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Digital Electronics

Digital Electronics
The decimal equivalent of hexadecimal number “BEED” is

 47,877
 48,777
 none
 48,877

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Digital Electronics
What is the minimum number of 2 input NAND gates used to perform the function of 2 input OR gate

 1
 4
 3
 2

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Digital Electronics
In SSI, the number of gate circuits per chip is

 < 20
 < 25
 < 12
 < 6

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

 16
 4
 12
 8

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Digital Electronics
The time required for a gate to change its output is called as

 propagation time
 Decay time
 start time
 run time

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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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