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| such as keyboards and mice |
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| such a monitors and speakers |
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| The brain of the computer. The processor is located on the main logic board (MLB). This is where the operating system (OS) works, games render images, and spreadsheets calculate |
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| Recent Apple computers use one of these two processors: |
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| This is where the processor keeps information on which it works |
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| Cache is made of RAM and works in a similar fashion but performs specific functions |
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| Storage for all of the information you process and make on a Mac |
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| There are three basic types of drives |
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| magnetic, optical, and solid state |
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| One of the interconnect technologies used on the Mac to connect peripherals. USB is intended for slower, less demanding peripherals, such as keyboards and mice, although it can be used to connect disk drives and cameras. |
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| The high-speed counterpart to USB. Also known as IEEE 1394 and iLink. |
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| You can add cards in these slots to support additional functionality. |
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| Two Types of Expansion Slots |
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| PCI and AGP (Peripheral Component Interconnect and Accelerated Graphics Port) |
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| silicon wafers made up of tens of thousands of tiny transistors, which, in a binary mode, can be turned either off or on. A clock synchronizes the processor signal and its speed is measured in megahertz (MHz) or gigahertz (GHz) |
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| Microprocessors are differentiated by three key characteristics: |
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| Instruction set, Bandwidth, Clock speed |
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| Instruction set (Processor) |
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| The set of instructions that the microprocessor can execute. |
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| The number of bits processed in a single instruction. |
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| Given in megahertz (Mhz) or gigahertz (GHz) determines how many millions or billions of instructions per second the processor can execute. |
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| bandwidth and clock speed example |
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| 32-bit microprocessor running at 50MHz - or - 16-bit microprocessor that runs at 25MHz, the first being faster in both categories. |
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| Intel Processors have brought these advantages: |
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-significant increases in performance
-while reducing heat output |
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