Original Equipment Manufacturer. A company that makes assemblies that manufacturers use. For example, a hard disk company is an OEM to a computer company.
offline
When a device is not electrically connected, even though the physical connection may still exist. A user logged off a network is offline
On-chip cache
Memory that resides on a processor chip used to enhance performance.
online
Able to communicate with another device.
operating system
Software which allows the user and whatever application programs are installed to communicate with the computer hardware. Operating systems include Novell NetWare®, XENIX, OS/2, Windows® 95, and Windows NT.
Operating System
Environment for running application programs; manages the computer resources, e.g. file space on disks, memory allocation; high-level interface between user and computer hardware.
