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Digital Electronics

Digital Electronics
What is the gray code for the binary 101011?

 011111
 101011
 110101
 111110

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Digital Electronics
Complement of XNOR and NOR is ________ and ________ respectively.

 XOR, NOR
 NOR, XNOR
 OR, NOR
 XOR, OR

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Digital Electronics
The binary equivalent of hexadecimal number 4F2D is

 0100 1110 0010 1101
 0100 1111 0010 1100
 0101 1111 0010 1100
 0100 1111 0010 1101

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

 0011
 1100
 1000
 1001

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Digital Electronics
A 16-square eliminates

 8 variables
 4 variables
 2 variables
 3 variables

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Digital Electronics
The 2s complement of 17 is

 110001.
  101111.
 111110.
 101110.

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