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Digital Electronics

Digital Electronics
What is the gray code for the binary 101011?

 101011
 011111
 111110
 110101

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Digital Electronics
The number of rows in the truth table of a 4-input gate is

 16
 8
 4
 12

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Digital Electronics
A byte is equal to ________ bits.

 16
 32
 4
 8

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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.
 30 mV.
 90 mV.
 300 mV.

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Digital Electronics
The number of digit 1 present in the binary representation of (3 × 512 + 7 × 64 + 5 × 8 + 3) is

 8
 9
 7
 6

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Digital Electronics
What is the radix of octal number system ?

 10
 16
 8
 2

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