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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
All of these
 PROM

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Digital Electronics
How the digital signals is transmitted through a single conductor ?

None of these
 Parallel
 Serial
 Analog

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Digital Electronics
The output of a gate is HIGH if and only if all its inputs are LOW. It is true for

 NAND
 X-OR
 NOR
 X-NOR

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Digital Electronics
The NAND gate is AND gate followed by ___________.

AND gate
None of these
OR gate
NOT gate

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Digital Electronics
X + X.Y = ?

 X
 Y
 1
 0

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Digital Electronics
(1D)16 in BCD 8421 code is

 00101001
 00011101
 00011111
 00100100

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