A.......... is a large and expensive computer capable of simultaneous processing data for hundreds or thousands of users.
Verified Answer
A. handheld computer
B. mainframe computer
C. personal computer
D. tablet computer
E. None of these
Explanation:
A mainframe computer is a large, expensive, and powerful computer system capable of simultaneously processing vast amounts of data and supporting hundreds or thousands of users. They are primarily used by large organizations for critical applications, bulk data processing, and transaction processing. Handheld, personal, and tablet computers are single-user devices.