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Digital Electronics

Digital Electronics
The hex address of the 256th memory location is

 00FFF
 001FF
 000FF
 00100

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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.

10 CPS
120 CPS
None of these
12 CPS

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Digital Electronics
The number 10000 would appear just immediately after

FFFF (hex)
All of these
7777 (octal)
1111 (binary)

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Digital Electronics
What logic function is produced by adding inverters to the inputs of an OR gate?

 NAND
 X-NOR
 NOR
 AND

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Digital Electronics
Which of the following gate is a two-level logic gate

OR gate
NOT gate
EXCLUSIVE OR gate
NAND gate

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Digital Electronics
Maximum number in decimal that can be represented by 4 bits (binary) is

 4
 7
 16
 15

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