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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

 PROM
 EAROM
All of these
 ROM

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Digital Electronics
Which one of the following even parity codes are in errors. (I)100110010 (II)011101010 (III)10111111010001010

 Both (I)&(III)
 Both (II)&(III)
 Only (II)
 Only (III)

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Digital Electronics
In Boolean algebra, OR is represented by

 /
 -
 +
 ×

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Digital Electronics
What is the radix of octal number system ?

 8
 16
 10
 2

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Digital Electronics
X + X.Y = ?

 X
 1
 0
 Y

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Digital Electronics
A gate is enabled when its enable input is at logic 1. The gate is

 none of these
 NOR
 NAND
 OR

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