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CIT165 HW Ch 2
CIT165 Hardware Comp Ch 2 - Introducing Operating Systems
Question | Answer |
---|---|
administrator account | An administrator account has more privileges than a standard account and is used by those responsible for maintaining and securing the system. |
Aero user interface | A new 3D user interface available in some version of Vista. |
backward-compatible | A term referring to the ability of older components to work with newer technologies. |
Briefcase | Briefcase creates a Briefcase folder, which is a folder that can be used to sync up files in this folder with its corresponding Briefcase folder on another computer. |
child directory | Another term for a subdirectory. |
command prompt window | A window that enables a user to enter multiple commands to perform a variety of tasks. |
compressed (zipped) Folder | A compressed folder with a .zip extension. |
CMOS setup | (1) The CMOS configuration chip. (2) The program in system BIOS that can change the values in CMOS RAM. |
desktop | The initial screen that is displayed when an OS has a GUI interface loaded. |
device driver | A program stored on the hard drive that tells the computer how to communicate with an input/output device such as a printer or modem. |
file extension | A three-character portion of the name of a file that is used to identify the file type. In command lines, the file extension follows the filename and is separated from it by a period. For example, Msd.exe, where exe is the file extension. |
filename | The first part of the name assigned to a file. In Windows, a filename can be up to 255 characters. |
folder | another term for directory or subdirectory. |
graphical user interface (GUI) | A core Windows component responsible for building graphics data to display or print. A GDI printer relies on Windows to construct a page to print and then receives the constructed page as bitmap data. |
HAL (hardware abstraction layer) | The layer of the kernel closest to the hardware. |
initialization files | Configuration information files for Windows. System.ini is one of the most important Windows 9x/Me initialization files. |
kernel | The portion of an OS that is responsible for interacting with the hardware. |
logical drive | A portion or all of a hard drive partition that is treated by the operating system as though it were a physical drive. Each logical drive is assigned a drive letter, such as drive C, and contains a file system. Also called a volume. |
Multitasking | Doing more than one thing at a time. A true multitasking system requires two or more CPUs, each processing a different thread at the same time. Compare to cooperative multitasking and preemptive multitasking. |
operating system (OS) | Software that controls a computer. An OS controls how system resources are used and provides a user interface, a way of managing hardware and software, and ways to work with files. |
original equipment manufacturer (OEM) license | Software licenses purchased by manufacturers of hardware. |
partition | A division of a hard drive that can be used to hold logical drives. |
path | (1) A drive and list of directories pointing to a file such as C:\Windows\command. (2) The OS command to provide a list of paths to the system for finding program files to execute. |
registry | A database that Windows uses to store hardware and software configuration information, user preferences, and setup information. |
root directory | The main directory created when a hard drive or disk is first formatted. In Linux, it’s indicated by a forward slash. In DOS and Windows, it’s indicated by a backward slash. |
sector | On a disk surface one segment of a track, which almost always contains 512 bytes of data. |
service | A program that runs in the background to support or serve Windows or an application. |
shell | The portion of an OS that relates to the user and to applications. |
shortcut | An icon on the desktop that points to a program that can be executed or to a file or folder. |
startup BIOS | Part of system BIOS that is responsible for controlling the PC when it is first turned on. Startup BIOS gives control over to the OS once it is loaded. |
subdirectory | A directory or folder contained in another directory or folder. Also called a child directory or folder. |
system BIOS | The bus between the CPU and memory on the motherboard. The bus frequency in documentation is called the system speed, such as 400 MHz. Also called the memory bus, front-side bus, local bus, or host bus. |
system tray | An area to the right of the taskbar hat holds the icons for running services; these services include the volume control and network connectivity. |
taskbar | A bar normally located at the bottom of the Windows desktop, displaying information about open programs and providing quick access to others. |
thread | A single task |
User Account Control (UAC) dialog box | A new security feature introduced with Windows Vista. |
user mode | A mode by which a subsystem has only limited access to system information and can access hardware only through other OS services. |
Virtual machine | software that creates one or more logical computers on a physical computer. |
volume | Another term for a logical drive. |