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Digital Electronics

Digital Electronics
Which of the following is equivalant to an ODD function

 XNOR
 XOR
 NOR
 AND-NOR

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Digital Electronics
A gate is enabled when its enable input is at logic 0. The gate is

 NOR
 AND
 none of these
 NAND

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

 001FF
 00FFF
 000FF
 00100

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Digital Electronics
How many NOR gates are required to obtain AND operation?

 4
 3
 1
 2

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Digital Electronics
Consider the following multiplication: (10w1z) × (15)10 = (y01011001)2 Which one of the following gives appropriate values of w,y and z?

 w = 0,y = 0,z = 1
 w = 0,y = 1,z = 1
 w = 1,y = 1,z = 1
 w = 1,y = 1,z = 0

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Digital Electronics
1 Kilo bits are equal to

 1024 bits
 1008 bits
 1000 bits
 1012 bits

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