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Digital Electronics

Digital Electronics
Which number system has a base of 16

 Hexadecimal
 Octal
 Decimal
 None

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Digital Electronics
The output of a NOR gate is high

 only when at least one input is high
 only when all the inputs are high
 only when all the inputs are low
 only when at least one input is low

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Digital Electronics
A half adder is a ________ circuit.

 Combinational
 Sequential
 Both A and B
 None

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Digital Electronics
In digital systems, 1 byte is equal to ________ bit(s).

 2
 4
 8
 1

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Digital Electronics
Simplified form of the function f = (x+y+xy)(x+z)

 x+xyz
 y+xz
 x+y
 x+yz

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

 256 × 1
 64 × 4
 32 × 8
 16 × 16

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