Answer:
Explanation:
Gas Filling Station has pumps. Pumps have credit card readers. Driver can able to swipe their cards, pumps have Fuel. Pumps card readers communicate with Credit Company. Driver interacts with pump for fuel and credit card.
In this situation the following we need to treat as objects.
They are Pump, Card reader, Fuel tank, communication system, system controller and price table.
Design pattern for the following system is attached below
Answer:
They share or broadcast information by making a letter or information in a papyrus material. in industrial age they use Telegraph or typewriter to communicate each other.
Answer:
D
Explanation:
The ISO values on a roll of film or ISO setting on a digital camera are these indicators. ... A higher ISO had larger, jagged grains of salt, thus producing “rougher” or ... In digital photography, the same logic applies… the lower the ISO rating, the higher the ISO rating (more sensitive) the stronger the image sensor has to ...
