A 8-bit signed integer has the following range ?



A 8-bit signed integer has the following range ?

A. 0 to 255

B. -128 to 127

C. -255 to 254

D. 0 to 509

Answer : B. -128 to 127


Explanation :

  • There are 28 (256) different possible values for 8 bits.
    • When unsigned integer, it has possible values ranging from 0 to 255.
    • When signed integer, it has -128 to 127.

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