From Higher Computing Science
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- Computers store programs and data currently in use in RAM (Random Access Memory)
- RAM consists of a set of memory locations each with an individual address
- RAM is not persistent – when the computer is switched off, RAM will lose its values.
- RAM is used for storing programs and data when in use because its access time is much quicker than backing storage devices. RAM data access is measures in nanoseconds – hundreds of times faster than accessing a hard drive.