Page 9 - 2627_Trackapd_pro_Class_3
P. 9
OUTPUT
The result received after processing is called output. The devices which are used to
display the results are called output devices.
Input Device Processing Device Output Device
PARTS OF A COMPUTER
The computer system is made up of two parts—Hardware and
Software. Let’s learn about hardware and software in detail.
HARDWARE
The term ‘hardware’ refers to the parts of a computer that we can see and touch.
In other words, hardware are the tangible parts of a computer system.
The Hardware devices are classified into four categories:
HARDWARE
Input Devices Processing Device Output Devices Storage Devices
INPUT DEVICES
The hardware devices that are used to give inputs in the form of words, pictures,
sounds, etc., to a computer are called input devices. Some of the most commonly
used input devices are:
Keyboard: A keyboard is an input device used to
give input to the computer by typing numbers,
letters and special characters. Keyboard
The invention of Qwerty keyboard
Hardware and Software 7

