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RAM (Random Access Memory)

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Page 1: RAM (Random Access Memory). Definition Form of computer data storage The computer’s short term memory (Disk space is long term) Computer chips that

RAM (Random Access Memory)

Page 2: RAM (Random Access Memory). Definition Form of computer data storage The computer’s short term memory (Disk space is long term) Computer chips that

Definition

Form of computer data storage

The computer’s short term memory (Disk space is long term)

Computer chips that temporarily store data to enhance computer performance

Uses integrated circuits that allow data to be accessed in any “random” order

Doesn’t matter where data is if its related or not

Page 3: RAM (Random Access Memory). Definition Form of computer data storage The computer’s short term memory (Disk space is long term) Computer chips that

Volatile Memory

Loses contents once power is cut.

Form of electricity while computer is on

Pulls out what it needs at the moment from long term memory

Can be saved when computer is shut down properly.

When computer boots up, RAM fills with programs automatically loaded at start-up

Page 4: RAM (Random Access Memory). Definition Form of computer data storage The computer’s short term memory (Disk space is long term) Computer chips that

Different Types

Architecture and speed

Much faster but more expensive than permanent memory

Must be compatible with motherboard

Newer - Dynamic RAM

Older – Single In-line Memory Modules (SIMMS) or Dual In-Line Memory Modules (DIMMS)

Page 5: RAM (Random Access Memory). Definition Form of computer data storage The computer’s short term memory (Disk space is long term) Computer chips that

Other storage…

Magnetic discs

Optical discs

Flash memory

Rely on physical movement

Longer data transfer and retrieval time

Not as fast as RAM

Page 6: RAM (Random Access Memory). Definition Form of computer data storage The computer’s short term memory (Disk space is long term) Computer chips that

HistoryEarly type: magnetic core memory (1949-1952)Used until 1960’s

Click icon to add picture

Page 7: RAM (Random Access Memory). Definition Form of computer data storage The computer’s short term memory (Disk space is long term) Computer chips that

How it works….http://www.youtube.com/watch?v=DZMIPIVmEcQ

http://www.youtube.com/watch?v=DZMIPIVmEcQ
http://www.youtube.com/watch?v=DZMIPIVmEcQ
Page 8: RAM (Random Access Memory). Definition Form of computer data storage The computer’s short term memory (Disk space is long term) Computer chips that

Can you install it yourself?

http://www.youtube.com/watch?v=atifCDg30xM

http://www.youtube.com/watch?v=atifCDg30xM
http://www.youtube.com/watch?v=atifCDg30xM
Page 9: RAM (Random Access Memory). Definition Form of computer data storage The computer’s short term memory (Disk space is long term) Computer chips that

Can you install it yourself?

Cheap

Anywhere from $14 - $600 depending on what you want

Page 10: RAM (Random Access Memory). Definition Form of computer data storage The computer’s short term memory (Disk space is long term) Computer chips that

Buying it….

Check out consumer reports:

http://www.consumerreports.org/cro/electronics-computers/computers-internet/computers/computer-buying-advice/computer-features/laptop-features.

htm

Easiest way:

www.bestbuy.com

Best Buy In-Store ($36.99 - $499.99)

http://www.consumerreports.org/cro/electronics-computers/computers-internet/computers/computer-buying-advice/computer-features/laptop-features.htm
http://www.consumerreports.org/cro/electronics-computers/computers-internet/computers/computer-buying-advice/computer-features/laptop-features.htm
http://www.consumerreports.org/cro/electronics-computers/computers-internet/computers/computer-buying-advice/computer-features/laptop-features.htm
http://www.consumerreports.org/cro/electronics-computers/computers-internet/computers/computer-buying-advice/computer-features/laptop-features.htm
http://www.bestbuy.com/
Page 11: RAM (Random Access Memory). Definition Form of computer data storage The computer’s short term memory (Disk space is long term) Computer chips that

Sources

http://en.wikipedia.org/wiki/Random-access_memory

http://www.wisegeek.com/what-is-random-access-memory.htm

http://en.wikipedia.org/wiki/Random-access_memory
http://en.wikipedia.org/wiki/Random-access_memory
http://www.wisegeek.com/what-is-random-access-memory.htm
http://www.wisegeek.com/what-is-random-access-memory.htm
http://www.wisegeek.com/what-is-random-access-memory.htm

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