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33 Cards in this Set
- Front
- Back
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Access Time |
The amount of time it takes the processor to read data, instructions, and information from memory and the time required to deliver an item from memory to the processor. |
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Adapter Card |
A circuit board that enhances the functions of a component of a desktop or server system unit and provides connections to peripheral devices. |
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Analog |
Continuous (wave form) signals. |
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Arithmetic Logic Unit |
Component of the processor that performs arithmetic, comparison, and other operations. |
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Binary System |
Number system that has just two unique digits, 0 and 1, called bits.
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Bit |
The smallest unit of data the computer can process. Short for binary digit.
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Bus |
Electrical channel that transfers electronics bits internally within the circuitry of a computer, allowing the devices both inside and attached to the system unit to communicate with each other.
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Byte |
Eight bits grouped together.
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Cache |
Area of memory that stores the contents of frequently used data or instructions.
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Central Processing Unit (CPU) |
The electronic component of a computer
er that interprets and carries out the basic instructions that operate a computer. |
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Chip |
A small piece of semiconducting material, usually silicon, on which integrated circuits are etched.
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Clock Speed |
The pace of the system clock.
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Control Unit |
The component of the processor that directs and coordinates most of the operations in the computer.
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Digital |
Representation of data using only two discrete states: on and off.
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eCycling |
Short for electronics recycling.
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Expansion Slot |
A socket on a desktop or server motherboard that can hold an adapter card.
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Firmware |
ROM chips or flash memory chips that store permanent instructions, such as a computer or mobile device's start-up instructions.
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Flash Memory |
Type of nonvolatile memory that can be erased electronically and rewritten.
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Gigahertz (GHz) |
One billion ticks of the system clock per second.
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Memory |
Electronic components that store instructions waiting to be executed and the data needed by those instructions.
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Memory Cache |
Cache that helps speed the processes of a computer by storing frequently used instructions and data.
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Memory Module |
Small circuit board that houses RAM chips and is held in a memory slot on the motherboard.
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Memory Slots |
Slots on the motherboard that hold memory modules.
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Motherboard |
The main circuit board of the personal computer.
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Multi-Core Processor |
A single chip with two or more separate processor cores.
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Plug and Play |
Technology that gives a computer the capability to recognize peripheral device as you install them. |
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Power Supply |
Component of the system unit that converts wall outlet AC power to the DC power that is used by a computer.
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Processor |
The electronic component of a computer that interprets and carries out the basic instructions that operate a computer.
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RAM |
Memory chips that can be read from and written to by the processor and other devices. |
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Read-only Memory (ROM) |
Memory chips that store permanent data and instructions. |
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System Clock |
Small quartz crystal circuit that controls the timing of all computer operations. |
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USB Adapter |
A dongle that plugs into a USB port, enhances functions of a mobile computer and provides connections to peripheral devices. |
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Word Size |
The number of bits the processor can interpret and execute at a given time. |
