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Digital Electronics

Digital Electronics
What is the Boolean expression for a two-input AND gate ?

 A - B
 A.B
 A + B
 A & B

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Digital Electronics
In which of the following codes do the successive characters differ in only 1-bit position?

 cyclic code
 binary code
 8421 code
 2421 code

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Digital Electronics
Queue is also known as

 FIFO memory
 LIFO memory
 Flash memory
 LILO memory

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

 NOR
 NAND
 X-OR
 AND

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

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

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Digital Electronics
The fan put of a 7400 NAND gate is

5TTL
8TTL
2TTL
10TTL

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