What were the capabilities of the very first computer?

The term of "very first computer" is kind of ambigious. For me, the very first computer is abacus whose capabilities(?) are clear for sure. There are other classifications such as first personal computer (Altair 8800 is the most acknowledged one), first programmable computer (Colossus), first computer with GUI and so on. read more

) are clear for sure. There are other classifications such as first personal computer (Altair 8800 is the most acknowledged one), first programmable computer (Colossus), first computer with GUI and so on. read more

Many of the computer's capabilities were first demonstrated in The Mother of All Demos by Douglas Engelbart on December 9, 1968. The first microprocessor Intel introduces the first microprocessor, the Intel 4004 on November 15, 1971. read more