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Digital Electronics

Digital Electronics
Which number system has a base of 16

 Octal
 None
 Decimal
 Hexadecimal

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Digital Electronics
Digital computers are more widely used as compared to analog computers, because they are

Less expensive
Always more accurate and faster
Useful over wider ranges of problem types
Easier to maintain

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Digital Electronics
(11011) 2 in BCD 8421 code is

 01101100
 00100111
 00011011
 11011001

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Digital Electronics
The number of cells in a 6 variable K-map is

 12
 6
 64
 36

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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

 001000
 101001
 100111
 0001111

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Digital Electronics
When will be the output of an AND gate is LOW ?

 When any input is HIGH
 When all input is LOW
 When any input is LOW
 When all inputs are HIGH

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