OCR GCSE Computer Science Exam Questions

1.1 Systems Architecture

1.1 question 28

Describe two differences between RAM and ROM.

MARKS

Mark scheme

RAM: Volatile; stores currently running instructions/programs/data; can be changed.
ROM: Non‑volatile; stores boot/BIOS; normally cannot be changed.

Exam guidance

Mark in pairs: one mark for RAM side + one for ROM side per difference (max 2 differences).