Bit–byte relationship: Given that 1 byte = 8 bits, does a string of 64 bits correspond to 9 bytes, or is the correct conversion 8 bytes?

Introduction / Context:
Converting between bits and bytes is a foundational skill in digital electronics and computer engineering. This question verifies your ability to convert a 64-bit length to its byte count accurately and to avoid overcounting due to framing or encoding misconceptions.

Given Data / Assumptions:

• 1 byte = 8 bits, by standard definition.
• No additional parity or framing bits are included unless explicitly stated.
• The term “string” here denotes a contiguous sequence of bits.

Concept / Approach:
The conversion formula is straightforward: bytes = bits / 8. Applying this to 64 bits yields exactly 8 bytes. Any claim of 9 bytes would imply additional overhead bits (for example, parity, start/stop in serial links), which are not part of the raw bit count unless separately specified.

Step-by-Step Solution:

Verification / Alternative check:
Consider an 8-byte register or 64-bit CPU general-purpose register; it contains 64 bits, matching 8 bytes exactly.

Why Other Options Are Wrong:
“Correct” would misstate the math; parity or framing are separate layers and do not change the base conversion; Unicode or character encodings do not alter the bits-per-byte identity.

Common Pitfalls:
Mixing physical-layer framing with payload size; assuming all 64-bit data types have hidden overhead bits.

Final Answer:
Incorrect