Answer:
Simple, really
Explanation:
3Rd one is pretty easy, all you have to do is read closely.
Answer:
Please see the attached image
Explanation:
<span>Processor, Main Memory, I/O Modules, System Bus</span>
Answer:
piping and instrumentation drawings (P&IDs)
Explanation:
schematic drawings showing all the equipment, pipelines, valves, instruments, and controls needed to operate a piping system