Answer:a) Mainframes, miniframes, PCs, desktop Internet computing, mobile computing
Explanation: The hierarchy of the computers or computing are in the generation is:-
- Mainframe:-designed for the execution of huge data processing , storage and execution.
- Miniframe:-has similar functioning as the mainframe but on smaller scale and version.
- Personal computer(PC):-It is designed for the individual purpose and according the need of the user.
- Mobile computing:-computing that can be done on the mobile phone similar to the computing on the personal computer
- Internet computing:-the computing of the mobile and computer system with the facility of the internet connectivity.
<span>C. Documents that convey buyers, sellers, and purchases made</span>
<span>Ftp is a network protocol that is utilized to copy and manage files over the internet. </span>FTP<span> is widely </span>used<span> for transferring </span>files<span> between computers </span>over<span> a TCP/IP-based network, such as the </span>Internet<span>.</span>
