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50 Cards in this Set
- Front
- Back
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System Unit
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Case that contains electronic components to receive data
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Motherboard
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The main circuit board of the unit
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chip
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a small piece of semi conducting material
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CPU
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carries out the operations of a computer
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Multi-core processor
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chip with processor cores
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Control Unit
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instructs data information
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ALU
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performs processing operation in the computer
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System Clock
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controls timing of computer operations
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clock speed
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measured by the number of ticks per second
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binary system
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A number system with two unique digits
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bit
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The smallest unit of data
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byte
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The smallest storage device
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memory
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list of electronic components
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volatile memory
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when a computer's power is turned off
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nonvolatile memory
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computer does not lose contents when power is removed
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RAM memory
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The main memory source of the computer
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ROM memory
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memory chips storing permanent data
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memory module
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a small circuit board that has ram chips
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memory slot
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holds memory on the motherboard
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Cache
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speeds the process of a computer
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L1 Cache
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has a small capacity
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L2 Cache
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has a much larger capacity
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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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flash memory
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type of nonvolatile memory that can be erased
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peripheral
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A device that connects to the system unit and it controlled by the processor.
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video card
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converts a computer outlet into a video
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sound card
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enhances the sound capabilities of a computer
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hub
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a group or organization on the internet
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graphics card
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converts a computer outlet
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memory card
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a removable flash memory device
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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 peripheral attaches to a system unit
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USB port
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Is a flash memory device
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FireWire Port
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Connects multiple types of devices from anywhere
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SCSI port
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allows user to attach disk drives and printers to a system
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port replicator
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Is an external device
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docking station
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provides connections to peripherals through computers
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bus
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allows devices to communicate with each other
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system bus
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connects the processor to the main memory
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front side bus
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is part of the motherboard
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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 peripherals
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bay
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is an opening inside the system unit
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drive bay
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rectangular ending that usually holds disk drives
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power supply
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converts AC power to DC power in an outlet
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ROM
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chips storing permanent data
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Flash Memory
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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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The amount of time it takes a computer to read data/
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nanosecond
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one billionth of a second
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