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Digital Electronics

Digital Electronics
A three-state buffer has the following output states

 1, 0, float
 High, Low, Float
 Set, Reset, Halt
 Both A and B

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Digital Electronics
The voltages corresponding to LOW and HIGH levels respectively are given below. Identify the voltages which correspond to positive logic system.

 1 V and -5 V
 0 V and 5 V
 –1.5 V and – 5 V
 5 V and 0 V

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Digital Electronics
A bubbled OR gate is equivalent to a

 X-OR gate
 AND gate
 NAND gate
 NOR gate

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Digital Electronics
The largest positive number that can be stored in a computer that has 16-bit word length and uses two’s complement arithmetic is

 65,536
 32,768
 32
 32,767

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Digital Electronics
The base of the number system for the addition operation 24 + 14 = 41 to be true is

 8
 6
 7
 5

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Digital Electronics
The number of parity bits in a 12-bit Hamming code is

 4
 5
 6
 8

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