Memory, Storage Devices and Media

A. show understanding of the difference between: primary, secondary and off-line storage and provide examples of each, such as, primary: Read Only Memory (ROM), Random Access Memory (RAM) and DVD-RAM; secondary: hard disk drive (HDD) and Solid State Drives (SSDs); off-line: Digital Versatile Disks (DVDs), Compact Disks (CDs), Blu-ray, USB flash memory and removable disks

• • Data storage

  • Computer memory

  • Semiconductor memory

  • Primary and secondary storage

B. describe the principles of operation of a range of types of storage devices and media including magnetic, optical and solid state

• • Secondary Storage

C. describe how these principles are applied to currently available storage solutions, such as SSDs, hard disk drives, USB flash memory, DVDs, CDs and Blu-ray

• • BBC Bite Size Tests/quizzes

D. calculate the storage requirement of a file

• • Data sizes and speeds

ZAK Notes