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Digital Electronics

Digital Electronics
What is the gray code for the binary 101011?

 101011
 110101
 111110
 011111

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Digital Electronics
A read only memory in which the present contents must be erased before the new information can be stored is

 EAROM
 ROM
All of these
 PROM

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Digital Electronics
A three-state buffer has the following output states

 High, Low, Float
 1, 0, float
 Both A and B
 Set, Reset, Halt

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Digital Electronics
The output of a NOR gate is high

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

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Digital Electronics
The 7-bit Hamming code is used to transmit

 7 data bits
 3 data bits
 4 data bits
 no data bits

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Digital Electronics
Why generic array logic (GAL) device was invented ?

None of these
 One-time programmable
 Reprogrammable
 Mask programmable

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MORE MCQ ON Digital Electronics

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