System+Fundamentals

IT Systems in a social context =System Fundamentals=

1. Key terms: data, information, hardware components, for example input devices, output devices, processing, storage, memory (RAM, ROM), MHz, dpi, bit, KB, MB, GB, TB, ASCII, compatibility, OCR, OMR, bar code, baud, verification and validation, encryption/decryption, firewall, virus, Trojan horse, worm, logic bomb, platform, peripheral

2. Use, advantages and disadvantages of analogue and digital data

3. Operating systems (multitasking, boot) and utilities, for example, defragment, disk format, virus scan programs, responsible computer use (for example, regular backups, virus checking, security, storage, housekeeping)

4. A responsible and systematic approach to implementing or upgrading IT systems, for example, analysis, design, implementation, testing, evaluation, training, policies and standards.