EDUCATION COLLABORATION
    
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MEMORY STORAGE TYPES
Primary, Secondary, Off-line
  • REVISION
  • RETRIEVAL IN RANDOM
  • ELABORATION {MAKE IT STICK}
4 Seconds
  • RAM
  • Random Access Memory. Main memory of a computer that stores programs and data that are currently in use. You can read data from the RAM and write data to the RAM. It is volatile memory which means when the computer is switched off the RAM will lose
  • ROM
  • Read Only Memory. Storage for data on a computer which cannot be overwritten. ROM data is always available and non-volatile.
  • Compact Disk
  • Compact Disk. An optical device with a capacity of 700MB They store and retrieve computer data or music using light. These are considered off-line storage.
  • DVD
  • Digital Versatile Disk. An optical storage device with a capacity of 4.7GB
  • Blu-Ray Disk
  • A Blu-ray disk (BD) is a high-capacity optical disk medium developed for recording, rewriting and playing back high definition video. It can store large amounts of data and was designed to supersede the DVD.
  • Hard Disk Drive
  • Hard disk drives (HDD) are a non-volatile memory hardware device. When the power is turned off, the data is kept. Hard disk drives are used as the main storage device in a computer. They work by read & write heads scanning a rotating disk. See links below for more information.
  • Solid State Drive
  • Solid state drives are non-volatile storage media that stores persistent data on solid-state flash memory. They are fast as there are no movable parts - low latency. Read more from the links below.
  • Cache Memory
  • Cache memory is an extremely fast memory type that acts as a buffer between RAM and the CPU. It holds frequently requested data and instructions so that they are immediately available to the CPU when needed. See the links below for more information
    


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RAM








ROM








Compact Disk








DVD








Blu-Ray Disk








Hard Disk Drive








Solid State Drive








Cache Memory








Think you know? : Write some words that help you remember the definition.
Cache Memory
Compact Disk
DVD
RAM
ROM
Blu-Ray Disk
Hard Disk Drive
Solid State Drive
 
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