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Digital Electronics

Digital Electronics
A device which converts decimal number into BCD form is called

 code converter
 encoder
 multiplexer
 decoder

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Digital Electronics
The NAND-NAND realization is equivalent to

 AND-NOT realization
 NOT-OR realization
 AND-OR realization
 OR-AND realization

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Digital Electronics
A graphical representation of a products in a truth table is called as

 Mapping
 K-Map
 T-Map
 Graphing

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Digital Electronics
It is desired to have a 64 × 8 ROM. The ROMs available are of 16 × 4 size. The number of ROMs required will be

 2
 6
 8
 4

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Digital Electronics
In which of the following base systems is 123 not a valid number?

Base 16
Base 10
Base 8
Base 3

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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
 X-OR
 NAND
 AND

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