Is the bass the cello?

The double bass can also be called the double bass, there is no difference.

The cello is an indispensable tenor or bass string instrument in the orchestra, and is a lower middle-range instrument in the violin family of instruments.

Double bass is the scientific name of the bass. Later, jazz added the double bass, mainly using the plucking technique of the double bass. Later, when electroacoustic music developed, the double bass was also modified to look like an electric guitar. For things like that, they are all tuned the same, with each string 4 degrees apart.