Download - Going with the Data Flow
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Going with the Data Flow
Mrs. Staniec
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Objectives:
1. Identify the role of the central processing unit. 2. Identify concepts related to computer memory.3. Identify the features and benefits of different
storage media. 4. Identify the types and purposes of standard
input and output devices on desktop and laptop computers.
5. Identify the types and purposes of specialized input and output devices.
6. Identify how hardware devices are connected to and installed on a computer system.
7. Identify how hardware and software interact.
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Phase One: Start Me Up!
Power-on CPU ROM-BIOS (read-only memory – basic input/output
system)
Hardware Test
Load OS
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Data Flow
Interplay among CPU, RAM, Storage
Load from storage
RAM as CPU’s short-term memory
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Operating System Load
CPU loads OS files from hard drive to RAM
Creates a user interface
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Phase Two: The Process
Input Process
Output
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Input Devices
KeyboardMouse
TrackballTouchpad
MicrophoneGame
Devices
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Installing Input Devices
Physical connections DIN ports (keyboard and mouse) USB FireWire
Software support Plug and play Drivers
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Output Devices
Feedback devices Monitor Projectors Speakers Voice synthesizers
Hardcopy Printer
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Output Devices
Storage Devices RAM is temporary storage
Need some other device for long-term storage
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Magnetic Storage Devices
Magnetic Hard drive Floppy disk
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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
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Connecting Output Devices
Physical connections (color-coded)
Install support software (drivers)
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Closing Programs and Shutting Down
Do it the right way:1. Save and close documents2. Close applications3. Log out4. Power down
Avoid corrupting files
Maintain security
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In-class Activity
Complete Chapter 2 Review Questions