Before revision: For example, the IBM PC, Inventions That Built the Information Technology Revolution by Rhys McCarney "IBM CEO John Opel decided to use an open architecture" Amiga 500Computer History: From The Antikythera Mechanism To The Modern Era on tomshardware.com by Aris Mpitziopoulos "Amiga was one of the first computers with an open architecture.
After revision: For example, the IBM PC, Amiga 500Computer History: From The Antikythera Mechanism To The Modern Era on tomshardware.com by Aris Mpitziopoulos "Amiga was one of the first computers with an open architecture.