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Digital Electronics

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

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

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Digital Electronics
What is mean by FPU

 floating parallel unit
 floating parallel universal
 floating point universal
 floating point unit

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Digital Electronics
NOT gates are to be added to the inputs of which gate to convert it to a NOR gate?

 X-NOR
 NAND
 AND
 OR

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Digital Electronics
X + X.Y = ?

 X
 Y
 0
 1

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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?

 900 mV.
 90 mV.
 30 mV.
 300 mV.

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Digital Electronics
If a Hexadecimal number needs to convert to binary. For each hexadecimal digit, there will be how many bits

 1
 8
 4
 2

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