Introduction
MD. DELOWER HOSSAINAsst. Teacher
Kazi Shahabuddin Girls’ High School & CollegeTetulia ,Panchagarh.
Class : Nine
Sub : Computer
Time : 40 min
Date : 29-02-2013
.
Definition‡MU n‡”Q GK ai‡Yi B‡j±ªwbK eZ©bx hv GK ev GKvwaK BbcyU MÖnY K‡i Ges GKwU gvÎ AvDUcyU cÖ`vb K‡i| g~jZ †h mKj wWwRUvj mvwK©U hyw³ wfwËK ms‡K‡Zi cÖevn wbqš¿Y K‡i ‡mB mKj mvwK©U‡KB jwRK †MU e‡j|
Classification
AND GATE
OR GATE
NOT GATE
AND GATEAND GATE
Symbol
A
B
AB=X
Circuit
A BTruth Table
A B AB=X0 0 0
Truth Table
A B AB=X1 0 0
A B
Truth Table
A B AB=X0 1 0
A B
Truth Table
A B AB=X1 1 1
A B
AND GATE
A BTruth Table
A B AB=X0 0 0
1 0 00 1 01 1 1
OR GATE
Symbol
A
B
A+B=X
CircuitTruth Table
A B A+B=X
0 0 0
A
B
Truth Table
A B A+B=X
1 0 1
A
B
Truth Table
A B A+B=X
0 1 1
A
B
Truth Table
A B A+B=X
1 1 1
A
B
Truth Table
A B A+B=X
0 0 0
1 0 10 1 11 1 1
A
B
AND GATE
NOT GATE
Symbol
AA=X
Truth Table
A X0 1
1 0A
Circuit
Thanks