem 7)(a) Describe the execution of DO statements.

(b) Describe on any four string operations.

problem 8)(a) What is a subroutine? How it is used?

(b) prepare a program in FORTRAN to compute the simple interest (I) When Amount (A), Rate of Interest (R) and Number of years (N) are given as input.

Formula: I =ANR/100