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:

1950s-1960s computers used vacuum tubes/early transistors, requiring large physical space and having far lower processing speeds compared to modern compact, high-speed computers. The other options are incorrect: they were larger, slower, and extremely expensive.

Answer:

They were bigger and slower.