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CUT6 3.3
Computers: Understanding Tech 6e 3.3
Term | Definition |
---|---|
boot drive | A drive that contains the files needed to start up the operating system. |
platform | The hardware that a particular operating system will run on. |
IBM-compatible platform | Hardware that is based on the same standard as the original IBM PC back in the 1980s, which ran an operating system called MS-DOS. Also called Intel platform. |
Intel platform | See IBM-compatible platform. |
x86 | The 32-bit version of the Intel platform. The name x86 is a reference to the numbering system of Intel CPUs used in early computers: 286, 386, and 486. |
x64 | The 64-bit version of the Intel platform. |
cold boot | The act of booting (or starting) a computer after the power has been turned off. |
warm boot | The act of restarting a computer without powering it off. |
power-on self-test (POST) | A test of the essential hardware devices at startup to make sure they are operational. |
kernel | The portion of the operating system that manages computer components, peripheral devices, and memory. The kernel also maintains the system clock and loads other operating system and application programs as they are required. |
memory resident | The part of the operating system that remains in memory while the computer is in operation. |
nonresident | The part of the operating system that remains on the hard disk until it is needed. |
user interface | The interface that allows communication between the software and the user. Also called shell. |
shell | See user interface. |
command-line interface | A text-based user interface in which users type commands to interact with the operating system. |
graphical user interface (GUI) | A user interface that enables the user to select commands by pointing and clicking with a mouse or other pointing device or by tapping with a finger or stylus. |
desktop | The background for a graphical user interface (GUI) environment. |
icon | A small picture that represents a file, folder, or program. |
window | A well-defined rectangular area on the computer screen, in which file listings and applications appear. |
tile | A rectangular block on a graphical user interface screen (such as the Windows 8.1 Start screen) that represents an application, a folder, or a file. The user taps a tile to select it. |
driver | A small program that translates commands between the operating system and the device. |