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Digital Electronics

Digital Electronics
Positive integers must be represented by

 unsigned number
 Both A and B
 None of these
 signed numbers

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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

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

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Digital Electronics
In signed magnitude representation, the binary equivalent of 22.5625 is (the bit before comma represents the sign)

 0,10110.1001
 1,10101.1001
 1,10110.1001
 0,10110.1011

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Digital Electronics
The 2s complement of 17 is

 111110.
 101110.
  101111.
 110001.

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Digital Electronics
Each term in the standard SOP form is called a

 maxterm
 literal
 don’t care
 minterm

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Digital Electronics
When an input signal 1 is applied to a NOT gate, the output is ___________.

1
Either 0 & 1
None of these

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