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DIGITAL ELECTRONICS

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
ECL
TTLLS
CMOS

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Digital Electronics
In Boolean algebra, the bar sign (-) indicates ___________.

AND operation
OR operation
NOT operation
None of these

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Digital Electronics
A hexadecimal odometer displays F 52 F. The next reading will be

F53O
G52F
F53F
F52E

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Digital Electronics
The binary code of (21.125)10 is

10100.111
10100.001
10101.01
10101.001

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Digital Electronics
A NAND gate is called a universal logic element because

It is used by everybody
Many digital computers use NAND gates.
All the minization techniques are applicable for optimum NAND gate realization
Any logic function can be realized by NAND gates alone

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