Gate is the logic of Computer, means mind process of Computer by which we can use programming, Create circuit etc
Or Gate – if any one option is positive than answer is positive.
A(Bike) | B(Car) | R(Travel)=A+B |
1 | 0 | 1 |
0 | 1 | 1 |
1 | 1 | 1 |
0 | 0 | 0 |
NAND Construction | NOR construction |
And Gate- if any one option is negative than answer is negative
A(Bike) | B(Petrol) | R(Travel)=A.B |
1 | 0 | 0 |
0 | 1 | 0 |
1 | 1 | 1 |
0 | 0 | 0 |
Desired Gate | NAND Construction | NOR construction |
Not Gate – Just opposite of option value.
A | R=A’ or Ā |
1 | 0 |
0 | 1 |
NMOS Inverter PMOS Inverter Static CMOS Inverter Schematic of a Saturated-Load
Digital Inverter
Note -And, or & not is the raw material of program.
Nor Gate-
Nor = or gate + not gate
A(Staff A) | B(Staff B) | C=A+B | R=C’(Boss Office Door ”Sutter” Open or Not) |
1 | 0 | 1 | 0 |
0 | 1 | 1 | 0 |
1 | 1 | 1 | 0 |
0 | 0 | 0 | 1 |
NandGate-
Nand = and gate + not gate
A(Mob sir) | B(DCA Sir) | C=A.B | R=C’ (Director* Teach or not Teach) |
1 | 0 | 0 | 1 |
0 | 1 | 0 | 1 |
1 | 1 | 1 | 0 |
0 | 0 | 0 | 1 |
*Director know mob & DCA course Also
Note – Nor & Nand is the raw material of Circuit, means Universal Gate.
Xor Gate
A(Red Color sun) | B(Yellow Color Sun) | C=A’B+B’A or Red or Yellow |
1 | 0 | 1 |
0 | 1 | 1 |
1 | 1 | 0 |
0 | 0 | 0 |
Bubble Nor Gate
A | B | A’ | B’ | C=A’+B’ | R=C’ |
1 | 0 | 0 | 1 | 1 | 0 |
0 | 1 | 1 | 0 | 1 | 0 |
1 | 1 | 0 | 0 | 0 | 1 |
0 | 0 | 1 | 1 | 1 | 0 |
Bubble Nand Gate
A | B | A’ | B’ | C=A’.B’ | R=C’ |
1 | 0 | 0 | 1 | 0 | 1 |
0 | 1 | 1 | 0 | 0 | 1 |
1 | 1 | 0 | 0 | 0 | 1 |
0 | 0 | 1 | 1 | 1 | 0 |
Bubble Xor Gate
A | B | A’ | B’ | C=A’’B’+B’’A’ |
1 | 0 | 0 | 1 | 1 |
0 | 1 | 1 | 0 | 1 |
1 | 1 | 0 | 0 | 0 |
0 | 0 | 1 | 1 | 0 |
XNor Gate
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or 
XNOR gate constructed using only NOR,Nand gates
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