What is a mainframe?
A mainframe is the central data repository, or hub , in a corporation's data processing center, linked to users through less powerful devices such as workstations or terminals.
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.
### Instruction: What is a mainframe?
### Input: 
### Response: A mainframe is the central data repository, or hub , in a corporation's data processing center, linked to users through less powerful devices such as workstations or terminals.