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What is the difference between digital and hybrid computers?

Digital Computer
A Digital Computer, as its name implies, works with digits to represent numerals, letters or other special symbols. Digital Computers operate on inputs and outputs which are in the form of ON-OFF signal. Normally, an ON is represented by a 1 and an OFF is represented by a 0.

Hybrid Computer
A hybrid is a combination of digital and analog computers. It combines the best features of both types of computers, i-e. It has the speed of analog computer and the memory and accuracy of digital computer. Hybrid computers are used mainly in specialized applications where both kinds of data need to be processed.