Introduction to Information Technology

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Author:
Anonymous
ID:
278257
Filename:
Introduction to Information Technology
Updated:
2014-07-06 08:14:08
Tags:
Information Technology
Folders:
IT
Description:
Chapter 1
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  1. electronic calculating machine that accepts input data, processes it and produces the resultant output information, and stores information
    Computer
  2. list of internal instructions
    programs
  3. where computer was originated
    Abacus
  4. Computers were developed and were designed initially for
    military and governmental uses
  5. developed microprocessor/  worked for Intel
    Dr. Ted Hoff
  6. built the first Apple computer
    Steve Jobs and Steve Wozniak
  7. worked with IBM to develop the disc operating system for the IBM PC
    Bill Gates
  8. utilized punch cards as the main storage medium and designed for a specific task
    First Generation Computers
  9. Used binary codes of "Machine Language"
    First Generation Computers
  10. Development of the "transistor"
    Second Generation
  11. Used Assembly Language
    Second Generation
  12. smaller size and increased reliability
    transistor
  13. process in which numerous electronic components are brought together to compose a system unit
    Integration
  14. Integration
    Third Generation
  15. Development of user-friendly software packages
    Fourth Generation
  16. Computers that can understand human speech, can recognize patters like faces and other complex images
    Fifth Generation
  17. BENEFITS OF USING COMPUTERS
    • Speed
    • Reliability
    • Accuracy
    • Storage
    • Communications
  18. DISADVANTAGES OF COMPUTERS
    • environmental impact and pollution
    • violation of privacy
    • identity theft
    • health risks
    • outsourcing of jobs to foreign countries
  19. CLASSIFICATION OF COMPUTERS
    • Special-purpose computers
    • General-purpose computers
  20. are used to control other objects such as telephones, appliances, and scientific experiments
    Special-purpose computers
  21. are based on size, function, cost, and performance
    General-purpose computers
  22. General-purpose computers
    • desktop
    • mobile
    • midrange
    • mainframe
    • super computers
  23. DIFFERENT TYPES OF COMPUTERS
    • Desktop and notebook
    • Server
    • Mobile devices
    • Embedded Computers
    • Supercomputers
    • Mainframe
  24. COMPUTER COMPONENTS
    • Software
    • Hardware
    • Peopleware
  25. comprises of computer programs, support modules, and data modules that work together in order to provide a computer with the instructions and data necessary for carrying out a specific type of task
    SOFTWARE
  26. Two basic types of software
    • Application software
    • System software
  27. a small image that represents a file, command, or another computer function
    icon
  28. Tangible parts of computers
    HARDWARE
  29. Hardware is composed of
    • System unit
    • Input devices
    • Output devices
    • Storage devices
    • Communication devices
  30. who are the peopleware?
    • developer
    • programmer
    • end user
  31. the symbols that represent people, events, things, and ideas
    Data
  32. data presented in a format that people could understand and use
    Information
  33. a named collection of data that exists on a storage medium
    File
  34. the technology that enables computers to communicate with each other and other devices
    Electronic communication
  35. A collection of computers that are connected to share information
    Network
  36. Computers on a network are called
    nodes or clients
  37. are the computers that allocate resources on a network
    Servers
  38. The largest computer system in the world
    INTERNET
  39. Consists of thousands of connected networks around the world
    INTERNET
  40. The information superhighway or cyberspace
    INTERNET
  41. A network made up of lots of interconnected networks
    INTERNET

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