he main difference between a solid-state drive (SSD) and a hard disk drive (HDD) is(1 point) Responses fragmentation. fragmentation. HDDs are more expensive. HDDs are more expensive. SSD has higher performance. SSD has higher performance. SSDs generate more heat.

The main difference between a solid-state drive (SSD) and a hard disk drive (HDD) is:

- SSDs have higher performance: SSDs use flash memory to store data, which allows for faster access times and data transfer speeds compared to HDDs that use spinning disks and mechanical components.

Other statements mentioned in the provided response are incorrect:

- Fragmentation is not a main difference between SSDs and HDDs. Fragmentation refers to the way data is stored on a drive and how it can affect performance, but it applies to both SSDs and HDDs.
- HDDs are not necessarily more expensive than SSDs. Although SSDs have historically been more expensive per unit of storage, prices have been decreasing, and the cost difference between SSDs and HDDs has narrowed over time.
- SSDs do not generate more heat than HDDs. In fact, SSDs generally produce less heat because they have no moving parts, unlike HDDs which have spinning disks and mechanical components that generate heat during operation.