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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

ECL
TTLLS
CMOS
TTLAS

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

AND operation
None of these
NOT operation
OR operation

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

F52E
G52F
F53F
F53O

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Digital Electronics
The binary code of (21.125)10 is

10100.111
10101.01
10101.001
10100.001

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

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

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