Revision

Revision

1. Algorithms

   • Flowcharts
     • Input/Output
       • Parallelogram shape
     • Decisions
       • Shows Yes/No
       • Diamond shaped
       • Shapes
         • Decisions often a 'yes' or 'no' questions, are put in diamond boxes
         • The beginning and the end of the algorithm are put in boxes with rounded corners
         • Anything that's put into or taken out of the box algorithm goes In parallelogram box
         • General instructions processes and calculations go in rectangular boxes
   • Trace tables

2. Computer systems

   • RAM
     • Fetch cycle
   • CPU
     • Logic gate
     • Arithmetic Logic Units (ALU)
     • Switch on and off
     • Fetch cycle
   • Data types
     • String
     • Integer
     • Float
     • Boolean
   • Motherboard

3. representation of images

4. Secondary storage