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DESQview

Index DESQview

DESQview (DV) was a text mode multitasking operating environment developed by Quarterdeck Office Systems which enjoyed modest popularity in the late 1980s and early 1990s. [1]

55 relations: Bulletin board system, Byte (magazine), Commercial software, Computer multitasking, Computerworld, Context switch, Conventional memory, Digital Research, DOS, DOS memory management, DR-DOS, Dr. Dobb's Journal, EMM386, Expanded memory, Extended memory, Graphical user interface, IBM, IBM TopView, Intel, Intel 80286, Intel 80386, Intel 8086, Internet, Internet protocol suite, John Wiley & Sons, Lotus Software, Microsoft, Microsoft Windows, Mosaic (web browser), Motif Window Manager, MS-DOS, Network Computing Devices, Novell, OPEN LOOK, Operating environment, Operating system, P5 (microarchitecture), PcAnywhere, Proprietary software, Protected mode, QEMM, Quarterdeck Office Systems, RAM limit, Real mode, Symantec, Text mode, Twm, Unix, Upper memory area, Virtual 8086 mode, ..., Window (computing), Windowing system, Windows 3.1x, Windows 98, X Window System. Expand index (5 more) »

Bulletin board system

A bulletin board system or BBS (also called Computer Bulletin Board Service, CBBS) is a computer server running software that allows users to connect to the system using a terminal program.

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Byte (magazine)

Byte was an American microcomputer magazine, influential in the late 1970s and throughout the 1980s because of its wide-ranging editorial coverage.

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Commercial software

Commercial software, or seldom payware, is computer software that is produced for sale or that serves commercial purposes.

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Computer multitasking

In computing, multitasking is the concurrent execution of multiple tasks (also known as processes) over a certain period of time.

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Computerworld

Computerworld is a publication website and digital magazine for information technology (IT) and business technology professionals.

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Context switch

In computing, a context switch is the process of storing the state of a process or of a thread, so that it can be restored and execution resumed from the same point later.

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Conventional memory

In DOS memory management, conventional memory, also called base memory, is the first 640 kilobytes of the memory on IBM PC or compatible systems.

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Digital Research

Digital Research, Inc. (also known as DR or DRI) was a company created by Gary Kildall to market and develop his CP/M operating system and related 8-bit, 16-bit and 32-bit systems like MP/M, Concurrent DOS, Multiuser DOS, DOS Plus, DR DOS and GEM.

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DOS

DOS is a family of disk operating systems.

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DOS memory management

In IBM PC compatible computing, DOS memory management refers to software and techniques employed to give applications access to more than 640 kibibytes (640*1024 bytes) (kiB) of "conventional memory".

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DR-DOS

DR-DOS (DR DOS, without hyphen up to and including version 6.0) is an operating system of the DOS family, written for IBM PC-compatible personal computers.

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Dr. Dobb's Journal

Dr.

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EMM386

The name EMM386 was used for the expanded memory managers of both Microsoft's MS-DOS and Digital Research's DR-DOS, which created expanded memory using extended memory on Intel 80386 CPUs.

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Expanded memory

In DOS memory management, expanded memory is a system of bank switching that provided additional memory to DOS programs beyond the limit of conventional memory (640 KB).

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Extended memory

In DOS memory management, extended memory refers to memory above the first megabyte (220 bytes) of address space in an IBM PC or compatible with an 80286 or later processor.

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Graphical user interface

The graphical user interface (GUI), is a type of user interface that allows users to interact with electronic devices through graphical icons and visual indicators such as secondary notation, instead of text-based user interfaces, typed command labels or text navigation.

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IBM

The International Business Machines Corporation (IBM) is an American multinational technology company headquartered in Armonk, New York, United States, with operations in over 170 countries.

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IBM TopView

TopView is a text-mode PC DOS multitasking, object-oriented windowing environment written by IBM, announced in August 1984 and shipped in March 1985.

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Intel

Intel Corporation (stylized as intel) is an American multinational corporation and technology company headquartered in Santa Clara, California, in the Silicon Valley.

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Intel 80286

The Intel 80286 (also marketed as the iAPX 286 and often called Intel 286) is a 16-bit microprocessor that was introduced on 1 February 1982.

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Intel 80386

The Intel 80386, also known as i386 or just 386, is a 32-bit microprocessor introduced in 1985.

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Intel 8086

The 8086 (also called iAPX 86) is a 16-bit microprocessor chip designed by Intel between early 1976 and mid-1978, when it was released.

