Question

4. a) Distinguish between “Application Software” and “SystemSoftware” giving appropriate examples.

b) You have to find out the circumference and area of a circle by
reading its radius value. Write a BASIC program which can do it.

c) With examples, explain the uses of constants and variables of different types in BASIC.
​

Answer 1

Answer:

Photoshop was developed in 1987 by two brothers Thomas and John knoll who sold the distribution license to Adobe systems incorporated in 1988. Thomas knoll, a PH.D student at the University of Michigan, began writing a program on his Machintos plus to display gray-scale images on a monochrome display.