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Digital Electronics

Digital Electronics
Odd parity of a bit stream can be tested using ________ gate.

 AND
 OR
 XOR
 NOR

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Digital Electronics
Which type of CPLD packaging can provide maximum number of pins on the package due to small size of the pins?

BGA
PLCC
PGA
QFP

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Digital Electronics
Which one of the following is an invalid state in 8-4-2-1 binary coded decimal counter

 1100
 0011
 1001
 1000

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Digital Electronics
11001, 1001 and 111001 correspond to the 2’scomplement representation of the following set of numbers

 -6, -6 and -6 respectively
 -7, -7 and -7 respectively
 -25, -9 and -57 respectively
 25, 9 and 57 respectively

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

 Gray code
 BCD code
 XS-3 code
 ASCII code

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Digital Electronics
How many bits are required to store one BCD digit ?

 2
 1
 4
 3

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