计算机发展的初期，硬件设备极其昂贵，动辄上千万美金。软件功能相对简单。用户购买计算机时，供应商往往免费赠送软件。到了60年代，硬件性能不断提高，价格却大幅度下降。与此相反，软件功能有明显增强，供应商不再免费赠送软件。随着软件功能不断扩充，涉及领域几乎覆盖人 The early days of computer development, hardware equipment is extremely expensive, tens of millions of dollars at every turn. The software function is relatively simple. When users buy computers, vendors often give away free software. By the 1960s, hardware performance continued to increase, but the price dropped significantly. In contrast, software features have been significantly enhanced, and vendors are no longer giving away free software. As software capabilities continue to expand, the areas covered almost cover people