a computer is an electronic
device for storing and processing
data, typically in binary form,
according to instructions given
to it in a variable program.
a computer doesn't just
need to be a screen
with keys , it can be a
phone , printer and
many more .
what are the different parts of one ?
hardware
what is it ?
the machines, wiring, and other
physical components of a
computer or other electronic
system.
software
what is it ?
the programs and other
operating information
used by a computer.
input
what is it ?
a place where, or a device
through which, energy or
information enters a system.
process
what is it ?
an instance of a program being
executed in a multitasking operating
system, typically running in an
environment that protects it from
other processes.
output
what is it ?
a place where power or
information leaves a
system.
storage device
what is it ?
a piece of computer equipment on
which information can be stored.
peripheral
what is it ?
able to be attached to and
used with a computer, though
not an integral part of it.
other things include :
sensor
motion sensor
a motion sensor (or motion detector) is the
linchpin of your security system, because it's
the main device that detects when someone
is in your home when they shouldn't be. A
motion sensor uses one or multiple
technologies to detect movement in an area.
other sensors include :
Proximity Sensor. Accelerometer. IR Sensor (Infrared Sensor)
Pressure Sensor. Light Sensor. Ultrasonic Sensor. Smoke, Gas
and Alcohol Sensor.