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Digital Electronics

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

 NAND
 X-NOR
 AND
 OR

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Digital Electronics
1s Complement of 11001010 is

 00110111
 11001011
 00110101
 11001001

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Digital Electronics
The X-OR and X-NOR gates can have how many inputs?

 4
 1
 any number
 2

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Digital Electronics
2-out-of-5 code is

 self-complementing code
 alphanumeric code
 weighted code
 non-weighted code

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Digital Electronics
What is the radix of octal number system ?

 16
 8
 10
 2

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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.
 30 mV.
 300 mV.
 900 mV.

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