2.1+Hardware+and+Software

Knowledge of technology
In order to study and evaluate the social and ethical issues involved in the use of IT systems, the student must have an understanding of related technological concepts. These may include:
 * 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
 * use, advantages and disadvantages of analogue and digital data
 * operating systems (multitasking, boot) and utilities, for example, defragment, disk format, virus scan
 * programs
 * responsible computer use (for example, regular back-ups, virus checking, security, storage,
 * housekeeping)
 * a responsible and systematic approach to implementing or upgrading IT systems, for example,
 * analysis, design, implementation, testing, evaluation, training, policies and standards.