Question

Choose all of the items that represent features of early electronic computing.

each customer created their own library of hardware-specific helper files

computer operation often required using mechanical switches and wires

it was efficient and accurate

little human intervention was necessary

the hardware was bulky and expensive

Answer 1

computer operation often required using mechanical switches and wires

the hardware was bulky and expensive

Step-by-step explanation:

Early computing were much slower and bulkier when compared to current standards of computing.

They had smaller memory capacity, required mechanical wires and switched, were large and typically occupied a medium sized room, they also required human input all the time to keep the machines running.