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Digital Electronics

Digital Electronics
Convert the binary number (1111000011110000) to hexadecimal number

 7070
 F0F0
 1010
 5050

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Digital Electronics
The NAND gate can function as a NOT gate if

 one input is set to 0
 one input is set to 1
 all inputs are connected together
 inputs are left open

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Digital Electronics
ASCII and EBCDIC codes are

 error correcting codes
 numeric codes
 BCD codes
 alphanumeric codes

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Digital Electronics
X = 01110 and Y = 11001 are two 5-bit binary numbers represented in 2’s complement format. The sum of X and Y in 2’s complement format using 6 bits is

 101001
 001000
 0001111
 100111

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

2n-1
2n
2n
22n

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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

 4
 0
 2
 1

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