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Digital Electronics

Digital Electronics
The binary number 110011.11 is equivalent to decimal number

 51.65
 50.65
 51.75
 50.75

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Digital Electronics
A + Ā is equal to

 Ā
 1
 0
 A

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Digital Electronics
Combinations that are not listed for the input variables are

 Overflow
 Borrow
 Don't Care
 Carry

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Digital Electronics
1s Complement of 11001010 is

 11001001
 00110101
 00110111
 11001011

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Digital Electronics
The number of 1 in 8-bit representation of 127 in 2’s complement form is m and that in 1,s complement form is n. What is the value of m:n?

 1:2
 2:3
 1:1
 2:1

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Digital Electronics
Among the logic families, the family which can be used at very high frequency greater than 100 MHz in a 4 bit synchronous counter is

TTLAS
ECL
TTLLS
CMOS

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