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Digital Electronics

Digital Electronics
If 4 input MUXes drive a 4 input multiplexer, it results a

 4 input MUX
 16 input MUX
 6 input MUX
 8 input MUX

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Digital Electronics
What is the radix of octal number system ?

 10
 16
 2
 8

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Digital Electronics
Which of the following gates is known as a coincidence detector?

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

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Digital Electronics
In an SR latch built from NOR gates, which condition is not allowed

 S=0, R=1
 S=1, R=1
 S=0, R=0
 S=1, R=0

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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?

 300 mV.
 90 mV.
 30 mV.
 900 mV.

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Digital Electronics
How many stable state/states present in flip-flop ?

 3
 4
 2
 1

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