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79 Cards in this Set
- Front
- Back
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System Unit
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a case that contains electronic components of the computer used to process data
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Motherboard
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The main circuit board of the system unit
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chip
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small piece of semiconductying material, usually silicon, on which integrated circuits are attached.
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CPU (Central Processing Unit)
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interprets and carries out the basica insttructions that operate a computer
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Multi-core processor
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a chip with two or more seperate processor cores
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Control Unit
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The component of the processor that directs and coordinates most of the operations in the computer
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ALU (Arithmetic logic unit)
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Performs arithmatic, comparisons,and other operations
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System Clock
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The processor on a small quarte crystal circuit
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Clock speed
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The pace of a system Clock
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Binary System
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a number system that has two unique digits, 0 and 1, called bits
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bit
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the smallest unit of data that a computer can process
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byte
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provides enough different combinations of 0s and 1s to represent 256 individual characters
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Memory
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Consists of electronic components that store instructions waiting to be executed by the processor
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Volatile Memory
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Loses its contents
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Nonvolatile Memory
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Does not lose its contents when power is removed from the computer
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RAM Memory
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(Random Access Memory) consists of memory chips that can be read from and written by the processor and other devices
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ROM Memory
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(Read only Memory) refers to memory chips storing permanet data and information
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Memory Module
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Small circuit board
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Memory Slot
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on the mother-board holds memory modules
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Cache
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Memory Cache and dish cache
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L1 Cache
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Buit directly in the processor chip, usually have very small capacity, ranging from 8 KB to 128 KB
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L2 Cache
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Slightly slower than L1 Cache, but has a much larger capactiy, ranging from 64 KB to 16 MB
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ROM
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(read only memory) refers to memory chips storing permanet data and instructions
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Flash Memory
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type of nonvalitile memory that can be erased electronically and rewritten
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CMOS
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(Complimentary metal-oxide semiconductor) provides high speeds and consumes little power
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Access Time
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The amount of time it takes the processor to read data, instructions, and infor from memory
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NanoSecond
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one billionth of a second
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Expansion SLot
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Socket on the morthboard that can hold an adapter card
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adapter card
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a circuit board that enhances functions of a component of the system unit and provides connections and peripherals
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L1 Cache
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Buit directly in the processor chip, usually have very small capacity, ranging from 8 KB to 128 KB
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L2 Cache
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Slightly slower than L1 Cache, but has a much larger capactiy, ranging from 64 KB to 16 MB
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flash memory
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type of non movable memory that can be erased electronically
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ROM
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(read only memory) refers to memory chips storing permanet data and instructions
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Flash Memory
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type of nonvalitile memory that can be erased electronically and rewritten
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CMOS
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(Complimentary metal-oxide semiconductor) provides high speeds and consumes little power
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Access Time
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The amount of time it takes the processor to read data, instructions, and infor from memory
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NanoSecond
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one billionth of a second
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Expansion SLot
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Socket on the morthboard that can hold an adapter card
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adapter card
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a circuit board that enhances functions of a component of the system unit and provides connections and peripherals
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flash memory
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type of non movable memory that can be erased electronically
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Video Card
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converts computer output into a video signal that travels through a cable to the monitor
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Sound Card
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Enhances the sound-generating capabilities of a personal computer by allowing sound to input through microphones
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Hub
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device that plugs in firewire part on the system unit and creates many porters
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Graphics Card
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Converts computer output into a video signal that travels through a cable to the monitor, which displays an image on the screen
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Memory Card
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A removable flash memory, usually no bigger then in height or width
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Port
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The point at which a peripheral attaches to or communicates with a system unity so that the peripheral can send data to or recieve info from the computer
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Video Card
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converts computer output into a video signal that travels through a cable to the monitor
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USB port
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short for (Universal serial bus) port, can connect up to 127 different peripherals together witha single connector
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Sound Card
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Enhances the sound-generating capabilities of a personal computer by allowing sound to input through microphones
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FireWire Port
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Similar to a USB port in that it can connect multiple types of devices that require faster data transmission.
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Hub
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device that plugs in firewire part on the system unit and creates many porters
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SCSI port
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specail high-speed parallel port, allows you to attach SCSI peripherals such as dish drives and printers
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Graphics Card
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Converts computer output into a video signal that travels through a cable to the monitor, which displays an image on the screen
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Port Replicator
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An external device that provides connections to peripherals through ports built into devices
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Memory Card
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A removable flash memory, usually no bigger then in height or width
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Port
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The point at which a peripheral attaches to or communicates with a system unity so that the peripheral can send data to or recieve info from the computer
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USB port
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short for (Universal serial bus) port, can connect up to 127 different peripherals together witha single connector
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FireWire Port
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Similar to a USB port in that it can connect multiple types of devices that require faster data transmission.
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Video Card
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converts computer output into a video signal that travels through a cable to the monitor
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SCSI port
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specail high-speed parallel port, allows you to attach SCSI peripherals such as dish drives and printers
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Sound Card
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Enhances the sound-generating capabilities of a personal computer by allowing sound to input through microphones
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Port Replicator
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An external device that provides connections to peripherals through ports built into devices
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Hub
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device that plugs in firewire part on the system unit and creates many porters
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Graphics Card
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Converts computer output into a video signal that travels through a cable to the monitor, which displays an image on the screen
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Memory Card
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A removable flash memory, usually no bigger then in height or width
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Port
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The point at which a peripheral attaches to or communicates with a system unity so that the peripheral can send data to or recieve info from the computer
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USB port
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short for (Universal serial bus) port, can connect up to 127 different peripherals together witha single connector
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FireWire Port
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Similar to a USB port in that it can connect multiple types of devices that require faster data transmission.
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SCSI port
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specail high-speed parallel port, allows you to attach SCSI peripherals such as dish drives and printers
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Port Replicator
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An external device that provides connections to peripherals through ports built into devices
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Docking station
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an external device that attaches to a mobile computer or device
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bus
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allows the vatious devices both inside and attaches to the system unity to communicate with each othe
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system bus
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part of the motherboard and connects the processor to main memory
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front side bus
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part of the motherboard and connects the processor to main memory
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backside bus
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connects the processor to cache
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expansion bus
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allows the processor to communicate with peripheral
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bay
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an opening inside the system unity in which you can install additional equipment
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drive bay
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rectangular opening that typically holds dish drives
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power supply
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the component of the system unity that converts the will outlet AL power in DL power
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