Computing Revision

Computing Revision

1. Computer Components

   • CPU
     • Often referred to as brain of PC
   • RAM
     • Increasing this will increase how many programs can be loaded at once
   • Cache
   • MotherBoard

2. Secondary Storage

   • Magnetic Storage
     • Highest Storage Capacity
   • Solid State
     • Has the fastest read write speed
   • Optical Storage
     • Most portable storage type.

3. Ethical and Cultural Problems

   • Ethics are what society sees as right or wrong
   • Cultural issues are what could affect particular groups of people.

4. Programming Techniques

   • Character
     • Real
       • Integer
         • Boolean
           • True or false
         • Single number
       • Decimal number
     • Single letter
   • String
     • Often a Phrase