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Hardware D

Computer Hardware Terms

TermDefinition
Hardware Computer’s Physical Components
Software Directs hardware to accomplish a task Uses hardware for four basic functions Input, processing, storage, output
Binary number system Stores and reads two states 0 or 1, On or Off, True or False, etc
Bit short for “binary digit”, Smallest unit of computing
Byte eight bits, Used for counting, calculation, storage operations
MotherBoard Largest, most important circuit board Contains the CPU, expansion slots, other devices
Central processing unit (CPU) Also called: processor, microprocessor Reads input, processes data, writes data to storage
Chipset Group of microchips on the motherboard controlling data flow
Primary storage Temporary storage used by the processor Random Access Memory, Registers
Secondary storage Enables data to persist after machine turned off Examples: hard drive, CD, DVD, USB drive
RAM Random Accesses Memories
Hard Drive Main secondary computer storage device
Optical drives RW can write to a disk
Traces Fine lines on top and bottom of the motherboard’s surface
Bus System of pathways, transmission protocols
Video Card provides a port for the monitor
Network Card provides a port for a network cable
Power Supply Most important electrical component
BIOS Data and instructions stored on ROM chips
CMOS RAM Includes date, time, port configurations Flash ROM
Sound Card provides ports for speakers and microphones
Created by: BlueDawn