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Digital Electronics

Digital Electronics
The main equation for a D flip flop is

 Q=D
 Q=1
 Q=D'
 Q=0

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Digital Electronics
X = 01110 and Y = 11001 are two 5-bit binary numbers represented in 2’s complement format. The sum of X and Y in 2’s complement format using 6 bits is

 101001
 100111
 0001111
 001000

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Digital Electronics
A system has following negative numbers stored in binary form as shown. The wrongly stored number is

 -89 as 10100111
 -32 as 11100000
 -48 as 11101000
 -37 as 11011011

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Digital Electronics
AND operation of (79)10 & (-56)10 is

 50H
 08H
 42H
 48H

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Digital Electronics
A 16-square eliminates

 8 variables
 2 variables
 3 variables
 4 variables

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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.
 300 mV.
 30 mV.
 90 mV.

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