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Digital Electronics

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

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Digital Electronics
Which number system has a base of 16

 Hexadecimal
 Decimal
 None
 Octal

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Digital Electronics
In the boolean algebra, a variable has ________ different state(s)/value(s).

 4
 2
 1
 3

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Digital Electronics
Which is typically the longest: bit,byte,nibble,word?

 byte
 bit
 nibble
 word

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Digital Electronics
What is the requirement of fullsubstractor circuit ?

 Two inputs and three outputs
 Three inputs and one output
 Two inputs and two outputs
 Three inputs and two outputs

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