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Monday, February 28, 2011

difference between RAM and ROM

RAM is Random Access Memory. It is a volatile type of memory that needs electricity to flow to retain information. It is the type of memory that computers use to process programs.

ROM is Read Only Memory. Essentially it is a piece of permanently written information stored as memory. There are versions of this memory that can be rewritten.

Envoronment

Space- There should be sufficient space for the user to move around and be comfortable.
Housekeeping- equipment should be kept clean and required maintenance done.
Atmospheric condition- the room should be at a good  temperature and with fresh air  .
Noise- both external ans internal noise should be kept within reasonable levels
lighting- lighting should be sufficient and set up so not to reflect the screen.
Decor- Should be pleasant  and relaxing.
Printer location- away from the user to reduce and smell.

Thursday, February 24, 2011

Health and wellbeing

Desk dimensions;
Have a large desk space.

Posture in chair and seating.
Have a chair that supports your body and is the right level.

Hight;
A right hight should get your wrists at 90 degrees.

Feet placement
Should be flat on the floor.

position of monitor
Directly opposite you

keyboard
an ergonomic keyboard and it should be at the same hight as our elbows.
  

Sunday, February 20, 2011

On line gaming

The main aim of the lady on the documentary is that she thought that online games made people feel more confidant and helped to solve problems on these games that she thought could help with the problems of real life

Apps and operating system

The user parses the information to The app, Then the app parses information to the os then the os  parses it on to the printer/ hardware

Tuesday, February 15, 2011

My first post

http://goo.gl/aGjey
This is a Doc that shows how a computer works