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Digital Electronics

Digital Electronics
Positive integers must be represented by

 signed numbers
 Both A and B
 None of these
 unsigned number

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Digital Electronics
Complement of XNOR and NOR is ________ and ________ respectively.

 OR, NOR
 XOR, OR
 XOR, NOR
 NOR, XNOR

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Digital Electronics
A D-flip-flop is said to be transparent when

 the output is LOW
 the output follows clock
 the output follow input
 the output is HIGH

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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 2’s complement is used to represent the numbers, then the range will be

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

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Digital Electronics
The code used for labeling the cells of a K-map is

 octal
 8-4-2-1 binary
 hexadecimal
 gray

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Digital Electronics
The field, which is never present in an assembly language statement, is

 Continue
 Opcode
 Operand
 Comment

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