Characteristics |
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Type |
Description |
Size( Weight)
Expandability
Power consumption
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Desktop A personal computer used in a fi xed location such as on a desk. Also referred to as a“ stationary computer.” Broadly categorized into tower, slimline, and all-in-one types.
Tower A personal computer unit that stands upright and is relatively large.
Slimline A slim personal computer unit that takes up less space.
All-in-one A personal computer unit that is integrated with a display.
Laptop A portable personal computer that is equipped with a full keyboard, and can be directly supplied with 100V / 200V AC electric power( without an AC power adapter). It gets its name from being able to sit on top of a lap and be used. A slimline desktop personal computer that uses an LCD display can also be considered a laptop. In the West, notebook computers are often called laptops.
Notebook A personal computer that can be folded like a notebook with an emphasis on portability, and is equipped with an LCD display and keyboard that are built into the unit. Notebook computers come in A4 and B5 sizes, as well as even smaller sub-notebooks.
PDA A palm-sized personal computer, also referred to as a“ palmtop” computer. Mainly used to manage personal information such as addresses and schedules. Usually equipped with built-in Internet connectivity.
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Large |
High |
High |
Reference
Rack-mount server A“ rack-mount server” is a server with a flat layout designed to be mounted on a rack. Rack-mount servers are suited for keeping and organizing multiple servers. Each server requires their own power supply and cabling.
Reference
Blade server A“ blade server” is a server in which multiple thin servers are mounted on a specialized chassis, and is suited for processing large amounts of data. The multiple servers are constructed extremely thin, and can share a power supply and cabling. This enables it to take up even less space than a rackmount server and use less power.
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Chapter 8
Computer system
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Small |
Low |
Low |
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