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Digital Electronics

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

 Gray code
 XS-3 code
 BCD code
 ASCII code

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Digital Electronics
The binary equivalent of hexadecimal number 4F2D is

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

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Digital Electronics
(1D)16 in BCD 8421 code is

 00011101
 00100100
 00011111
 00101001

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Digital Electronics
The binary number designations of the rows and columns of the K-map are in

 binary code
 XS-3 code
 BCD code
 Gray code

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Digital Electronics
The codes in which each successive code word differs from the preceding one in only one bit position are called

 sequential codes
 self-complementing codes
 cyclic codes
 BCD codes

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Digital Electronics
A single flip-flop can be cleared (reset) to

 1
 0
 None
 Both A and B

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