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

Tests and challenges

Basic components of a computer system: 1 2 3 4 5 6 7

More about systems software: 1 2 3 4 5 6 7

Input and output devices: 1 2 3 4 5 6 7

Bits, nibbles, bytes and codes: 1 2 3 4 5 6 7

Storage devices: 1 2 3 4 5 6 7

Denary, binary, octal, hex and BCD: 1 2 3 4 5

Negative binary numbers: 1 2 3 4 5

Binary arithmetic: 1 2 3 4 5

Back-up data v archiving data: 1 2 3 4 5 6 7