The range of positive numbers when using an eight-bit two's-complement system is:-A-0 to 64B-0 to 100C-0 to 127D-0 to 256-C-0 to 127

Question

The range of positive numbers when using an eight-bit two&#39;s-complement system is:-A-0 to 64B-0 to 100C-0 to 127D-0 to 256-C-0 to 127

APTITUDE CRACK · Accepted Answer

C 0 to 127 For 2&#39;s complement range from, ( 2^(n 1)) ...to.... (+2^(n 1) 1)....where n = 8. I will get range 128 to + 127....i.e.0 127.

Digital Arithmetic Operations and Circuits - Technical MCQs