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Digital Electronics

Digital Electronics
The decimal equivalent of hexadecimal number of 2A0F is

 17067
 10767
 17670
 17607

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Digital Electronics
The number of digit 1 present in the binary representation of (3 × 512 + 7 × 64 + 5 × 8 + 3) is

 8
 6
 9
 7

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Digital Electronics
Why encoder is used in the digital electronics ?

 To convert coded information into non coded form
None of these
 To convert non coded information into coded form
 It is used to separate address bus and data bus

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

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Digital Electronics
Fastest memory element is

 Hard Drive
 RAM
 ROM
 Cache

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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

TTLAS
TTLLS
CMOS
ECL

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