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Digital Electronics

Digital Electronics
The complement of a function A is

 A
 Ā
 0
 1

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Digital Electronics
LSI means

 Large Symbol Integration
 Large Symbol Invertor
 Large Scale Integration
 Large Scale Invertor

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Digital Electronics
Assuming 8 bits for data, 1 bit for parity, I start bit and 2 stop bits, the number of characters that 1200 BPS communication line can transmit is.

12 CPS
None of these
120 CPS
10 CPS

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Digital Electronics
1’s complement of 17 is

 10111.
 10001.
  01110.
 11100.

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Digital Electronics
Which of these sets of logic gates are designated as universal gates?

 XOR, NOR, NAND.
 NOR, NAND.
 NOR, NAND, XNOR.
 OR, NOT, AND.

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Digital Electronics
A gate is enabled when its enable input is at logic 1. The gate is

 NAND
 OR
 none of these
 NOR

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