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SYSTEM DIAGRAMS (Definition (input→process→output, shows how input of…
SYSTEM DIAGRAMS
Definition
input→process→output
shows how input of energy turns to movement of mechanisms
divides systems into different stages
makes machines work
different stages of process
Stages of System Diagrams
PROCESS
to operate system
OUTPUT
result of system
INPUT
to start system
OFFICE PUNCH
PROCESS
operated by two sharp pins; push down when pressure is applied
cuts holes
OUTPUT
pins create holes; when paper is removed two, clean holes remain
INPUT
operated by hand
page inserting into punch mechanism