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Digital Electronics

Digital Electronics
Four ROM chips of 16 × 4 size have their address buses connected together. This system will be of size

 64 × 4
 32 × 8
 16 × 16
 256 × 1

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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 are ‘0’
All the inputs and outputs are complemente'

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Digital Electronics
OR operation is equivalant to

 Both B and C
 Intersection
 Division
 Union

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Digital Electronics
Which number system has a base of 16

 Decimal
 None
 Hexadecimal
 Octal

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

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

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Digital Electronics
The number of Boolean functions that can be generated by n variables is equal to

22n
2n
2n-1
2n

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