The main purpose of a storage device to
no one's surprise is to store data and
There are two ways of storing this, one is internally, which are
memory devices located inside the system. Examples of this are
hard drives and hard disks. The other type of storage is external
storage. This includes online storage as well as portable storage
devices such as USBs.
Different types of sensor
Switch or Button
What is a sensor?
A sensor allows the computer to register what's
going on around it. These sensors can convert real
world properties in to data that can e processed
Different Input Devices
Optical Mark Reader
Optical Character Recognition (OCR)
Magnetic Strip Reader
What is an Input Device
An input device allows the user to communicate to the
computer by inputting data into it and allowing it to be
processed. Almost all input devices are peripherals.
Different Output Devices
What is an Output Device?
An output device is a pieces of hardware that is
used to display or output data which has been
processed or has been stored on the computer.