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How to Solve Logic Gates Operations with Casio fx991es

OR GATE
(1). Find the output of the OR gate when the inputs are A= 1100  B= 1010
(a). 1110 (b). 0101 (c). 10011
Solution Using Casio fx991es
[ON] [MODE] [4] [LOG] [1] [1] [0] [0] [SHIFT] [3] [2] [1] [0] [1] [0] [=]
Therefore Option A is correct.
 
AND GATE
(2). Find the output of the AND GATE when the inputs are A= 1100  B= 1010
(a). 1000 (b). 1100 (c). 0100
Solution Using Casio fx991es
[ON] [MODE] [4] [LOG] [1] [1] [0] [0] [SHIFT] [3] [1] [1] [0] [1] [0] [=]
Therefore Option A is correct.
 
XOR GATE
(3). Find the output of the XOR GATE when the inputs are A= 1100  B= 1010
(a). 0110 (b). 1100 (c). 0101
Solution Using Casio fx991es
[ON] [1] [1] [0] [0] [SHIFT] [3] [3] [1] [0] [1] [0] [=]
The answer will be in 4 digits
Therefore Option A is correct.
 
XNOR GATE
(4). Find the output of the XNOR GATE when the inputs are A= 1100  B=  1010
(a). 1001 (b). 1010 (c). 0001
Solution Using Casio fx991es
[ON] [1] [1] [0] [0] [SHIFT] [3] [4] [1] [0] [1] [0] [=]
Therefore Option A is correct.
 
NOT GATE OR INVERTER (SINGLE INPUT)
(5). Find the output of the NOT GATE when the inputs are A= 1100  B= 1010
(a). 1100 (b). 0100 (c). 1010
Solution Using Casio fx991es
[ON] [1] [1] [0] [0] [SHIFT] [3] [5] [1] [0] [1] [0] [=]
The answer will be in 4 digits from the inputs.
Therefore Option A is correct.
OR
(6). Find the output of NOT GATE when the input is 0
Solution Using Casio fx991es
[ON] [SHIFT] [3] [5] [0] [=]
Ans = 1
The answer will be in 1 digit from the input.
(NB: other gates are not included but only these ones, this operation can be use to identify the output in a logic gate eg: if the inputs of XOR GATE are 1 and 0 the output will be 1 solution: [ON] [MODE] [4] [LOG] [1] [SHIFT] [3] [0] [=] Therefore the answer is 1 remember the answer will be in 1 digit from the inputs and outputs).

Inputs Truth Table Outputs For Each Gate
A B AND NAND OR NOR EX-OR EX-NOR
0 0 0 1 0 1 0 1
0 1 0 1 1 0 1 0
1 0 0 1 1 0 1 0
1 1 1 0 1 0 0 1

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