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Digital Electronics

Digital Electronics
Which of the following represents (E3)16 ?

 (200)16-(11D)16
 (2BC)16-(1DE)16
 (1BC)16-(DE)16
 (1CE)16+(A2)16

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

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

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Digital Electronics
A 16-square eliminates

 3 variables
 8 variables
 2 variables
 4 variables

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Digital Electronics
In a read-only memory information can be stored

 by the user only once during its life time
 by the user a number of times
 in any of the above ways depending upon the type of memory
 at the time of fabrication

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

 NOR
 NAND
 X-OR
 AND

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Digital Electronics
An AND gate can be imagined as

 transistors connected in paralle
 switches connected in series
 transistors connected in series
 switches connected in parallel

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