September 11th 2019 - Computer Technology Group (first meeting following summer break)

Speaker -  Derek Noronha
Subject - A subjective look at computer memory
Details - - A subjective look at the various types of computer memory types for different applications; criteria choosing and selecting the right types for various applications. Why using the wrong types will comprise the end results.

Below are links to the explanatory videos shown during the morning:-

RAM Explained - Random Access Memory: https://www.youtube.com/watch?v=PVad0c2cl
 
Comparison of DDR Memory for Your Laptop:  https://www.youtube.com/watch?v=NUjMNc8DQyI
 
Flash Memory Speed Class Ratings Explained (UHS, Class, 100x): https://www.youtube.com/watch?v=HB1LhViXgfo

How to Choose an SD Card for Video on a Camera or Camcorder SDHC vs SDXC: https://www.youtube.com/watch?v=rbYVSgKVNpw

How To Choose The Right SD Card For Your Camera And What All The Symbols On It Mean:
https://www.youtube.com/watch?v=2VjN9UCDWiw
SSD Life Expectancy: https://www.youtube.com/watch?v=-XZNr7mS0iw

More information from DerekNote: SSDs’ are improving all the time ; General advice: Get a large SSD  with at least 50% spare capacity AFTER  software is installed.There are a lot of the small capacity e.g 120 GB/240 GB   etc older generation ones being pushed at  "bargain" low prices;
These  have short lives.
 
             RAM

• 4 GB RAM + windows adequate for light browsing, light document/spreadsheet work
• 8 GB RAM + windows suffice for: heavy browsing, heavyish document/spreadsheet work, running specialized tasks, gaming
• 16 GB RAM + windows gets you enough memory for some data analysis, video encoding/transcoding, and more memory-hungry apps in general.
• RAM  Memory is used as a high-speed way to process data and store it temporarily.
• Even with SSD hard drives, RAM is much faster than SSD drives.
• Understand that as time marches forward, computers will always want more memory.
•  Operating systems have new features and these new features require memory.
• What is fine today may not be enough tomorrow.

              If you are doing advanced graphics work, more memory is probably better, so 16 GB is
              probably a bare minimum.

• If you are doing video editing/Photoshop, 16 GB is probably not enough.
• Major video editing setups use lots and lots of memory.
• Preferred approach  32 Gb RAM  + a decent Nvidia Graphics ( Cuda ) card  with a minimum
• Pitfalls of making the wrong choices of 2 GB memory.