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Digital Electronics

Digital Electronics
16’s complement of BABA is?

 4546
 4446
 4544
 4445

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Digital Electronics
The voltages corresponding to LOW and HIGH levels respectively are given below. Identify the voltages which correspond to positive logic system.

 –1.5 V and – 5 V
 0 V and 5 V
 5 V and 0 V
 1 V and -5 V

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Digital Electronics
In simplification of a Boolean function of n variables, a group of 2m adjacent 1s leads to a term with

 m + 1 literals less than the total number of variables
 m – 1 literals less than the total number of variables
 n + m literals
 n – m literals

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Digital Electronics
A combinational circuit can be designed using only

 NOR gates
 OR and X-NOR gates
 OR gates
 AND gates

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

 00011111
 00101001
 00011101
 00100100

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Digital Electronics
Which logic family provide minimum power dissipation

 CMOS
 ECL
 JFET
 TTL

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