Which of the following types of memory storage is known for its speed and durability, often used in modern devices?

Flash memory is known for its high speed and durability, which makes it a popular choice in modern devices like smartphones, tablets, and solid-state drives (SSDs). This type of storage provides quicker read and write times compared to traditional methods, allowing for faster access to data. It is also more resilient to physical shock and environmental conditions, which enhances its reliability and makes it suitable for portable and mobile applications.

In contrast, the other types of memory storage do not offer the same combination of speed and durability. Floppy disks are outdated and significantly slower, optical discs have slower access times compared to flash memory and are more prone to damage, and magnetic tapes, while used for large volume storage, are much slower in access speed and less practical for everyday usage in consumer devices. Thus, flash memory stands out as the superior choice in modern technology for its performance characteristics.