Answer:
3
Explanation:
MOD means the remainder after a division calculation.

The remainder is 3
Answer:
a. PCI express
Explanation:
<em>PCI express</em> (Peripheral Component Interconnect Express) is a high speed serial bus and commonly used motherboard interface for Graphics card, wifi, SSDs and HDs hardware connections. Simple PCI can also be used but PCI express has more error detection accuracy lesser number of I/O pins and better throughput as compared to simple PCI.
The answer is perspective, because you need a point of view (perspective) in order to make a design, a great design/