Consider what would happen if we were to replace the AND gate in the circuit with an OR gate, a NOR gate, and a NAND gate. Identify the single gates that would produce the same outputs as each of these gates when you invert the inputs.

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

The place where the extended axis of the earth would touch the celestial sphere is called the celestial

What is the difference between the internet and the world wide web?