7 Boolean Algebra

Question 1

What does a half adder look like?

Answer 1

Two inputs:
An xor gate for the sum
An and gate for the carry

Question 2

What is a D type flip flop comprised of

Answer 2

Data input
Clock input
Set input
Reset input
Q output
Not Q output

Question 3

What is the purpose of the clock in a D type flip flop.

Answer 3

Synchronises the device
Data is only written when the clock is high
Set and reset override the clock however