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Computer Flashcards

By Jacob and Garrett

Hardware Computer’s physical components -Monitor, keyboard, memory, hard drive
Software Instruction set -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
American Standard Code for Information Interchange (ASCII) Used for storing characters
Computer activity consists of... Computer activity consists of input, processing, storage, and output
Primary input devices Keyboard, mouse Requires electricity from inside case
Primary output devices Monitor: visually displays primary computer output Printer: produces paper output (hard copy)
The 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 (main memory) Temporary storage used by the processor Random Access Memory, Registers Most common: dual inline memory module (DIMM) Volatile memory – It loses whatever was being stored whenever it loses power
Secondary storage (permanent storage) Enables data to persist after machine turned off Examples: hard drive, CD, DVD, USB drive
Traces Fine lines on top and bottom of the motherboard’s surface
Bus System of pathways, transmission protocols
BIOS (basic input/output system) Data and instructions stored on ROM chips ROM BIOS chips: type of firmware
CMOS RAM Includes date, time, port configurations
Flash ROM ROM chips that can be overwritten
Parallel and serial ATA standards Enable secondary storage devices to interface with the motherboard
Created by: Echo21



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