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Digital Electronics

Digital Electronics
What is the gray code for the binary 101011?

 111110
 110101
 011111
 101011

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Digital Electronics
In which of the following codes do the successive characters differ in only 1-bit position?

 2421 code
 binary code
 8421 code
 cyclic code

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Digital Electronics
A gate is enabled when its enable input is at logic 0. The gate is

 AND
 none of these
 NOR
 NAND

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Digital Electronics
For the design of a combinational circuit with four inputs using only NAND gates, the number of K-maps required for the simplification process is

 2
 1
 0
 4

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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

 1324
 2201
 4231
 423

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Digital Electronics
OR operation is equivalant to

 Division
 Both B and C
 Union
 Intersection

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