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Digital Electronics

Digital Electronics
What is the gray code for the binary 101011?

 101011
 111110
 110101
 011111

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Digital Electronics
The fan put of a 7400 NAND gate is

8TTL
10TTL
2TTL
5TTL

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Digital Electronics
A signed integer has been stored in a byte using 2’scomplement format. We wish to store the same integer in 16-bit word. We should copy the original byte to the less significant byte of the word and fill the more significant byte with

 Complement of the MSB of the original byte
 1
 Equal to the MSB of the original byte
 0

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Digital Electronics
What logic function is produced by adding an inverter to each input and output of an OR gate?

 AND
 X-OR
 NAND
 NOR

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Digital Electronics
The NOR gate can function as a NOT gate if

 inputs are left open
 one input is set to 1
 one input is set to 0
 all inputs are connected together

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Digital Electronics
(FE35)16 XOR (CB15)16 is equal to

 (FF35)16
 (FF50)16
 (3320)16
 (3520)16

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