Question

20) What is the illegal right to the originator for a fixed number of years to reproduce,
publish or sell his/her work?

(a) Trademark (b) Copyright (c) Software Patent (d) All of these​

Answer 1

Answer:

Number of Elements in Power Set –

As each element has two possibilities (present or absent}, possible subsets are 2×2×2.. n times = 2^n. Therefore, power set contains 2^n elements.