... different ways. You will need to know the different types of storage used, including: * RAM (random-access memory) * ROM (read-only memory) * magnetic disk (hard, floppy) * optical storage (for example CD ROM, DVD) You will need to be able to compare the different types of storage for: * volatility (loss when power removed) * storage capacity * speed of access and retrieval * read capability * write capability * cost. You will need to know the terms used to describe the size of data or storage capacity, including the following (but not the precise numbers): * bit (binary digit - smallest data item) * byte (8 bits) * Kbyte (Kilo or 1024 bytes - 210) * Mbyte (Mega or 1,048,576 or 220) * Gbyte (Giga or 1,073,741,824 or 230) * Terabyte (~1,099,000,000,000 or 240). There are many types of input device. You need to understand their purpose and be able to select input devices to meet the needs of users, including: * mouse * roller ball * keyboard * concept pad (keyboard ...

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