Q
Hard 3 Marks
Computer Studies Data Representation
What is the decimal value of binary 1111?
Explanation
1111 = 1×2³ + 1×2² + 1×2¹ + 1×2⁰ = 8+4+2+1 = 15.
Reference: Computer Studies Textbook , Page 4
Hint
All four bits are 1 — add up all four powers of 2.