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47 Cards in this Set
- Front
- Back
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expansion slot
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a socket on the motherboard 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
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Flash memory
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memory that is not deleted when removed from the computer that can be erased and rewritten.
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peripheral
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a device that connects to the system unit
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video card/graphic card
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converts computer output into video signal
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sound card
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enhances the sound-generation capabilites of a PC
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memory card
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a removable flash memory device
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port
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the point at which a peripheral attaches with a system unit
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USB-universal Bus Port
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A port that can connect with up to 127 different peripherals
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FireWire Port
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A port that can connect to multiple types of devices that require faster data transmission
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SCSI port-special high-speed parallel port
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A port that allows you to attach SCSI peripherals such a disk drives and printers
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port replicator
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An external device that provides connections to peripherals
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docking station
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An external device that attaches to a mobile computer and provides connection
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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/front side bus
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The part of the motherboard that connects the processor to main memory
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Backside bus
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connects to processor to cache
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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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an opening inside the system unit
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Drive bay
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a rectangular opening that holds disk drives
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power supply
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the component of the unit that converts ac into dc power
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binary system
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a number system that just has 0's and 1's called bits
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bit
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short for binary digit
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byte
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8 bits grouped together
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memory
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electronic components that store instructions
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volatile memory
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memory that is lost when the power is turned off
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nonvolatile memory
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memory that is not lost when the computer is turned off
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RAM(Random Access Memory)
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Memory chips that can be read from and written by the processor
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ROM (Read Only Memory
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memory chips storing permanant data and instructions
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memory module
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a small circuit board
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memory slot
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things that hold memory modules
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Cache
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Things that most of today's computer that improves improves processing lines
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memory caches
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helps speed the processes of the computer
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L1 Cache
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Cache built directly in the processor chip
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L2 Cache
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Slightly lower than L1 cache but larger capacity
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flash memory
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A type of non-volatile memory that can be erased electronically
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CMOS (complimentary metalloid semiconductors)
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provides high speeds and uses little power
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Access Time
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The amount of time it takes the processor to read data
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Nanosecond
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1 billionth of a second
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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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A small piece of semiconducting material, usually silicon, on which integrated cirgcuits are etched
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CPU (central processing unit)
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interprets and carries out the basic instructions that operate a computer
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Multi-core Processor
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A chip with two or more separate 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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another component of the processor, performs arithmetic, comparison, and other operations
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System clock
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a small quarts crystal circuit that controls the timing of all computer operations
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clock speed
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The pace of the system clock, measured by the number of ticks per second
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