Dell Precision 610 Dell Precision WorkStation 610 Mini Tower Systems User's Gu - Page 213

An internal or external device-such as a printer, a disk drive, or a keyboard-connected to a computer. Abbreviation for pin grid array, a type of processor socket that allows you to remove the processor chip. A single point on a video display. Pixels are arranged in rows and columns to create an image. A video resolution, such as 640 x 480, is expressed as the number of pixels across by the number of pixels up and down. An industry-standard specification that makes it easier to add hardware devices to personal computers. Plug and Play provides automatic installation and configuration, compatibility with existing hardware, and dynamic support of mobile computing environments. Acronym for power-on self-test. Before the operating system loads when you turn on your computer, the POST tests various system components such as RAM, the disk drives, and the keyboard. Abbreviation for pages per minute. Abbreviation for plastic quad flat pack, a type of processor socket in which the processor chip is permanently mounted. The Program Diskette Maker allows you to create program diskette sets, or master copies, of software that Dell installed on your computer system. It is essential that you create these diskette sets as soon as possible. You may need a set of master diskettes if you ever experience problems with your hard-disk drive and need to reinstall your Dell-installed software. If your system includes Dell-installed software, you can select this program from the Dell Accessories program folder. The set of diskettes from which you can perform a complete installation of an operating system or application program. When you reconfigure a program, you often need its program diskette set. An operating mode supported by 80286 or higher processors, protected mode allows operating systems to implement: A memory address space of 16 MB (80286 processor) to 4 GB (Intel386 or higher processor) Multitasking Virtual memory, a method for increasing addressable memory by using the hard-disk drive The Windows NT, OS/2, and UNIX® 32-bit operating systems run in protected mode. MS-DOS cannot run in protected mode; however, some programs that you can start from MS-DOS, such as the Windows operating system, are able to put the computer into protected mode. The primary computational chip inside the computer that controls the interpretation and execution of arithmetic and logic functions. Software written for one processor must usually be revised to run on another processor. CPU is a synonym for processor. Abbreviation for Personal System/2. Abbreviation for Preboot eXecution Environment, which loads agents remotely onto systems to perform management tasks in the absence of a running operating system. Glossary 11