Going with the data flow
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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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Going with the data flow

Going with the Data Flow

Mrs. Staniec


Objectives

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.


Phase one start me up

Phase One: Start Me Up!

  • Power-on

    • CPU

    • ROM-BIOS (read-only memory – basic input/output system)

  • Hardware Test

  • Load OS


Data flow

Data Flow

Interplay among CPU, RAM, Storage

Load from storage

RAM as CPU’s short-term memory


Operating system load

Operating System Load

CPU loads OS files from hard drive to RAM

Creates a user interface


Phase two the process

Phase Two: The Process


Input devices

Input Devices

  • Keyboard

  • Mouse

  • Trackball

  • Touchpad

  • Microphone

  • Game Devices


Installing input devices

Installing Input Devices

  • Physical connections

    • DIN ports (keyboard and mouse)

    • USB

    • FireWire

  • Software support

    • Plug and play

    • Drivers


Output devices

Output Devices

  • Feedback devices

    • Monitor

    • Projectors

    • Speakers

    • Voice synthesizers

  • Hardcopy

    • Printer


Output devices1

Output Devices

  • Storage Devices

    • RAM is temporary storage

    • Need some other device for long-term storage


Magnetic storage devices

Magnetic Storage Devices

  • Magnetic

    • Hard drive

    • Floppy disk


Optical storage devices

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


Connecting output devices

Connecting Output Devices

Physical connections (color-coded)

Install support software (drivers)


Closing programs and shutting down

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


  • In class activity

    In-class Activity

    Complete Chapter 2 Review Questions


  • Login