Computing

Computing is the activity of developing and using computer technology, including computer hardware and software. It is the computer-specific part of information technology. Computer science is the study of the theoretical foundations of computing and the application of the theories in computing.

[Site] Computing.net
Contains forums dedicated to technical support issues regarding Windows, MS-DOS, Unix, Macintosh, and OS/2.
www.computing.net

Computing Curricula 2005The Joint Task Force for Computing Curricula 2005. Computing Curricula 2005: The Overview Report (pdf) defined computing:

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In a general way, we can define computing to mean any goal-oriented activity requiring, benefiting from, or creating computers. Thus, computing includes designing and building hardware and software systems for a wide range of purposes; processing, structuring, and managing various kinds of information; doing scientific studies using computers; making computer systems behave intelligently; creating and using communications and entertainment media; finding and gathering information relevant to any particular purpose, and so on. The list is virtually endless, and the possibilities are vast.

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A few of the Servers and other computers at the computing center at the CERN, the home of the www.

Definitions

The term computing has sometimes been narrowly defined, as in a 1989 ACM report on Computing as a Discipline Computing as a Discipline (pdf):
The discipline of computing is the systematic study of algorithmic processes that describe and transform information: their theory, analysis, design, efficiency, implementation, and application. The fundamental question underlying all computing is 'What can be (efficiently) automated?'

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Computing Curricula 2005 also recognizes that the meaning of computing depends on the context:

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Computing also has other meanings that are more specific, based on the context in which the term is used. For example, an information systems specialist will view computing somewhat differently from a software engineer. Regardless of the context, doing computing well can be complicated and difficult. Because society needs people to do computing well, we must think of computing not only as a profession but also as a discipline.

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The term computing is also synonymous with counting and calculating. In earlier times it was used in reference to mechanical computing machines.

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Science and theory

  • Computer science
  • Theory of computation
  • Computational models
  • Digital Bibliography & Library Project, as of July 2007, lists over 910 000 bibliographic entries on computer science and several thousand links to the home pages of computer scientists
  • Scientific computing
  • Metacomputing

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Hardware

See information processor for a high-level block diagram.
  • Computer
  • Computer hardware
  • Computer Hardware Design
  • Computer network
  • Computer system
  • History of computing hardware

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Instruction-level taxonomies

After the commoditization of memory, attention turned to optimizing CPU performance at the instruction level. Various methods of speeding up the fetch-execute cycle include:
  • designing instruction set architectures with simpler, faster instructions: RISC as opposed to CISC
  • Superscalar instruction execution
  • VLIW architectures, which make parallelism explicit

[Image]
Broadwick St in Soho, offices of VNU Incisive... publishers of Computing magazine

Software

  • Software engineering
  • Computer programming
  • Computational
  • Software patent
  • Firmware
  • Operating systems
  • Application Software
    • Databases
    • Geographic information system
    • Spreadsheet
    • Word processor
  • Programming languages
    • interpreter
    • compilers
  • Speech recognition

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History of computing

  • History of computing hardware from the tally stick to the quantum computer
  • History of computer science
  • Punch Card
  • Unit record equipment
  • IBM 700/7000 series
  • IBM 1400 series
  • System/360
  • Early IBM disk storage

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Business computing

  • Accounting software
  • Computer-aided design
  • Computer-aided manufacturing
  • Computer-assisted dispatch
  • Customer relationship management
  • Data warehouse
  • Decision support system
  • Electronic data processing
  • Enterprise resource planning
  • Geographic information system
  • Management information system
  • Material requirements planning
  • Strategic enterprise management
  • Supply chain management
  • Product Lifecycle Management
  • Utility Computing

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Human factors

  • Accessible computing
  • Human-computer interaction
  • Human-centered computing

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Computer network

Wired and wireless computer network

  • Types
    • Wide Area Network
    • Metropolitan Area Network
    • City Area Network
    • Village Area Network
    • Local Area Network
      • Wireless Local Area Network
  • Mesh networking
  • Collaborative workspace
  • Internet
  • Network Management

[Site] Association for Computing Machinery (ACM)
The world's first educational and scientific computing society for professionals and students.
www.acm.org

Computing technology based wireless networking (CbWN)

The main of goal of CbWN is to optimize the system performance of the flexible wireless network.

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  • Source coding
    • Codebook design for side information based transmission techniques such as Precoding
    • Wyner-Ziv coding for Cooperative wireless communications

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FCC Photos for Print Tuesday, October 18, 2005 10:35 PM dir FCC Photoshoot Friday, July 28, 2000 2:58 PM 1254798 FCC1 Computing.jpg Tuesday, October 18, 2005 10:35 PM dir FCC1 Remodeling Photos Friday, July 28, 2000 2:53 PM 917094

  • Security
    • Dirty paper coding for cooperative multiple antenna or user precoding

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  • Intelligence
    • Game theory for wireless networking
    • Cognitive communications
    • Flexible sectorization, Beamforming and SDMA

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  • Software
    • Software defined radio
    • Programmable air-interface
    • Downloadble algorithm: e.g., downloadble codebook for Precoding