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Internet

The Internet is the global system of interconnected computer networks that use the Internet protocol suite (TCP/IP) to link devices worldwide.

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Internet protocol suite

The Internet protocol suite is the conceptual model and set of communications protocols used on the Internet and similar computer networks.

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John Wiley & Sons

John Wiley & Sons, Inc., also referred to as Wiley, is a global publishing company that specializes in academic publishing.

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Lotus Software

Lotus Software (called Lotus Development Corporation before its acquisition by IBM) was an American software company based in Massachusetts.

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Microsoft

Microsoft Corporation (abbreviated as MS) is an American multinational technology company with headquarters in Redmond, Washington.

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Microsoft Windows

Microsoft Windows is a group of several graphical operating system families, all of which are developed, marketed, and sold by Microsoft.

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Mosaic (web browser)

NCSA Mosaic, or simply Mosaic, is the web browser that popularized the World Wide Web and the Internet.

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Motif Window Manager

In computing, the Motif Window Manager (MWM) is an X window manager based on the Motif toolkit.

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MS-DOS

MS-DOS (acronym for Microsoft Disk Operating System) is an operating system for x86-based personal computers mostly developed by Microsoft.

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Network Computing Devices

Network Computing Devices (NCD) was a company founded in 1987 to produce a new class of products now known as a "thin client".

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Novell

Novell, Inc. was a software and services company headquartered in Provo, Utah.

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OPEN LOOK

OPEN LOOK (sometimes referred to as Open Look) is a graphical user interface (GUI) specification for UNIX workstations.

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Operating environment

In computer software, an operating environment or integrated applications environment is the environment in which users run application software.

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Operating system

An operating system (OS) is system software that manages computer hardware and software resources and provides common services for computer programs.

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P5 (microarchitecture)

The first Pentium microprocessor was introduced by Intel on March 22, 1993.

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PcAnywhere

pcAnywhere was a suite of computer programs by Symantec which allows a user of the pcAnywhere remote program on a computer to connect to a personal computer running the pcAnywhere host if both are connected to interconnected networks and the password is known.

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Proprietary software

Proprietary software is non-free computer software for which the software's publisher or another person retains intellectual property rights—usually copyright of the source code, but sometimes patent rights.

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Protected mode

In computing, protected mode, also called protected virtual address mode, is an operational mode of x86-compatible central processing units (CPUs).

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QEMM

Quarterdeck Expanded Memory Manager (QEMM) is a memory manager produced by Quarterdeck Office Systems in the late 1980s through late 1990s.

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Quarterdeck Office Systems

Quarterdeck Office Systems, later Quarterdeck Corporation (NASDAQ: QDEK), was an American computer software company.

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RAM limit

In electronic digital computers, there are different limitations on the usable memory address space.

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Real mode

Real mode, also called real address mode, is an operating mode of all x86-compatible CPUs.

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Symantec

Symantec Corporation (commonly known as Symantec) is an American software company headquartered in Mountain View, California, United States.

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Text mode

Text mode is a computer display mode in which content is internally represented on a computer screen in terms of characters rather than individual pixels.

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Twm

twm (Tab Window Manager) is a window manager for the X Window System.

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Unix

Unix (trademarked as UNIX) is a family of multitasking, multiuser computer operating systems that derive from the original AT&T Unix, development starting in the 1970s at the Bell Labs research center by Ken Thompson, Dennis Ritchie, and others.

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Upper memory area

In DOS memory management, the upper memory area (UMA) refers to memory between the addresses of 640 KB and 1024 KB (0xA0000–0xFFFFF) in an IBM PC or compatible.

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Virtual 8086 mode

In the 80386 microprocessor and later, virtual 8086 mode (also called virtual real mode, V86-mode or VM86) allows the execution of real mode applications that are incapable of running directly in protected mode while the processor is running a protected mode operating system.

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Window (computing)

In computing, a window is a graphical control element.

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Windowing system

In computing, a windowing system (or window system) is software that manages separately different parts of display screens.

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Windows 3.1x

Windows 3.1x (codenamed Janus) is a series of 16-bit operating environments produced by Microsoft for use on personal computers.

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Windows 98

Windows 98 (codenamed Memphis while in development) is a graphical operating system by Microsoft.

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X Window System

The X Window System (X11, or shortened to simply X) is a windowing system for bitmap displays, common on UNIX-like computer operating systems.

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References

[1] https://en.wikipedia.org/wiki/DESQview

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