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Digital Electronics

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

 four
 two
 three
 one

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Digital Electronics
A latch is ________ sensitive

 level
 None
 edge
 both level and edge

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Digital Electronics
For 4 bit parallel addition, we need ________ half adder(s) and ________ full adder(s)

 1 and 3
 0 and 4
 1 and 4
 0 and 3

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Digital Electronics
A boolean function can be transformed into logical ________.

 matrix
 diagram
 map
 graph

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Digital Electronics
The decimal equivalent of hexadecimal number of 2A0F is

 17607
 17067
 17670
 10767

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

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

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