Computer Science

Computer Science

1. Software

2. Computing Hardware

   • CPU
     • Executes a program
     • Clock speed - how fast CPU executes instructions
     • Cache Size - Temporarily holds data, improves speed
     • Cores - Power to run the programs
     • Performs basic arithmetical, logical and input/output functions to a computer system
   • Binary
     • Logic Gates
       • NOT
       • AND
       • OR
   • Memory
   • Input and output
   • Secondary Storage

3. Data

   • Units
   • Number
   • Character
   • Images
   • Sound
   • Instructions

4. Databases

   • Database concept
   • DBMS
   • Relational

5. Comms and networking

   • Networks
   • Internet

6. Programming

   • Algorithms
   • Languages
   • Control flow
   • Testing
   • Handling data

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