Microprocessor Basics Flashcards
what does cpu stand for
computer processing units
what does a cpu do
performs operations on data
what are the three things that make up a cpu
memory, processing unit, peripherals
what are the two things that can be stored in memory
data and instructions
examples of data that are stored in memory
text, images, videos, sensor readings
examples of instructions that can be held in memory
addition, multiplication, subtraction, division.
examples of peripherals
mouse, keyboard`
when does the cycle start
when the computer is turned on
when does the cycle end
when the computer is turned off
what does pc stand for (where addresses are stored)
program counter
What is the cycle that starts when the computer turns on called
fetch-decode-execute cycle
where does the computer fetch the instructions from
the PC addresses
what does the decode part of the cycle mean
it decodes the instructions
what does the execute part mean
the computer performs the required operation
after fetching an instruction, how does the value of the program counter change
it moves to the next address
