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Digital Electronics

Answer: D

This is distributive law.

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132.

A 6 bit R-2R ladder D/A converter has a reference voltage of 6.5 V. It meets standard linearity then resolution in percent and volts.

Answer: D

No Explanation.

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133.

In a 3 input NAND gate, the number of states in which output is 0 equals

Answer: B

Only one input, i.e., A = 1, B = 1 and C = 1 gives low output.

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134.

Three Mod-16 counters are connected in cascade. The maximum counting range is

Answer: C

16 x 16 x 16 = 4096.

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Answer: B

No explanation.

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Answer: D

All the switches have to be closed so that the circuit can be made. In AND gate all the inputs have to be high for output to be high

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137.

Karnaugh map can not be drawn when the number of variables is more than 4

Answer: B

K map can be drawn for more than 4 variables.

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138.

The number of inputs and outputs in a full adder are

Answer: D

No Explanation.

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Answer: B

It is a memory element used in digital circuits.

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140.

If all the LEDs in a seven segment display are turned on, the number displayed is

Answer: D

No Explanation.

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