What is the 2’s complement representation of the decimal number -5 using an 8-bit signed binary format?
A11111011
B11111010
C10000101
D11111101
Explanation
To find -5 in 8-bit 2’s complement: 1) Write +5 in binary: 00000101. 2) Invert all bits (1’s complement): 11111010. 3) Add 1: 11111010 + 1 = 11111011.
Exam Relevance
- Topic: Digital Logic & Number Systems
- Subtopic: Signed Numbers & 2's Complement
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