THE DESIGN AND CONSTRUCTION OF HOUSE BELL WITH INDICATING LIGHT

THE DESIGN AND CONSTRUCTION OF HOUSE BELL WITH INDICATING LIGHT

An electronic bell is a signaling device typically placed near an entry door to a building. When a visitor presses a button the bell rings inside the building, alerting the occupant to the presence of the visitor. Modern house bells are electric — they are actuated by an electric switch.
In most wired systems, a button on the outside next to the door, located around the height of the doorknob, activates a signaling device (usually a chime, bell, or buzzer) inside the building. Pressing the electronic bell button, a single-pole, single-throw (SPST) pushbutton switch momentarily closes the doorbell circuit. The function of the indicator is to indicate when someone is pressing the button.

Title Page———i

Certification——–ii

Dedication———iii

Acknowledgement——-iv

Abstract ———vi

Table of Content——–vii

 

Chapter One

1.0 Introduction ——-1

1.1 Statement of Problem——4

1.2 Purpose of the Study——5

1.3 Significance of Study——8

1.4 Limitation——–9

1.5 Scope of Study——-11

 

Chapter Two

2.0 Review of Related Literature —-12

2.6 Summary of Literature Review—- 19

 

Chapter Three

3.0 Research Methodology and Procedure—22

3.1 Population ——–22

3.2 Sample and Sampling Technique—-22

3.3 Validation of the Instrument —-23

3.4 Reliability of the Instrument —–23

3.5 Data Analysis——-23

 

Chapter Four

4.0 Presentation and Discussion of Result—24

4.1 Analysis and interpretaion of Data—25

4.2 Discussion of Results——38

 

Chapter Five

5.0. Summary, Conclusion, and Recommendation  –40

5.1 Summary——–40

5.2 Conclusion——–41

5.3 Recommendation——42

References ———45

Appendix 1——–47

Appendix ———50

THE DESIGN AND CONSTRUCTION OF HOUSE BELL WITH INDICATING LIGHT

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