Question

how were computers in the 1950s and 1960s different from computers of today?
they were much smaller.
they were much faster.
they cost less money
they were bigger and slower.

Explanation:

In the 1950s and 1960s, computers used large - scale vacuum tubes and other bulky components, making them physically large. Also, their processing power was limited compared to modern computers, so they were slower.

Answer:

D. They were bigger and slower.