Secondary Storage

Description

GCSE Computer Science (Memory) Mind Map on Secondary Storage, created by Lyssa Badger on 21/05/2015.
Lyssa Badger
Mind Map by Lyssa Badger, updated more than 1 year ago
Lyssa Badger
Created by Lyssa Badger over 9 years ago
35
2

Resource summary

Secondary Storage
  1. Magnetic
    1. Internal Hard Disk
      1. Large Capacity
        1. Fast Access Speeds
          1. Portability: Heavy and not designed to be carried around. Requires integrating into computer systems
            1. Quite reliable but can crash. Can be damaged by magnets (Durability and Reliability)
            2. Portable Hard Disk
              1. Large Capacity
                1. Medium-Fast access speeds
                  1. Medium weight for portability
                    1. Quite reliable but can crash. Can be damaged by laptops(Durability)
                    2. Floppy Disk
                      1. Can be snapped. Can be damaged by strong magnets or heat (Durability and Reliability)
                        1. Small Capacity
                          1. Slow Access Speeds
                            1. Portability: Lightweight and flat
                          2. Solid State
                            1. Flash Drive (USB or memory stick)
                              1. Medium/Large Capacity
                                1. Medium-Fast access speeds
                                  1. Portability: Lightweight and small
                                    1. Not affected by magnets. Quite hardy. Can be dropped without damaging contents (Durability and reliability)
                                  2. Optical
                                    1. CD
                                      1. Medium Capacity
                                        1. Fast access speeds
                                          1. Portability: Lightweight and flat
                                            1. Easily scratched and will not work. Can only be written to once(Durability and reliability)
                                            2. Blu-ray Disc
                                              1. Large Capcity
                                                1. Fast Access Speeds
                                                  1. Portability: Lightweight and Flat
                                                    1. Easily scratched and will not work (Durability and Reliability)
                                                    2. DVD
                                                      1. Portability: Lightweight and flat
                                                        1. Easily scratched and will not work (Durability and Reliability)
                                                          1. Large Capacity
                                                            1. Fast Access Speeds
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