David Abarca, Instructor

Del Mar College

Computer Corner

Computer Components

Memory VS Storage

ComputerCorner

What’s the difference between memory and storage?

What is memory?

What is storage?

How much of each do I need?

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What is Memory?

R. A. M. (Random Access Memory)

Typically represented in “MB”

Some systems have 256 MB

Most systems require at least 512 MB to allow multiple programs to run at the

same time.

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Advantages of More Memory?

Faster Web Surfing

Faster Printing

Enhanced Multitasking = More Programs

More Efficient Networking

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What is Storage?

Hard Drives, CDs, DVDs, Solid State Memory

Storage is typically represented in “GB”

Most Systems have 60GB

This would hold about 1200 CDs of music or

about 5 hours of digital video

ComputerCorner

The Evolution of Storage

In 1983 a 10 MB Hard Drive (Equal to about 7 diskettes)

sold for $2000.00 ($200 per MB)

Today a 300GB Hard Drive (Equal to about 208,333 diskettes)

sells for $89 ($0.0003 per MB)

In 1983 this 300GB Hard Drive would have cost $60 Million

ComputerCorner

We are still collecting phish

If you receive a phishing email,

please forward it to

phish@cbrsec.com

Results will be presented on August 31st

Computer CornerFor a copy of today’s presentation,

please visitwww.cbrsec.com

and follow the KIIITV link

Please email your questions to:David A. Abarca at

dabarca@delmar.edu