Cost of ram over 50 years
A computer uses two types of storage. A main store consisting of ROM and RAM, and backing stores which can be internal, eg hard disk, or external, eg a CD or USB flash drive.
RAM
Random Access Memory (RAM).
RAM is a fast temporary type of memory in which programs, applications anddata are stored. Here are some examples of what's stored in RAM:
- the operating system
- applications
- the graphical user interface (GUI)
If a computer loses power, all data stored in its RAM is lost.
Questions
Read the article on RAM Cost above and record your observations?
How does the cost of RAM link with the cost of machines today?
How much RAM was on the computers that went to the moon on the Apollo missions?
How much RAM in your phone today?
Give two examples of how RAM affects the performance of each of these: Operating System, general applications and the GUI?
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