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Digital Electronics

Digital Electronics
The number of cells in a 6 variable K-map is

 64
 12
 6
 36

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Digital Electronics
11001, 1001 and 111001 correspond to the 2’scomplement representation of the following set of numbers

 -25, -9 and -57 respectively
 25, 9 and 57 respectively
 -7, -7 and -7 respectively
 -6, -6 and -6 respectively

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Digital Electronics
ASCII and EBCDIC codes are

 numeric codes
 BCD codes
 alphanumeric codes
 error correcting codes

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Digital Electronics
The inputs of a NAND gate are connected together. The resulting circuit is ___________.

OR gate
AND gate
NOT gate
None of these

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Digital Electronics
The binary equivalent of hexadecimal number 4F2D is

 0100 1111 0010 1101
 0101 1111 0010 1100
 0100 1111 0010 1100
 0100 1110 0010 1101

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Digital Electronics
The terms which cannot be combined further in the tabular method are called

 selective prime implicants
 essential prime implicants
 implicants
 prime implicants

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