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Digital Electronics

Digital Electronics
Which number system has a base of 16

 Decimal
 Hexadecimal
 None
 Octal

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Digital Electronics
The number of rows in the truth table of a 4-input gate is

 12
 4
 8
 16

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Digital Electronics
The universal gate is ___________

None of these
OR gate
AND gate
NAND gate

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

 XOR
 OR
 AND
 NOR

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Digital Electronics
An AND gate will function as OR if

All the inputs to the gates are “1”
Either of the inputs is “1”
All the inputs and outputs are complemente'
All the inputs are ‘0’

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Digital Electronics
A system has following negative numbers stored in binary form as shown. The wrongly stored number is

 -48 as 11101000
 -37 as 11011011
 -32 as 11100000
 -89 as 10100111

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