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Digital Electronics

Digital Electronics
A gate is inhibited when its inhibit input is at logic 1. The gate is

 none of these
 OR
 NAND
 AND

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Digital Electronics
A half adder has

 2 inputs and 2 output
 1 input and 2 outputs
 2 inputs and 1 outputs
 1 input and 1 output

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Digital Electronics
What are the values of R1 and R2 respectively in the expression (235)R1 = (565)10 = (1065)R2

 16, 8
 6, 16
 12, 8
 8, 16

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Digital Electronics
Dual slope ADC has R = 1 KΩ and C = 0.22 nanofarad has charging and discharge times for some voltage is 9 ns and 3 ns respectively. The reference Voltage is 2.2 V. What is the peak voltage reached by triangular wave during charging?

 90 mV.
 300 mV.
 30 mV.
 900 mV.

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Digital Electronics
A D-flip-flop is said to be transparent when

 the output follows clock
 the output is HIGH
 the output follow input
 the output is LOW

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Digital Electronics
The most suitable gate for comparing two bits is

 OR
 NAND
 X-OR
 AND

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