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Computer security

  • Cryptology - cryptography - information theory
  • Cracking - demon dialing - Hacking - war dialing - war driving
  • Social engineering - Dumpster diving
  • Physical security - Black bag job
  • Computer insecurity
  • Computer surveillance
  • Defensive programming
  • Malware
  • Security engineering

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Data

Numeric data

  • integral data types - bit, byte, etc.
  • real data types:
    • Floating point (Single precision, Double precision, etc.)
    • Fixed point
    • Rational number
  • Decimal
    • Binary-coded decimal (BCD)
    • Excess-3 BCD (XS-3)
    • Biquinary-coded decimal
  • representation: Binary - Octal - Decimal - Hexadecimal (hex)
  • Computer mathematics - Computer numbering formats -

[Site] Penn Computing
Central and School computing organizations, special interest groups, clubs ... Information Systems and Computing. University of Pennsylvania. Comments & Questions ...
www.upenn.edu/computing

Character data

  • storage: Character - String - Plain text
    • representation: ASCII - Unicode - Multibyte - EBCDIC (Widecharacter, Multicharacter) - Fieldata - Baudot

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Other data topics

  • Data compression
  • Digital signal processing
  • Image processing
  • Indexed
  • Data management
  • Routing

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computing history panels 1.jpg

Mechatronics

  • Punch card
  • Key punch
  • Unit record equipment
Data Protection Act

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Classes of computers

  • Analog computer
  • Calculator
  • Desktop computer
  • Desktop replacement computer
  • Digital computer
  • Embedded computer
  • Home computer
  • Laptop
  • Mainframe
  • Minicomputer
  • Microcomputer
  • Personal computer
  • Portable computer
  • Personal digital assistant (aka PDA, or Handheld computer)
  • Programmable logic controller or PLC
  • Server
  • Supercomputer
  • Tablet PC
  • Video game console
  • Workstation

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Companies - current

  • Apple
  • Avaya
  • Dell
  • Fujitsu
  • Gateway Computers
  • Groupe Bull
  • Hewlett-Packard
  • Hitachi, Ltd.
  • Intel Corporation
  • IBM
  • Lenovo
  • Microsoft
  • NEC Corporation
  • Novell
  • Panasonic
  • Red Hat
  • Silicon Graphics
  • Sun Microsystems
  • Tek Panel
  • Unisys

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Computers are as important to modern scientists as test tubes, but we know surprisingly little about how scientists develop and use software in their research. To find out, the University of Toronto, Simula Research Laboratory, ...

Companies - historic

  • Acorn, bought by Olivetti
  • Bendix Corporation
  • Burroughs Corporation, merged with Sperry to become Unisys
  • Compaq, bought by Hewlett-Packard
  • Control Data
  • Cray
  • Data General
  • Digital Equipment Corporation, bought by Compaq, in turn bought by Hewlett-Packard
  • Digital Research - a software company for the early microprocessor-based computers
  • English Electric Company
  • Ferranti
  • General Electric, computer division bought by Honeywell, then Bull
  • Honeywell, computer division bought by Bull
  • ICL
  • Leo
  • Lisp Machines, Inc.
  • Marconi
  • Nixdorf Computer, bought by Siemens
  • Olivetti
  • Osborne
  • Packard Bell
  • Prime Computer
  • Raytheon
  • Redifon became Rediffusion then ROCC
  • Royal McBee
  • RCA
  • Scientific Data Systems, sold to Xerox
  • Siemens
  • Sinclair Research, created the ZX Spectrum, ZX80 and ZX81
  • Sperry, which bought UNIVAC, and later merged with Burroughs to become Unisys
  • Symbolics
  • UNIVAC
  • Varian Data Machines, a division of Varian Associates which was bought by Sperry
  • Wang

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Organizations

Professional

  • Association for Computing Machinery (ACM)
  • Association for Survey Computing (ASC)
  • British Computer Society (BCS)
  • Canadian Information Processing Society (CIPS)
  • Computer Measurement Group (CMG)
  • Institute of Electrical and Electronics Engineers (IEEE), in particular the IEEE Computer Society
  • Institution of Electrical Engineers
  • International Electrotechnical Commission (IEC)

[Site] Georgia Institute of Technology (Georgia Tech) - College of Computing
Includes administratrion, affiliates, academic programs, ... School of Interactive Computing. Computational Science & Engineering. Rankings, Stats & Awards ...
www.cc.gatech.edu

Standards bodies

See also: Standardization and Standards organization

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  • International Electrotechnical Commission (IEC)
  • International Organization for Standardization (ISO)
  • Institute of Electrical and Electronics Engineers (IEEE)
  • Internet Engineering Task Force (IETF)
  • World Wide Web Consortium (W3C)

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Tuesday, October 18, 2005 10:35 PM dir ACPMAPS Friday, July 28, 2000 2:32 PM 648152 BSS Computing.jpg Friday, July 28, 2000 2:33 PM 939453 CDF RunI Central Unix.jpg Friday, July 28, 2000 2:35 PM 823748

Open standards

See also Open standard

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