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MICROPROCESSORS

UNIT 8

are integrated circuits whit a memory

can store lists of coded instruction

can do a variety of different jobs

memory

control circuits

Logic circuit

Arithmetic Logic Unit

ROM

RAM

compare two bits to generate an output

to resolve complex problems

consist of :

Are made by 2 step

design stage

fabbrication stage

blue print

logic design

photomask

simulation (CAD software)

silicon purification

sliced into a thin wafers

photolithography

separate rectangular chips

assembly