Computer

Memory

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Memory

Primary Secondary

RAM ROM Floppy Disc

Hard Disc

CD ROM

RAM(Random Access Memory)

ROM(Read Only Memory)

Floppy Disks

Floppy Disks

Parts ofA

Floppy Disk

Parts of AFloppy Disk

Compact Disk Drive and

Compact Disk-Read only memory

Compact

Disk Drive

Universal Serial BusMemory sticks

(Pen Drives)

Hard Disk Drives

Hard Disk Drives

Hard Disk Drives

Hard Disk Drives(Internal structure)

Assembling of Hard Disk Drive

Hard Disk Drives(Internal structure)

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