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Digital Electronics

Digital Electronics
Four ROM chips of 16 × 4 size have their address buses connected together. This system will be of size

 16 × 16
 256 × 1
 64 × 4
 32 × 8

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Digital Electronics
The 7-bit Hamming code is used to transmit

 no data bits
 3 data bits
 4 data bits
 7 data bits

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

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Digital Electronics
The terms which cannot be combined further in the tabular method are called

 prime implicants
 implicants
 essential prime implicants
 selective prime implicants

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Digital Electronics
In a T flip-flop no of input circuit is

 3
 1
 4
 2

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

 XNOR
 AND-NOR
 XOR
 NOR

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