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GATE CSE 2005 | Question: 16, ISRO2009-18, ISRO2015-2

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The range of integers that can be represented by an $n$ bit $2’s$ complement number system is:

  1. $-2^{n-1} \text{ to } (2^{n-1} -1)$

  2. $-(2^{n-1} -1) \text{ to } (2^{n-1} -1)$

  3. $-2^{n-1} \text{ to } 2^{n-1}$

  4. $-(2^{n-1} +1) \text{ to } (2^{n-1} -1)$

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