Liu worked on the development of the Number 757 mainframe computer. This effect was supposedly augmented by external generators linked to his mainframe computer. Comshare specialised in software development and resale of redundant operational time on mainframe computer systems. Equipment is available that accepts a data stream from a mainframe computer. The 1970s was also the era of mainframe computer games. He created the animation on an IBM 7090 mainframe computer. It originated in 1950s in mainframe computer operating systems. There are different sizes like-mini computers, microcomputer, mainframe computer and super computer. Ty plans to use Leedy to hack into the DEA mainframe computer in Washington, D.C. Most of the software resides on an IBM mainframe computer. Microsoft's software development was done on a DEC PDP-10 mainframe computer system. These computer terminals were clients of the time-sharing mainframe computer. They could simulate a 50 MOSFET circuit on an IBM 370/165 mainframe computer. The late 1950s, 1960s and 1970s also saw the development of large mainframe computer synthesis. Motorola's engineers could run analog and digital simulations on an IBM 370-165 mainframe computer.