Originally Answered: What is the difference between tumour and cancer? A tumor can be benign or cancerous. A benign (non cancerous) tumor is a mass of cells that lacks the ability to invade neighboring tissue.
While portable slim hard drives are meant for carrying around in a backpack or laptop bag, all but the largest 32 TB and 64 TB external hard drives (featured here above) are still small enough for easy transport in a backpack or briefcase.
Windows, however, sticks to the 1024 rule, which means it sees a 250GB hard drive as 232GB, and a 1TB drive as 931GB. This explains why hard drives appear to have a lower capacity than advertised. A 1TB hard drive has the capacity to store 1,000,000,000,000 bytes.