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Digital Electronics

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

 EAROM
 ROM
 PROM
All of these

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Digital Electronics
The output of a NAND gate is low

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

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Digital Electronics
What logic function is produced by adding an inverter to each input and output of an OR gate?

 NAND
 AND
 X-OR
 NOR

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Digital Electronics
In LSI, the number of gate circuits per chip is

 < 10,000
 100 to 999
 1000 to 10,000
 100 to 9,999

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Digital Electronics
The output of a logic gate is 0 when all its inputs are at logic 0. The gate is either

 an OR or an X-NOR
 a NAND or an X-OR
 an AND or a NOR
 an OR or an X-OR

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Digital Electronics
The output of a logic gate is 1 when all its inputs are at logic 1. The gate is either

 a NAND or a NOR
 an OR or an X-OR
 an AND or a NOR
 an AND or an OR

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