computer hardware components multiple components connected by cables a monitor a keyboard a mouse a CPU a power supply a hard drive a motherboard a graphics card a network card a cooling fan
system which has computer hardware components system which has multiple components connected by cables system which is a monitor system which is a keyboard system which is a mouse system which is a CPU system which is a power supply system which is a hard drive system which is a motherboard system which is a graphics card system which is a network card system which is a cooling fan