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CISCO technical placement papers 2011


1. Add the following BCD numbers— 1011 and 0110

2. How much time does a serial link of 128 Kbps take to transmit a picture with 640 pixels.

3. Give the output when the input of a D-flip flop is tied to the output through the NOR gate.

4. Simplify the expression XY + X( Y + Z ) + Z ( Y + Z )

5. Determine the logic gate to implement the foolowing terms XYZ, X+Y+Z 

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