WAP to calculate sum and product of two numbers where numbers are 20 and 30.​

How many nibbles can be stored in a 16-bit word?

Apython programming question: assume s is a string of lower case characters. write a program that prints the number of times the string 'bob' occurs in s. for example, if s = 'azcbobobegghakl', then your program should print number of times bob occurs is: 2

What are the 12 colors of the spectrum called?