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Digital Electronics

Digital Electronics
Convert the binary number (1111000011110000) to hexadecimal number

 7070
 1010
 F0F0
 5050

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Digital Electronics
A gate is inhibited when its inhibit input is at logic 1. The gate is

 NAND
 none of these
 OR
 AND

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Digital Electronics
The XS-3 code is a

 error-correcting code
 cyclic code
 weighted code
 self-complementing code

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Digital Electronics
Which number system has a base of 16

 Hexadecimal
 None
 Octal
 Decimal

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Digital Electronics
Which of the following operations is commutative but not associative?

 X-OR
 NAND
 AND
 OR

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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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