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Digital Electronics

Digital Electronics
The complement of a function A is

 1
 Ā
 0
 A

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Digital Electronics
The NOR 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
 alphanumeric codes
 numeric codes
 BCD codes

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

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Digital Electronics
A half adder is a ________ circuit.

 None
 Both A and B
 Sequential
 Combinational

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Digital Electronics
Which of the following is 1’s complement representation of +57

 01000110
 00000001
 00111001
 11000110

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