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Digital Electronics

Digital Electronics
What are the values of R1 and R2 respectively in the expression (235)R1 = (565)10 = (1065)R2

 8, 16
 16, 8
 12, 8
 6, 16

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Digital Electronics
The implicants which will definitely occur in the final expression are called

 selective prime implicants
 redundent prime implicants
 prime implicants
 essential prime implicants

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Digital Electronics
For checking the parity of a digital word, it is preferable to use

 AND gates
 X-OR gates
 NOR gates
 NAND gates

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Digital Electronics
The number of Boolean functions that can be generated by n variables is equal to

22n
2n-1
2n
2n

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Digital Electronics
The main criterion in the design of a digital circuit is reduction of

 weight
 volume
 cost
 size

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Digital Electronics
A 10 bit A/D conveter is used to digitize an analog signal in the 0 to 6 volt. The maximum peak to ripple voltage that can be allowed in the D.C. supply voltage is

 10 mV.
  6 mV.
 5 mV.
  5.85 mV.

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