F451 Computer fundamentals
F451 Tests and challenges
3.1.1 Components
- Basic definitions
- Purpose of I/O & storage
devices
- Systems software and
Applications packages
3.1.2 Software
- Systems life cycle
- Problem definition
- Feasibility study
- Information requirements
- Systems analysis
- Design specification
- Evaluation
- Documentation
- Testing and installation
- Maintenance
- Prototyping
- Spiral and waterfall models
- Common applications
- Generic applications
- Custom-written applications
- Knowledge-based systems
- Operating systems
- Different types of O/S
- Batch v real-time processing
- Types of user interfaces
- Good interface design
- Utility programs
3.1.3 Data
- Binary, BCD, Oct and Hex
- 2s complement and Sign
and magnitude
- Binary arithmetic
- Code and character sets
- Gathering and inputting data
- Validation and verification
- Different forms of output
- Backing up v archiving data
3.1.4 Hardware
- The CPU
- Registers
- Buses
- Connectivity
- Primary memory
- Secondary storage
- Transfer of data
- Common peripheral devices
- Justifing peripherals
3.1.5 Data transmission
- LANs and WANs
- LANs and WAN hardware
- Data transmission
- Bit rates
- Errors in data transmission
- Packet v circuit switching
- Packet / circuit switching use
- Protocols
- Communication
- Physical & logical protocols
3.1.6 Implications
- Trends
- Changes in society
- Privacy and confidentiality
- Legislation
|