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Slide Show A Short Note For Lecturer A Short Note For Lecturer Institute: Khanjahan Ali College, Bagerhat Subject: Computer Education (Theoretical) Class: Higher Secondary, 1st Year Chapter: 4, Part 2, Digital Logic Font: Sutonny MJ, Arial, Times New Roman Slides : 5/14 Navigation: (→↓ Next), (  ← Previous), (Esc Close) Institute: Khanjahan Ali College, Bagerhat Subject: Computer Education (Theoretical) Class: Higher Secondary, 1st Year Chapter: 4, Part 2, Digital Logic Font: Sutonny MJ, Arial, Times New Roman Slides : 5/14 Navigation: (→↓ Next), (  ← Previous), (Esc Close) Presented By Md. Mostafizur Rahman Lecturer, Computer Education Contact No: , Presented By Md. Mostafizur Rahman Lecturer, Computer Education Contact No: ,

1. OR Gate A B A+B 2. AND Gate A B AB 3. NOT Gate Ā A

OR Gate A B A+B BA OutputInput A B Battery Lamp A+B Step 1 0+0=0 OR Gate A B A+B BA OutputInput A B Battery Lamp A+B Step 2 0+1=1 OR Gate A B A+B BA OutputInput A B Battery Lamp A+B Step 3 1+0=1 OR Gate A B A+B BA OutputInput A B Battery Lamp A+B Step 4 1+1=11+1=1 Symbol Truth Table Electric Circuit Compare between gate and electric circuit

Step 2 A B Battery Lamp AB AND Gate A B AB  1=0 InputOutput ABAB Step 3 A B Battery Lamp AB AND Gate A B AB  0=0 InputOutput ABAB Step 4 A B Battery Lamp AB AND Gate A B AB 1=111=1 InputOutput ABAB Step 1 A B Battery Lamp AB AND Gate A B AB  0=0 InputOutput ABAB Symbol Truth Table Electric Circuit Compare between gate and electric circuit

NOT Gate Ā A Battery Lamp A Ā Step 1 0101 InputOutput AĀ Step 2 NOT Gate Ā A Battery Lamp A Ā 1010 InputOutput AĀ Compare between gate and electric circuit Symbol Truth Table Electric Circuit