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Digital Electronics

Digital Electronics
Which of the following logic circuits is the fastest ?

 All have same speed.
 RTL.
 DTL.
 TTL.

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Digital Electronics
9’s complement of 52784630 is

 48225469
 58326479
 47215369
 57316379

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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

TTLLS
TTLAS
CMOS
ECL

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Digital Electronics
Which one of the following is correct sequence of the numbers represented in the series(2)3, (10)4, (11)5, (14)6, (22)7,…………….

 2, 3, 4, 5, 6, ….
 2, 4, 6, 8, 10, …..
 2, 4, 6, 10, 12, …
 2, 4, 6, 10, 16……..

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Digital Electronics
When will be the output of a NOT gate is HIGH ?

 the input is LOW
 the input is HIGH
 the input is HIGH and LOW
None of these

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Digital Electronics
A 32 × 10 ROM contains a decoder of size

 32 × 32
 10 × 32
 32 × 10
 5 × 32

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