Explanation:green-functionlittle red and yellow-example
carrying out calculations
control of computer parts
data storage
CPU
memory
RAM
ROM
expansion cards
video card
sound card
network card
explanation:
data input
data display
data and program storage
input devices
keyboard
mouse
microphone
webcam
output devices
monitor
printer
loudspeaker
headset
plotter
storage devices
winchester
floppy
CD-ROM
DVD-ROM
pendrive
memory cards