A small, lightweight, portable microcomputer with an attached flat screen.

A single-user computer that comes in many forms, such as a desktop model, a portable laptop/notebook, or a handheld computer; also called a personal computer.

A system that uses marks or sticks for counting

A midsize, multi-user computer, more powerful than a workstation or personal computer but less powerful than a mainframe computer.

Wooden or cardboard pieces with punched holes in predefined positions; used to store in process information in early calculating and computer devices.