<p> </p><p>FIG 1.0 &nbsp; &nbsp;and gate diagram<br>Fig 1.1 &nbsp; &nbsp;capacitor diagram<br>Fig 1.2 &nbsp; &nbsp;seven segment diagram<br>Fig 3.01 &nbsp; &nbsp;block schematic diagram of an electronic dice display<br>Fig 3.02 &nbsp; &nbsp;block schematic diagram of an audio unit<br>Fig 3.03 &nbsp; &nbsp;555 timer schematic circuit diagram<br>Fig 3.04 &nbsp; &nbsp;555 timer block diagram<br>Fig 3.05 &nbsp; &nbsp;555 timer configuration<br>Fig 3.06 &nbsp; &nbsp;pin-out connection of a 555 timer<br>Fig 3.07a &nbsp; &nbsp;555 timers in astable mode<br>Fig 3.07b &nbsp; &nbsp;timing diagram<br>Fig 3.08 &nbsp; &nbsp;Jk flip flop symbol<br>Fig 3.09 &nbsp; &nbsp;delay flip-flop from Jk flip-flop<br>Fig 3.10a &nbsp; &nbsp;delay flip-flop from JK flip-flop<br>Fig 3.10b &nbsp; &nbsp;D flip-flop timing diagram<br>Fig 3.11 &nbsp; &nbsp;D type flip-flop in TTL<br>Fig 3.12 &nbsp; &nbsp;Quad-and gate symbol<br>Fig 3.13a &nbsp; &nbsp;Circuit block diagram of a digital counter<br>Fig 3.13b &nbsp; &nbsp;Output wave forms<br>Fig 3.14a &nbsp; &nbsp;circuit block diagram of mod 10 counter<br>Fig 3.14b &nbsp; &nbsp;output wave forms<br>Fig 3.15 &nbsp; &nbsp;Mod 6 counter using decade counter<br>Fig 3.16 &nbsp; &nbsp;functional logic diagram of BCD to decimal decoder<br>Fig 3.17 &nbsp; &nbsp;seven segment display layout arrangement<br>Fig 3.18 &nbsp; &nbsp;seven segment display connections<br>Fig 3.19 &nbsp; &nbsp;BCD to seven segment block diagram<br>Fig 3.20 &nbsp; &nbsp;7447 BCD to seven segment decoder driver functional<br>Fig 4.01 &nbsp; &nbsp;top view of 7414<br>Fig 4.02 &nbsp; &nbsp;counter configuration for the 7490A<br>Fig 4.03 &nbsp; &nbsp;top view of 7474<br>Fig 4.04 &nbsp; &nbsp;top view of SN 7447<br>Fig 4.05 &nbsp; &nbsp;top view of common unode display<br>Fig 5.01 &nbsp; &nbsp;output wave of 555 timers Table 3.1 time table for sK flip-flop<br>Table 3.2 delay flip-flop forms flip-flop<br>Table 3.4 and logic gate truth table<br>Table 3.5 table of counter output in various forms.<br>Table 3.7 bid to seven segment decoder truth table<br>Table 4.1a BCD count sequence<br>Table 5.0 procedure chart<br>Table 5.1 system flowchart<br>Table 6.0 program design<br>Table 6.1 program flowchart<br>&nbsp;<br>Title page &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;ii<br>Approval page &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; iii<br>Dedication &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; iv<br>Acknowledgement &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; v<br>Abstract &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; vi<br>Organization of work &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; viii<br>List of figures &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; x<br>List of table &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; xii<br>Table of content &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; xiii</p><p><b>

Chapter ONE

<br>INTRODUCTION &nbsp; &nbsp; &nbsp; </b>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 1<br>1.0 &nbsp; &nbsp;Statement of problem &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;1<br>1.1 &nbsp; &nbsp;purpose of study &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 2<br>1.2 &nbsp; &nbsp;Aims and objectives &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 2<br>1.3 &nbsp; &nbsp;Scope &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 3<br>1.4 &nbsp; &nbsp;Limitations &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 3<br>1.5 &nbsp; &nbsp;Definitions of terms &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 5</p><p><b>

Chapter TWO

</b><br>Literature Review &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 9</p><p><b>

Chapter THREE

</b><br>Description and Analysis of the Existing System &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;15<br>Organization structure &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 16<br>Objectives of the existing system &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 17</p><p><b>

Chapter FOUR

</b><br>Design of the New System &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;18<br>Output specification and design &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 20<br>Input specification and design &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 29<br>File design &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 38<br>Procedure chart &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 39<br>System flow chart &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 41<br>System requirement &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 42</p><p><b>

Chapter FIVE

&nbsp; &nbsp;</b><br>Implementation &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 47<br>Program flowchart &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 49</p><p><b>CHAPTER SIX</b><br>Documentation &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 51</p><p><b>CHAPTER SEVEN<br>Recommendation and Conclusion &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 53 &nbsp; &nbsp; &nbsp; &nbsp;</b><br>7.1 &nbsp; &nbsp;Recommendation &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 53<br>7.2 &nbsp; &nbsp;Conclusion &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 53<br><b>Reference &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 55</b></p> <br><p></p>