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Digital Electronics

Digital Electronics
OR operation is equivalant to

 Intersection
 Both B and C
 Division
 Union

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Digital Electronics
Which of the following is 1’s complement representation of -34?

 11011101
 11011110
 10100010
 01011101

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Digital Electronics
The NOR gate can function as a NOT gate if

 inputs are left open
 one input is set to 1
 all inputs are connected together
 one input is set to 0

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Digital Electronics
The only function of NOT gate is to ___________.

None of these
Stop signal
Act as a universal gate
Invert input signal

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Digital Electronics
Which of the following codes is known as the 8421 code?

 ASCII code
 BCD code
 XS-3 code
 Gray code

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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?

 300 mV.
 90 mV.
 30 mV.
 900 mV.

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