A digital security firm is upgrading its central data center to handle high-definition surveillance video. The system requires storage for active, frequently-accessed footage, as well as long-term archiving of historical data for legal compliance.
Compare the storage media options (Solid State Drives, Hard Disk Drives, and Magnetic Tape) available to the firm for these different requirements.
76 exam-style questions on Edexcel GCSE Computer Science Hardware, covering Von Neumann architecture and FDE cycle, Secondary storage devices, and Embedded systems. Each one has a worked solution and a mark scheme showing where the marks go.