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40 Cards in this Set
- Front
- Back
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System Unit
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Is a case that contains electronic componets of a computer used to process data
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Motherboard
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Is the main circuit board of the sytem unit
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Chip
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is a small piece of semiconducting material, usually silicon
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CPU
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(central processing unit) interprets and carries out the basic instructions that operate a computer
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Multi-Core processor
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is a chip with two or more seperate processor cores.
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Control Unit
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is the componet of the processor that directs and coordinates most of the operations in the computer.
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ALU
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(arithmetic logic unit) componetnt of the processor, performs arithemetic, comparision, and other operations
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system clock
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Small quartz crystal circuit that is used by the processor to control the timing of all computer operations.
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clock speed
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Pace of the system clock, measured by the number of ticks per second.
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binary system
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Number system used by computers that has just two unique digits, 0 and 1, called bits.
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bit
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The smallest unit of data a computer can process. Bit is short for binary digit
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byte
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bits that are grouped together
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memory
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consists of electronic componets that store instructions waiting to be excuted by the processor.
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volatile memory
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Type of memory that loses its contents when a computer's power is turned off.
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nonvolatile memory
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Type of memory that does not lose its contents when a computer's power is turned off.
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RAM memory
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Type of memory that can be read from and written to by the processor and other devices.
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ROM memory
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Type of nonvolatile memory that is used to store permanent data and instructions.
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memory module
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Small circuit board that houses RAM chips and is held in a memory slot on the motherboard.
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memory slot
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Slots on the motherboard that hold memory modules.
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cache
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Area of memory that stores the contents of frequently used data or instructions.
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L1 Cache
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A type of memory cache that is built directly into the processor chip, with a capacity of 8 KB to 16 KB.
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L2 Cache
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A type of memory cache that is slightly slower than L1 cache, but has a much larger capacity, ranging from 64 KB to 16 MB.
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expansion slot
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Socket on a motherboard that can hold an adapter card.
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adapter card
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Circuit board that enhances functions of a component of a system unit and/or provides connections to peripherals.
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flash memory
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Type of nonvolatile memory that can be erased electronically and rewritten.
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peripheral
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Device that connects to a system unit and is controlled by the processor in the computer.
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video card
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Adapter card that converts computer output to a video
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sound card
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Adapter card that enhances the sound generating capabilities of a personal computer by allowing sound to be input through a microphone and output through external speakers or headset.
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hub
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is a device that plugs in a Fire Wire prot on the system unit
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graphics card
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Adapter card that 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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Removable flash memory device
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port
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Point at which a peripheral attaches to or communicates with a system unit so it can send data to or receive information from the computer
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USB port
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Port that can connect up to 127 different peripherals with a single connector type
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Fire Wire Port
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Port that can connect multiple types of devices that require faster data transmission speeds.
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SCSI Port
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Special high-speed parallel port to which peripherals, such as disk drives and printers, can be attached
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Rom
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Type of nonvolatile memory that is used to store permanent data and instructions.
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Flash memory
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Type of nonvolatile memory that can be erased electronically and rewritten
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CMOS
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used by some RAM chips, flash memory chips, and other types of memory chips that provides high speeds and consumes
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Access Time
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Measurement of the amount of time it takes the process to read data, instructions, and information from memory
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Nanosecond
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One billionth of a second.
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