A-level Computing/AQA/Computer Components, The Stored Program Concept and the Internet

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This exam is worth 40% of your AS grade (20% of A2). It is examined in June.

v • d • e A-level Computing : Unit 2

Fundamentals of Computer Systems	Hardware and software · Classification of Software · System software · Application software · Generations of programming language · Types of program translator

Fundamental Hardware Elements of Computers	Logic Gates · Boolean gate combinations · Building circuits · Gate conversion · Boolean algebra · Simplifying boolean equations · Boolean identities · De Morgan's Laws

Machine Level Architecture	Internal and external hardware components of a computer · Functional characteristics of a processor · Structure and role of the processor · Machine code and processor instruction set · The Fetch–Execute cycle and the role of registers within it

Hardware Devices	Input and output devices · Input devices · Output devices · Secondary storage devices

Structure of the Internet	Internet, Intranet and World Wide Web · Packet switching · IP addresses · Domain names · URIs · Client server model · Protocols · TCP/IP protocol stack

Webpage Design	Web page construction · HTML & style sheets · Webpage design

Consequences of Uses of Computing	Legal and ethical issues · Legislation · Code of conduct · Hacking · Digital rights management · Robotics · Emerging technologies