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Cards In This Set
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The ___ must be able to communication with all devices in a computer system.
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CPU
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The _____ chip is the primary communication bridge between the CPU and the rest of the computer. It deals with high-speed devices such as the video card RAM, and PCI bus.
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Northbridge
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A second chip known as _____ deals with all other devices.
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Southbridge
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The chipset is ____ and ____ and together they extend the data and address buses to every device in the PC.
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Northbridge and Southbridge
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What chip is nonvolatile, meaning it retains the information stored on it even when the power is turned off.
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ROM (read-only memory)
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Usually attached to the ____ , the ROM chip stores hundreds of little programs that enable the CPU to communicate with basic devices such as _____,___ & ___, ____ and others.
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Southbridgefloppy drive, CD and DVD drives, hard drives, video card
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Known as services, are collectively referred to as the basic ___/___.
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Input/output (BIOS)
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What is firmware?
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Programs called services that are stored on a read-only medium and can't be changed by the user.
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Explain the difference between software and firmware?
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Software are programs stored on erasable mediaFirmware are programs stored on a read-only medium and can't be changed by the user
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The term "system ROM" refers to the ______
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ROM chip on the motherboard
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The system ROM chip has room for as much as _1_MB of programs, only 65,536 bytes store the __2__.
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1) 22) BIOS
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The last 65,536 addresses on the address bus are reserved for the
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BIOS on the ROM chip
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When the CPU indicates one of the reserved addresses on the address bus that are for the BIOS on the ROM chip what happens?
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The Northbridge sends the address directly to the ROM BIOS
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The ROM BIOS includes programs that enable the CPU to talk to
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Many basic hardware devices such as the keyboard
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Other devices not supported by the ROM BIOS may have
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Their own ROM chips
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