IGCSE Theory Section 1-Types and components of computer systems

Section 1: Types and components of computer systems
Candidates should be able to:
(a) define hardware, giving examples
(b) define software, giving examples
(c) describe the difference between hardware and software
(d)  identify the main components of a general-purpose computer: central processing unit, main/internal
memory (including ROM and RAM), input devices, output devices and secondary/backing storage
(e)  identify operating systems, including those which contain a graphical user interface, a command line
interface
(f)  identify different types of computer including Personal Computer or desktop, mainframe, laptop, palmtop
and Personal Digital Assistant
(g) describe recent developments in ICT