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Going with the Data Flow

Going with the Data Flow. Mrs. Staniec. Objectives:. Identify the role of the central processing unit. Identify concepts related to computer memory. Identify the features and benefits of different storage media.

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Going with the Data Flow

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  1. Going with the Data Flow Mrs. Staniec

  2. Objectives: Identify the role of the central processing unit. Identify concepts related to computer memory. Identify the features and benefits of different storage media. Identify the types and purposes of standard input and output devices on desktop and laptop computers. Identify the types and purposes of specialized input and output devices. Identify how hardware devices are connected to and installed on a computer system. Identify how hardware and software interact.

  3. Phase One: Start Me Up! • Power-on • CPU • ROM-BIOS (read-only memory – basic input/output system) • Hardware Test • Load OS

  4. Data Flow Interplay among CPU, RAM, Storage Load from storage RAM as CPU’s short-term memory

  5. Operating System Load CPU loads OS files from hard drive to RAM Creates a user interface

  6. Phase Two: The Process

  7. Input Devices • Keyboard • Mouse • Trackball • Touchpad • Microphone • Game Devices

  8. Installing Input Devices • Physical connections • DIN ports (keyboard and mouse) • USB • FireWire • Software support • Plug and play • Drivers

  9. Output Devices • Feedback devices • Monitor • Projectors • Speakers • Voice synthesizers • Hardcopy • Printer

  10. Output Devices • Storage Devices • RAM is temporary storage • Need some other device for long-term storage

  11. Magnetic Storage Devices • Magnetic • Hard drive • Floppy disk

  12. Optical Storage Devices • CD-media • CD-ROM • CD-R • CD-RW • DVD-media • DVD-ROM • DVD-R • DVD±RW • Blu-ray Discs • BD-R • BD-RE

  13. Connecting Output Devices Physical connections (color-coded) Install support software (drivers)

  14. Closing Programs and Shutting Down • Do it the right way: • Save and close documents • Close applications • Log out • Power down • Avoid corrupting files • Maintain security

  15. In-class Activity Complete Chapter 2 Review Questions

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