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Hardware Vocab

Central Processing Unit (CPU) The chip located inside the system unit of a computer that performs the processing for a computer
GHz(Gigahertz) Speed of a processor counted by billions of ticks per second
MHz (Megahertz) Speed of a processor counted by millions of ticks per second
System unit The container that holds the motherboard and keeps components safe
Motherboard Main circuit board of a computer to which all computer system components connect
Basic Input/Output System (BIOS) Lowest level software in the computer that acts as an interface between the hardware of the operating system
Read Only Memory (ROM) Contain permanently written data called firmware that loads the operating system when first powered on
Cache Small, high speed memory between the processor and system memory. Faster than RAM
Hard Disk Drive A storage system consisting of one or more metal magnetic disks permanently sealed with an access mechanism inside its drive
Megabyte (MB) Storage measurement in millions of bytes
Gigabyte(GB) Storage measurement in billions of bytes
Terabyte (TB) Storage measurement in trillions of bytes
Random access memory (RAM) Provides a high speed, temporary location for the computer to hold data and program instructions
Bit The smallest unit of computing, consists of either a o or 1 (on or off)
Byte 8 bits make one byte
Video Graphic Adapter Enables the connection of a monitor and may provide additional graphics capabilities
Network Interface Card Enables a PC to connect to a network
Optical Drive Adds read and write capabilities to your computer for portability
Monitor A display device that projects images onto a display screen
Computer Hardware the collection of physical parts of a computer system
Computer Case the metal enclosure that contains many of the other hardware components.
Ports used by a motherboard to interface with electronics both inside and outside of the computer
Sound Card facilitates the input and output of audio signals to and from a computer under the control of computer programs
PC Card device that uses a specific peripheral interface designed for laptop computers.
Created by: Kaibry