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Digital Electronics

Digital Electronics
Each term in the standard POS form is called a

 literal
 minterm
 don’t care
 maxterm

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Digital Electronics
The simplified block diagram of a 10-bit A/D converter of dual slope integrator type is shown in figure. The 10-bit counter at the output is clocked by a 1 Mhz clock. Assuming negligible timing overhead for the control logic, the maximum frequency of the analog signal that can be converted using this A/D converted is approximately .

 500 Hz.
  1 KHz.
 250 Hz.
 2 KHz.

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Digital Electronics
Switching circuits are

 hybrid circuits
 none of these
 digital circuits
 analog circuits

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Digital Electronics
If J = K (J and K are shorted) in a JK flip-flop, what circuit is made

 Shorted JK flip-flop
 T flip-flop
 K flip-flop
 SR flip-flop

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Digital Electronics
The logic expression A + B can be implemented by giving inputs A and B to a two-input

 X-OR gate
 X-NOR gate
 NOR gate
 NAND gate

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Digital Electronics
The time required for a gate to change its output is called as

 start time
 run time
 Decay time
 propagation time

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