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Digital Electronics

Digital Electronics
An n variable K-map can have

 n2n cells
 n2 cells
  nn cells
 2n cells

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Digital Electronics
The NOR gate is OR gate followed by ___________.

NAND gate
NOT gate
None of these
AND gate

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Digital Electronics
How many numbers are used in the decimal number system?

 0 to 10
 0 to 9
None of these
 1 to 10

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Digital Electronics
The maximum positive and negative numbers which can be represented in two’s complement form using n bits are respectively,

 +2n-1,-(2n-1+1)
 +2n-1,-2n-1
 +(2n-1-1),-2n-1
 +(2n-1-1),-(2n-1-1)

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Digital Electronics
Storage of 1 KB means the following number of bytes

1000
964
1064
1024

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Digital Electronics
The AND-OR realization of a combinational circuit requires three 3-input AND gates and one 3-input OR gate. This circuit can be designed using

 four input NAND gates only
None of these
 three 3-input OR gates and one 3-input AND gate
 three 3-input NAND gates and one 3-input NOR gate

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