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Digital Electronics

Digital Electronics
A bubbled OR gate is equivalent to a

 AND gate
 NAND gate
 NOR gate
 X-OR gate

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Digital Electronics
Which of the following shows the correct attachment of even parity bit to the data 00001001?

 000001001
 000010011
 000010010
 100001001

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Digital Electronics
The NAND-NAND realization is equivalent to

 AND-NOT realization
 NOT-OR realization
 AND-OR realization
 OR-AND realization

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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

 cyclic codes
 BCD codes
 sequential codes
 self-complementing codes

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Digital Electronics
A byte is equal to ________ bits.

 32
 4
 8
 16

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Digital Electronics
The maximum positive and negative numbers which can be represented in two’s complement form using n bits are respectively,

 +(2n-1-1),-2n-1
 +(2n-1-1),-(2n-1-1)
 +2n-1,-2n-1
 +2n-1,-(2n-1+1)

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