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SSD stands for system sequence diagrams. SSd diagrams <span>model the interactions between objects in a single use case and illustrate how the different parts of a </span>system<span> interact with each other </span>
On an SSD, a dashed arrow usually represents an object. SSD <span>depicts the </span>objects<span> and classes involved in the scenario and the </span>sequence<span> of messages exchanged between the </span><span>objects.</span>
Answer:
The Register stores data temporarily for the Arithmetic and Logic Unit ALU and give to output device.
people use more electricity in the nigth time because people use their ligths at nigth as well as street ligths and other nigth time ligths