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Digital Electronics

Digital Electronics
The number of rows in the truth table of a 4-input gate is

 4
 16
 8
 12

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

 7070
 F0F0
 5050
 1010

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Digital Electronics
When two n-bit binary numbers are added then the sum will contain at most

 (n + 1)-bit
 (n + 2)-bit
 (n + n)-bit
 n-bit

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

 implicants
 prime implicants
 selective prime implicants
 essential prime implicants

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Digital Electronics
A computer has a word length of 8 bits (including sign). It is required to determine the range of integers that can be stored in the computer. If 1’s complement is used to represent the numbers, then the range will be

 -256 to 256
 -256 to 255
 -128 to 127
 -127 to 127

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Digital Electronics
OR operation is equivalant to

 Intersection
 Division
 Both B and C
 Union

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