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Digital Electronics

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

 00011111
 00011101
 00101001
 00100100

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Digital Electronics
For 4 bit parallel addition, we need ________ half adder(s) and ________ full adder(s)

 0 and 4
 0 and 3
 1 and 4
 1 and 3

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Digital Electronics
OR operation is equivalant to

 Division
 Both B and C
 Union
 Intersection

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Digital Electronics
Which of the following BCD codes with an odd parity bit included in the end of code group, have error in the code? (I)1001010110000 (II)0100011101100 (III)0111110000011 (IV)1000011000101

 Only (II)
 Both (II)&(III)
 Both (I) & (II)
 Both (I)&(IV)

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Digital Electronics
An n variable K-map can have

 2n cells
 n2 cells
  nn cells
 n2n cells

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

 NOR
 AND
 OR
 XOR

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