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Digital Electronics

Digital Electronics
A bubbled OR gate is equivalent to a

 NAND gate
 AND 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?

 000010010
 100001001
 000001001
 000010011

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Digital Electronics
When an input signal 1 is applied to a NOT gate, the output is ___________.

Either 0 & 1
1
None of these

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Digital Electronics
A computer has a word length of 8 bits (including sign). It is required to determine the range of integers that can be stored in the computer. If 1’s complement is used to represent the numbers, then the range will be

 -256 to 255
 -256 to 256
 -127 to 127
 -128 to 127

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Digital Electronics
Complement of XNOR and NOR is ________ and ________ respectively.

 NOR, XNOR
 XOR, OR
 XOR, NOR
 OR, NOR

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Digital Electronics
The NAND-NAND realization is equivalent to

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

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