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Digital Electronics

Digital Electronics
A half adder is a ________ circuit.

 Both A and B
 Sequential
 Combinational
 None

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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

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

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Digital Electronics
The only function of NOT gate is to ___________.

Act as a universal gate
Stop signal
Invert input signal
None of these

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Digital Electronics
A signed integer has been stored in a byte using 2’scomplement format. We wish to store the same integer in 16-bit word. We should copy the original byte to the less significant byte of the word and fill the more significant byte with

 0
 1
 Complement of the MSB of the original byte
 Equal to the MSB of the original byte

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Digital Electronics
Which of the logical operations is represented by the + sign in Boolean algebra ?

 NAND
 NOT
 AND
 OR

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Digital Electronics
Each term in the standard SOP form is called a

 maxterm
 minterm
 don’t care
 literal

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