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Q#1
Combinational Circuits
GATE EC 2002
MSQ
+2 marks
-0 marks
The inputs to a digital circuit shown in Figure are the external signals A, B and C.
( and are not available. The +5V power supply (logic 1) and the ground (logic 0) are also available. The output of the circuit is .
(a) Write down the output function in its canonical SOP and POS forms.
(b) Implement the circuit using only two 2:1 multiplexers shown in Figures, where S is the data-select line, and are the input data lines and Y is the output lines. The function table for the multiplexer is given in table.
Canonical SOP form
Canonical POS form
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| Topic | Questions | Attempted | Correct | |
|---|---|---|---|---|
| Network Analysis | 273 | 0 | 0 | |
| Electronic Devices | 69 | 0 | 0 | |
| Analog Electronics | 395 | 0 | 0 | |
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| Signals and Systems | 22 | 0 | 0 | |
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| Communication System | 200 | 0 | 0 | |
| EMFT - ECE | 14 | 0 | 0 | |
| Engineering Mathematics | 24 | 0 | 0 | |
| General Aptitude | 30 | 0 | 0 |