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Digital Electronics

Digital Electronics
What are the values of R1 and R2 respectively in the expression (235)R1 = (565)10 = (1065)R2

 6, 16
 12, 8
 16, 8
 8, 16

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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

ECL
TTLLS
TTLAS
CMOS

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Digital Electronics
An EPROM

 is programmable
 is non volatile
 is of random-access type
All of these

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Digital Electronics
The voltage levels for negative logic system

 must necessarily be 0 V and –5 V
 may be negative or positive
 must necessarily be positive
 must necessarily be negative

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Digital Electronics
The 7-bit Hamming code is used to transmit

 4 data bits
 7 data bits
 3 data bits
 no data bits

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Digital Electronics
The inverter is ___________

None of these
NOT gate
AND gate
OR gate

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