Movie name: - Welsh Government
|Movie name: |How RAM works |
|Duration: |3 mins 46 secs |
|Target audience: |KS4 ICT |
|Curricular coverage: |KS4 ICT GCSE |
|Expected outcomes: |Pupils should be able explain how RAM works and what it is. They should also have a clear idea that the |
| |operating system is software copied to RAM from the hard drive. |
|Keywords: |RAM, memory, binary, bit, byte, volatile, non-volatile, operating system, hard drive |
|Notes: |The movie refers to the featured Mac Mini as 'old', this is a reference to the location and position of the |
| |RAM stick which identifies the computer as an early model Mac Mini. |
|Synopsis: |This movie identifies and describes RAM, showing that the RAM chip is composed of billions of individual |
| |memory cells, each of which is used to represent a bit (binary digit), and which are combined in groups of 8|
| |to form a byte. It shows how bytes are used to represent characters and numbers, taking in binary |
| |representation as it does so. It then zooms out to show RAM being filled by opening programs and typed data,|
| |and touches on memory management and the operating system. It shows programs and data being copied between |
| |RAM and the hard drive. |
| | |
| |The movie provides pupils with a clear visualisation of these concepts (especially bits and bytes, binary |
| |and how RAM uses data copied from the hard drive) and they can be encouraged afterwards to describe and |
| |explain them to one-another. |
| | |
| |The movie can be used as an introduction to the topic (computer memory, RAM and ROM) or as a summary. It is |
| |best shown to a group rather than viewed independently, and discussed afterwards. |
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