Computing

Computing

1. computer systems

   • Types of computer system
     • General Purpose
     • Dedicated Systems
     • Control Systems
     • Embedded
     • Expert
     • Information Management
   • Reliability
     • Data Integrity
     • Testing
   • Standards
     • De Facto
     • De Jure
     • Proprietary
     • Industsry
     • Open
   • Ethical
     • Data Protection
   • Environmental issues
     • Waste Materials
     • Energy

2. programming

   • flowcharts
   • pseudo code
   • programming languages
   • integrated development environment (IDE)
   • data types
   • variable
   • constants
   • comparison operatrios
   • operations
   • arrays
   • testing

3. databases

   • flat file
   • Hierarchical
   • relational
   • DBMS
   • transactions
   • multi user
   • forms
   • queries

4. hardware

   • CPU
     • fetch
     • decode
     • Execute
     • Boot Sequence
     • Clock speed
     • Cache Memory
   • Memory
     • Virtual
     • Flash Memory
     • secondary storage
       • Magnetic hard disk
       • optical disk
       • Flash

5. software

   • System software
     • command line
     • Graphical
     • Touch screen
     • Natural Language and speech
   • Application Software
     • any app
   • Utility Software
     • anti virus
     • spyware security
     • firewalls

6. networks

   • Bus
   • Star
   • Ring
   • cables
   • hubs
   • switches
   • routers
   • client to server
   • peer to peer

7. representation of data

   • numbers
     • units
     • denary
     • binary
     • hexidecimal
   • characters
     • ASCII
     • UNI CODE
   • images
   • sound