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Hardware Intro Cards
Computer Hardware Cards
Term | Definition |
---|---|
Central Processing Unit | The chip located inside the system unit of a computer that performs the processing for a computer |
GHz - gigiahertz - | 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. |
Mother Board | The main circuit board of a computer to which all computer system components connect. |
BIOS - basic input output system | Lowest level software in the computer that acts as an interface between the hardware of the operating system. |
ROM - Read Only Memory | Contain permanently written data called firmware that loads the operating system when first powered on |
Cache - CASH | 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 |
MB - Megabyte | Storage measurement in millions of bytes |
GB - Gigabyte | Storage measurement in billions of bytes |
TB - Terabyte | 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 0 or 1 (on or off) |
Byte | 8 bits makes 1 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 |
Solid-State Drive | is a solid-state storage device that uses integrated circuit assemblies as memory to store data persistently. |
Floppy Disk Drive | type of disk storage composed of a disk of thin and flexible magnetic storage medium, sealed in a rectangular plastic enclosure lined with fabric that removes dust particles. |
Flash Drive | a small electronic device containing flash memory that is used for storing data or transferring it to or from a computer, digital camera, etc. |