The following numbers are in 8-bit, two's complement notation.
Find the decimal equivalent for each.
-$$01011110 _ { 2 ^ { * } }$$
A) 94
B) −94
C) 95
D) −95
E) None of these

Question

Quizplus · Accepted Answer

The first bit is 0, indicating a positive number. Converting the binary number 01011110 to decimal: $2^6 + 2^4 + 2^3 + 2^2 + 2^1 = 64 + 16 + 8 + 4 + 2 = 94$.

The Following Numbers Are in 8-Bit, Two's Complement Notation 010111102∗01011110 _ { 2 ^ { * } }010111102∗​

The Following Numbers Are in 8-Bit, Two's Complement Notation $01011110 _ { 2 ^ { * } }$