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Digital Electronics

Digital Electronics
What is the minimum number of two-input NAND gates used to perform the function of 2-input OR gate?

 three
 four
 one
 two

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Digital Electronics
Which one of the following even parity codes are in errors. (I)100110010 (II)011101010 (III)10111111010001010

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

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

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

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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

 self-complementing codes
 BCD codes
 sequential codes
 cyclic codes

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Digital Electronics
A byte is equal to ________ bits.

 8
 4
 16
 32

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Digital Electronics
What is the radix of octal number system ?

 10
 2
 8
 16

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