Binary, denary conversions. Two's complement binary numbers.
Understand the Problem
The question is related to the conversion between binary and denary (decimal) systems, particularly focusing on two's complement representation of binary numbers. We're probably looking to understand how to convert numbers back and forth and how two's complement affects the process.
Answer
87
To convert the two's complement binary number 01010111 to decimal, check the MSB; it’s 0, indicating a positive number. Convert directly: 87 in decimal.
Answer for screen readers
To convert the two's complement binary number 01010111 to decimal, check the MSB; it’s 0, indicating a positive number. Convert directly: 87 in decimal.
More Information
Two's complement is a method for representing signed integers in binary and is commonly used in computer systems.
Tips
A common error is forgetting to check the sign bit or incorrectly performing the two's complement process.
Sources
- Two's Complement to Decimal Conversion - sandbox.mc.edu
- Higher Computing Revision - Two's Complement - sites.google.com
- Two's Complement - Cornell CS - cs.cornell.edu
