TECHNOLOGY GUIDE ONE Computer Hardware TG1.1 Introduction Hardware refers to the physical equipment used for the input, processing, output and storage activities of a computer system. Hardware consists of: Central processing unit (CPU) Primary storage Secondary storage
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Hardware refers to the physical equipment used for the input, processing, output and storage activities of a computer system.
See this view from Intel of how a chip works
Moore’s Law: microprocessor complexity would double every two years.
For a look at the evolution of chips from the Intel 4004 to multicore chips, click here.
Two basic categories of computer memory:
In this picture, one byte, 01001000, represents the letter H
Hard disk drive
CPU board with fan
Floppy disk drive
Memory capacity that can store very large amounts of data for extended periods of time.
Magnetic tape reel
Magnetic tape cartridge
IBM System Z
A very early (if not the first) mouse demonstration in 1968.
Microsoft Seadragon is a very interesting interface. See a demonstration here.
Jeff Han presents the multitouch screen at the TED talks.
Microsoft Surface Computing offers a new interface for users. This technology is also called the Microsoft “coffee table.” Demo
Another look at Microsoft Surface Computing Demo