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Digital Electronics

Digital Electronics
The binary number 10101 is equivalent to decimal number ___________.

12
19
27
21

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Digital Electronics
In simplification of a Boolean function of n variables, a group of 2m adjacent 1s leads to a term with

 m – 1 literals less than the total number of variables
 m + 1 literals less than the total number of variables
 n – m literals
 n + m literals

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Digital Electronics
A multiplexer is a

 1-to-1 device
 N-to-1 device
 1-to-N device
 N-to-N device

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Digital Electronics
If a counter having 10 flip flops is initially at 0, What count will if hold after 2060 pulses?

  000 000 1000.
 000 000 1110.
 000 001 1100.
  000 000 1100.

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Digital Electronics
A new Binary Coded Pantry (BCP) number system is proposed in which every digit of a base-5 number is represented by its corresponding 3-bit binary code. For example, the base-5 number 24 will be represented by its BCP code 010100. In this numbering system,the BCP code 100010011001 corresponds to the following number in base-5 system

 4231
 2201
 1324
 423

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Digital Electronics
One bit full adder has ________ inputs

 any number
 3
 4
 2

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