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Digital Electronics

Digital Electronics
The binary number designations of the rows and columns of the K-map are in

 XS-3 code
 binary code
 Gray code
 BCD code

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Digital Electronics
A combinational circuit can be designed using only

 NOR gates
 OR gates
 OR and X-NOR gates
 AND gates

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Digital Electronics
NAND. gates are preferred over others because these

can be used to make any gate
have lower fabrication area
consume least electronic power
provide maximum density in a chip.

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Digital Electronics
1 Gigabyte is equal to

 1024 Mbytes
 1024 bits
 1024 kbytes
 1024 bytes

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Digital Electronics
The number of 1 in 8-bit representation of 127 in 2’s complement form is m and that in 1,s complement form is n. What is the value of m:n?

 1:1
 1:2
 2:1
 2:3

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Digital Electronics
A full adder has

 2 inputs, 1 output
 3 inputs, 2 outputs
 3 inputs, 1 output
 2 inputs, 2 outputs

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