Download - Input, Output and Storage Devices
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COMPUTER IN EDUCATIONGE115
REVIEW ABOUT1.INPUT
2.OUTPUT3. STORAGE DEVICES
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COMPUTER WORKING FLOWInput Process Output
Storage
Primary Storage Secondary Storage
-RAM-ROM-EPROM
-DVD-Hard Disk-USB Flash Drive- yada, yada, yada
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INPUTAny hardware component that allow you to enter data and instruction into a computer.Each component has it own usageE.g. :
keyboard mouse
digital camera
microphone
scanner
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OUTPUTAny hardware component that convey information to one or more people.Each component also has it own usageE.g. :
monitor plotterprinter
projector speakers portable media player
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STORAGE DEVICES
Holds data, instruction and information for future use.Holds all these permanently.Can be divided into 1. Primary storage 2. Secondary storage
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Primary StorageHas 3 main part
i ) RAM ( Random Access Memory)ii ) ROM ( Read-Only Memory )iii ) EPROM
ROM EPROMRAM
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Secondary Storage
floppy disk hard disk memory cards
USB flash drive DVD CD
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