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Digital Electronics

Digital Electronics
The binary number 10101 is equivalent to decimal number ___________.

27
12
21
19

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Digital Electronics
An AND gate will function as OR if

Either of the inputs is “1”
All the inputs are ‘0’
All the inputs and outputs are complemente'
All the inputs to the gates are “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?

 30 mV.
 900 mV.
 90 mV.
 300 mV.

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Digital Electronics
The minimum decimal equivalent of the number 11C is

 269
 194
 268
 183

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Digital Electronics
The binary number designations of the rows and columns of the K-map are in

 binary code
 Gray code
 BCD code
 XS-3 code

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Digital Electronics
What logic function is produced by adding an inverter to each input and output of an AND gate?

 NAND
 NOR
 X-OR
 OR

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