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Digital Electronics

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

 encoder
 code converter
 multiplexer
 decoder

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

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

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Digital Electronics
What is the gray code for the binary 101011?

 011111
 110101
 101011
 111110

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Digital Electronics
For the design of a combinational circuit with four inputs using only NAND gates, the number of K-maps required for the simplification process is

 1
 2
 0
 4

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Digital Electronics
AND operation is equivalant to

 Division
 Intersection
 Union
 Both B and C

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Digital Electronics
Among the logic families, the family which can be used at very high frequency greater than 100 MHz in a 4 bit synchronous counter is

CMOS
TTLAS
ECL
TTLLS

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