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Digital Electronics

Digital Electronics
An any or all gate is the other name of

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

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Digital Electronics
NAND. gates are preferred over others because these

can be used to make any gate
have lower fabrication area
consume least electronic power
provide maximum density in a chip.

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Digital Electronics
What logic function is produced by adding inverters to the inputs of an OR gate?

 NAND
 AND
 X-NOR
 NOR

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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.
 90 mV.
 300 mV.
 900 mV.

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Digital Electronics
How many NOR gates are required to obtain AND operation?

 2
 3
 1
 4

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Digital Electronics
Which of the following is 1’s complement representation of +57

 00111001
 01000110
 11000110
 00000001

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