A mainframe computer, informally called a mainframe or big iron, is a computer used primarily by large organizations for critical applications like bulk...

IBM mainframes are large computer systems produced by IBM since 1952. During the 1960s and 1970s, IBM dominated the computer market with the 7000 series...

also could include printers or a Braille embosser. A mainframe computer is a much larger computer that typically fills a room and may cost many hundreds...

Mainframe computers are computers used primarily by businesses and academic institutions for large-scale processes. Before personal computers, first termed...

Hybrid computer Harvard architecture Von Neumann architecture Complex instruction set computer Reduced instruction set computer Supercomputer Mainframe computer...

New Jersey, and Florida. The former role of a computer operator was to work with mainframe computers which required a great deal of management day-to-day...

some more obscure computer sizes. There are different sizes like minicomputers, microcomputers, mainframe computers and super computers. These are mainly...

Midrange computers, or midrange systems, were a class of computer systems that fell in between mainframe computers and microcomputers.[failed verification]...

detected sequentially by scanning the X lines. The first computer keyboards were for mainframe computer data terminals and used discrete electronic parts. The...

tape/card readers, like mainframes and unlike most personal computers, but require less space and electrical power than a typical mainframe. This term has fallen...