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storage - Coggle Diagram
storage
• Optical disc is a storage media that consists of flat, round, portable disc made of metal, plastic and lacquer that is written and read by a laser.
• Types of optical disc are: i. Compact Disc (CD) ii. Digital Video Disc (DVD) iii. Blu-ray Disc (BD)
Compact Disc (CD) • A type of optical disc used to store data, songs, drivers, and program files. • Types of CD: a) CD-ROM b) CD-R c) CD-RW
ii. Digital Video Disc (DVD) • Used mainly as video and data storage. • Holds over 7 times a CD’s capacity. • Types of DVD are : a) DVD-ROM b) DVD-R c) DVD-RW
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Function: • Storage device that contains one or more inflexible, circular platters that use magnetic particles to store data, instructions and information.
Characteristics: • High-capacity storage. • Components enclosed in airtight, sealed case for protection.
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Function: • A storage device that uses flash memory to store data, instructions and information.
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• Flash memory storage is a storage media that uses solid-state chip that maintains stored data without any external power source.
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definition storage : Storage holds data, instructions and information for
future use.
Definition of storage capacity: Capacity is the number of bytes (characters) a storage
medium can hold
Definition of storage device: Hardware that records and/or retrieves items to and
from storage media.
Definition of storage media (secondary storage): The physical material on which a computer keeps data,
information, programs and applications
Types of storage media: 1. Hard Disks
- Solid State Drives
- USB Flash Drives
- Memory Cards
- Optical Discs