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OS Vocabulary

a data set by loftisr
created September 22, 2016
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32-bitA computer architecture that supports at most 32-bit integers, memory addresses, and other data units, limiting integer values to -2,147,483,648 through 2,147,483,647 and memory addresses to 4 GiB (gigabytes or gibibytes).
64-bitA computer architecture that supports at most 64-bit integers, memory addresses, and other data units, limiting integer values to over 18 quintillion and memory addresses to 16 EiB (exbibytes).
AndroidA mobile operating system (OS) based on the Linux kernel and currently developed by Google.
Blackberry OSA proprietary mobile operating system developed by BlackBerry Ltd for its BlackBerry line of smartphone handheld devices.
Chrome OSAn operating system based on the Linux kernel and designed by Google to work with web applications and installed applications, initially designed as a pure web thin client operating system.
cross-platformAn attribute conferred to computer software or computing methods and concepts that are implemented and inter-operate on multiple computer platforms.
device driverA computer program that operates or controls a particular type of device that is attached to a computer.
distroAn operating system made as a collection of software based around the Linux kernel and often around a package management system, typically based on either Red Hat's package manager (rpm and yum) or Debian's package manager (dpkg and apt).
embedded systemA computer system with a dedicated function within a larger mechanical or electrical system, often with real-time computing constraints.
emulatorHardware or software or both that duplicates (or emulates) the functions of one computer system (the guest) in another computer system (the host), different from the first one, so that the emulated behavior closely resembles the behavior of the real system (the guest).
GUI (graphical user interface)A type of interface that allows users to interact with electronic devices through graphical icons and visual indicators such as secondary notation, as opposed to text-based interfaces, typed command labels or text navigation.
iOSA mobile operating system developed by Apple Inc. and distributed exclusively for Apple hardware, including iPods, iPhones, and iPads.
kernelAn operating system component that manages input/output requests from software, and translates them into data processing instructions for the central processing unit and other electronic components of a computer.
legacy systemAn old method, technology, computer system, or application program, of, relating to, or being a previous or outdated computer system.
LinuxA Unix-like computer operating system assembled under the model of free and open-source software development and distribution.
multitaskingA method where multiple tasks, also known as processes, are performed during the same period of time by executing them concurrently rather than sequentially.
open sourceA development model that promotes universal access via a free license to a product's design, blueprint, or source code, and universal redistribution of that design, blueprint or source code, including subsequent improvements to it by anyone.
OS XA series of Unix-based graphical interface operating systems developed and marketed by Apple Inc. designed to run on Mac computers.
package managerA collection of software tools that automates the process of installing, upgrading, configuring, and removing software packages for a computer's operating system in a consistent manner.
pagingA memory management scheme by which a computer stores and retrieves data from the secondary storage for use in main memory.
protected modeAn operational mode of CPUs that allows system software to use features such as virtual memory, paging and safe multi-tasking designed to increase an operating system's control over application software.
virtual memoryA memory management technique that is implemented using both hardware and software that maps memory addresses used by a program, called virtual addresses, into physical addresses in computer memory.
WindowsA metafamily of graphical operating systems developed, marketed, and sold by Microsoft.
x64The 64-bit version of the x86 instruction set, supporting 64-bit addressing and processing, and fully backwards compatible with 16-bit and 32-bit x86 code
x86A family of backward compatible instruction set architectures based on the Intel 8086 through 80486 CPUs supporting 16-bit and 32-bit addressing and processing.
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