ISRO Scientist or Engineer Computer Science 2016
Instructions
For the following questions answer them individually
Question 2
What is the sum to infinity of the series,
$$3+6x^{2}+9x^{4}+12x^{6}+$$........given $$\mid x$$ < 1 ?
Question 4
If (G, -) is a group such that $$(ab)^{-1} =a_{-1} b^{-1}$$, $$\forall a,b \in G$$ then G is $$\frac{a}{an}$$
Question 7
The mimmum number of NAND gates required to implement the Boolean function $$A+A \bar B+A \bar B C $$ is equal to
Question 9
For a binary half-subtractor having two inputs A and B, the correct set of logical expression for the outputs D (= A minus B) and X = borrow) are
