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50 Cards in this Set
- Front
- Back
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System Unit
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Is a case that contains electronic components of the computers used too procces data.
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Motherboard
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Is sometimes called a system board, is the main circuit board of the system unit.
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chip
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is a small piece of semi conducting material, usually silicon, on witch integrated circuits are etched.
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CPU
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central processing unit, interupts 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 computer of the processor that directs and coordinates most of the operations in the computer
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ALU
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Arthemtic logic unit, another component of the processor, performs arethmetic, comparison, and other operations.
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System Clock
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A clock built into the computer.
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Clock speed
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I measured by the number of ticks per second.
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Binary system
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A number system that has just two unique digits 0 and 1 called bits.
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bit
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Is the smallest unit of data the computer can process.
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byte
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Provides enough different combinations of 0's and 1's to represent 256 individual characters.
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memory
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Consists of electronic computer that stores instructions waiting to be executed by the processor.
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volatile memory
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Memory that loses its content.
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nonvolatile memory
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Does not lose its contents when power is removed.
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RAM memory
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Computer memory.
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ROM memory
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Read-only memory.
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Memory module
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Is a type of nonvolatile memory that can be erased.
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memory slot
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Hold memory modules.
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Cache
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Memory cache holds memory.
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L1 Cache
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Is built directly into the processor.
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L2 Cache
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Is slightly slower then L1
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ROM
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Read-only memory.
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Flash Memory
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Is a type of novelette memory that can be erased electronically.
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CMOS
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Provides high speed and consumes little power.
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Access Time
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Is the amount of time it takes the processor to read data.
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nanosecond
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Is one billionth of a second.
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Expansion slot
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Is a socket on the motherboard that can hold an adaptor card.
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adapter card
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sometimes called an expansion card is a circuit board that enhances functions of a computer.
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flash memory
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the memory that has flash
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peripheral
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is a device that connects to the system unit and is controlled by the processor.
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video card
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also called a graphics card converts computer output into a video signal.
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sound card
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enhances the sound output.
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hub
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a controlling unit for the computer.
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graphics card
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converts computer output into a video signal.
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memory card
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is a removable flash memory device, usually no bigger that 1.5in in height
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port
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is the point at which a person attaches to or communicates with a system unit.
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USB port
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Short for universal serial bus port it can connect multiple types of devices.
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Fire Wire Port
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is similar to a USB port in that it can connect multiple types of devices.
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SCSI port
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allows you to attach peripherals such as a disk drive and printers.
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port replicator
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is an external device that provides connections or peripherals through ports.
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docking station
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which is an external device that attaches to a mobile computer.
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bus
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Allows the various devices both inside and attached to the system unit.
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system bus
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The bus thats for the system.
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front side bus
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The bus that is in the front.
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backside bus
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The bus that is in the back.
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expansion bus
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Allows the processor to communicate with peripherals.
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bay
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is an opening inside the system unit in which you can install additional equipment.
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drive bay
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Is a rectangular opening that typically holds disk drives.
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power supply
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Is the components of the system unit that converts the wall outlet AC power.
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