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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

TTLLS
TTLAS
ECL
CMOS

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Digital Electronics
If two numbers in excess-3 code are added and the result is less than 9, then to get equivalent binary

 0110 is added
 0011 is subtracted
 0110 is subtracted
 0011 is added

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Digital Electronics
In ULSI, the number of gate circuits per chip is

 > 50,000
 1,00,000 to 10,00,000
 > 1,00,000
 50,000 to 99,999

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Digital Electronics
Why generic array logic (GAL) device was invented ?

 Mask programmable
 Reprogrammable
 One-time programmable
None of these

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Digital Electronics
The number of parity bits in a 12-bit Hamming code is

 8
 4
 5
 6

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Digital Electronics
XNOR followed by a NOT gate is equivalant to ________ gate

 XOR
 NOR
 OR
 XNOR

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MORE MCQ ON Digital Electronics

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