Mainframe
device · 1964 · Digital age
A large computer for organizations (IBM System/360).
What it is made of
- Magnetic-core memory — has part. Magnetic-core memory.
- Integrated circuit — has part. The hybrid circuits of the System/360.
Principles and materials it uses
- Punched card — uses. Programs were entered on punched cards.
- Silicon — is made of. The chips are silicon.
- Steel — is made of. The cabinets are steel.
Where it is used
- Time-sharing — is used in. Multi-user mainframes.
- Virtualization — is used in. IBM mainframes.
History: what it evolved from and what it influenced
- Hollerith tabulator — evolved from. IBM grew out of Hollerith’s company.