Editing User:Ashmita shrestha Real Teaching lesson plan 4

Subject: computer Science

Number of Student: 65

chapter: 2

Topic: Computer hardware

Time: 45 minutes 

== Specific Objectives: ==
On completion of this chapter,the students will be competent to:

* Introduce Computer hardware
* define input,processing and output hardware.
* Recognize input,processing and output hardware
* explain the functions of ALU,CU and MU.

== Teaching Materials: ==

* Whiteboard and marker
* Duster

== Introduction: ==

* Computer is a system ,where the CPU and other peripheral devices are connected to eachother.
* Computer hardware is the collection of physical elements that constitutes a computer system.


'''Input hardware:'''

* A piece of equipment/hardware which helps us enter data into a computer is called an input device.
* For example keyboard, mouse, etc.

'''keyboard:'''
[[File:Videoton TV Computer (1984) keyboard layout.png|thumb|354x354px]]
A computer keyboard is an input device used to enter characters and

functions into the computer system by pressing buttons, or keys.


'''Mouse:'''

The mouse is a small, movable device that 
[[File:Computer mouse 2.jpg|alt=mouse|thumb|149x149px|mouse]]
lets you control a range of things on a computer. 


'''processing hardware:'''

The physical component of the computer that processes data and produces result is called processing hardware.

# ALU(Arthomatic Logical Unit)
# CU (Control Unit)
# MU (Memory Unit)