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Digital Electronics

Digital Electronics
The hex address of the 256th memory location is

 00FFF
 000FF
 00100
 001FF

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Digital Electronics
A Binary number system has how many digits.

 0
 1
 2
 10

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Digital Electronics
A small circle or dot on top of an IC represents

 Pin2
 Pin13
 Pin1
 Pin14

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Digital Electronics
What is mean by FPU

 floating parallel universal
 floating point universal
 floating point unit
 floating parallel unit

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Digital Electronics
Which of the following is 2’s complement of +12?

 00001100
 00000011
 00001000
 01110011

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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
 -256 to 255
 -128 to 128

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