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Digital Electronics

Digital Electronics
The main criterion in the design of a digital circuit is reduction of

 size
 weight
 volume
 cost

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Digital Electronics
The 2s complement of 17 is

 111110.
 110001.
  101111.
 101110.

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Digital Electronics
A flip flop is a _______ circuit.

 Both A and B
 Combinational
 Sequential
 None

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Digital Electronics
The devices commonly used for making digital circuits are

 contact switches
 semiconductor devices
 relays
 mechanical switches

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Digital Electronics
An n variable K-map can have

 n2n cells
 n2 cells
 2n cells
  nn cells

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Digital Electronics
The AND-OR realization of a combinational circuit requires three 3-input AND gates and one 3-input OR gate. This circuit can be designed using

None of these
 three 3-input NAND gates and one 3-input NOR gate
 four input NAND gates only
 three 3-input OR gates and one 3-input AND gate

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