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Digital Electronics

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

 00011101
 00100100
 00011111
 00101001

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Digital Electronics
A half adder has

 1 input and 2 outputs
 1 input and 1 output
 2 inputs and 2 output
 2 inputs and 1 outputs

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Digital Electronics
A bubbled AND gate is equivalent to a

 X-OR gate
 NAND gate
 OR gate
 NOR gate

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Digital Electronics
AND operation of (79)10 & (-56)10 is

 50H
 08H
 48H
 42H

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Digital Electronics
A self-complementing code for the decimal digits is created using the weight 4 4 3 -2. The value of 8592 in the code is

 1100 0111 1111 0011
 1000 0101 1001 0010
 1100 1011 1111 1001
 1100 1001 1111 1000

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Digital Electronics
What is the requirement of fullsubstractor circuit ?

 Three inputs and two outputs
 Two inputs and two outputs
 Two inputs and three outputs
 Three inputs and one output

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MORE MCQ ON Digital Electronics

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