Chapter III-System Unit.pptx

Chapter III-System Unit.pptx - Chapter III System Unit...

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Chapter III: System Unit Introduction Why are some microcomputers more powerful than others? The answer lies in three words: speed, capacity, and flexibility. After reading this chapter, you will be able to judge how fast, powerful, and versatile ( doing many tasks at the same time) a particular microcomputer is . As you might expect, this knowledge is valuable if you are planning to buy a new microcomputer system or to upgrade an existing system. The system unit , including the system board, microprocessor, memory, expansion slots and cards, bus lines, ports, cables, and power supply units . 1 Lecturer Kim No @RUPP
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Chapter III: System Unit I. What is the System Unit? The system unit is a case that contains electronic components that make up a computer system used to process data. 2 Lecturer Kim No @RUPP
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Chapter III: System Unit I. What is the System Unit? There are a variety of different categories or types of system units. II. Categories Of System Units: All computer systems have a system unit. For microcomputers, there are six basic types: 1. Desktop 2. Media Center 3. Notebook “System Units” 4. Netbook 5. Tablet PC 6. Handheld Computer 3 Lecturer Kim No @RUPP
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Chapter III: System Unit II. Categories Of System Units: 1. Desktop system units typically contain the system’s electronic components and selected secondary storage devices. Input and output devices, such as a mouse, keyboard, and monitor, are located outside the system unit. This type of system unit is designed to be placed either horizontally or vertically . 4 Lecturer Kim No @RUPP
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Chapter III: System Unit II. Categories Of System Units: 2. Media center system units : ( Movies, music, and games ). Media center system units use powerful desktop system hardware with specialized graphics cards (fast graphics cards) and HDMI-( High-Definition Multimedia Interface) outputs so you can interface with your TV (PC-TV). 5 Lecturer Kim No @RUPP
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Chapter III: System Unit II. Categories Of System Units: 3. Notebook system units are portable and much smaller. These system units contain the electronic components, selected secondary storage devices, and input devices (keyboard and mouse,..). Notebook system units are often called laptops. 6 Lecturer Kim No @RUPP
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Chapter III: System Unit II. Categories Of System Units: 4. Netbook system units are similar to notebook system units. They are, however, smaller, less powerful, and less expensive. Netbooks are designed to support on-the-go Web browsing and e-mail access. They reduce space and weight. 7 Lecturer Kim No @RUPP
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Chapter III: System Unit II. Categories Of System Units: 5. Tablet PC system units are similar to notebook system units. Tablet PCs are highly portable devices that support the use of a stylus or pen to input commands and data. 8 Lecturer Kim No @RUPP
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Chapter III: System Unit II. Categories Of System Units: 6. Handheld computer system units are the smallest and are designed to fit into the palm of one hand. These systems contain an entire computer system, including the electronic components, secondary storage, and input and output devices. Personal digital assistants (PDAs) and smart phones are the most widely used handheld computers.
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