Computer Architecture & OOP Design Deep Dive

Question

A deep-dive round that goes below the algorithm into systems fundamentals. Expect architecture fundamentals plus software-design judgment.

What this round covers

• Cohesion vs coupling; when each matters
• Memory layout, alignment, cache lines
• Virtual functions and the vtable cost
• C++ object lifetime, RAII, move semantics

Tips

Build understanding from first principles. Bring real low-level debugging stories.