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:

Computers in the 1950s and 1960s used large - scale vacuum tubes and other bulky components, making them physically large. Also, their processing speeds were much lower compared to modern computers with advanced microprocessors.

Answer:

D. They were bigger and slower.