What are you looking for? "Oldest" needs clarification.
Also what kind: digital, analog, hybrid; electronic, electromechanical, mechanical?
analog
Abacus
IBM oldest computer company
Charles Babbage
The Intel 8088.
a grandfather file is the oldest file on the computer...
it was made by an apple and window........
hardware, computing language
Floppy discs :-P
there isn`t a exact age
oldest person in bharti axa Mr. dhananjay Ojha invent the 1st Computer.
The first Macintosh computer from Apple was introduced in 1984.