Software______focuses on three attributes of the program：software architecture，data structure，and procedural detail．A．analysisB．designC．installationD．UpgradeA．B．C．D．
Software______focuses on three attributes of the program：software architecture，data structure，and procedural detail．
A．analysis
B．design
C．installation
D．Upgrade
A．
B．
C．
D．
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随着计算机技术及应用的发展，计算机程序也经历了从计算机程序（Program），到计算机软件（Software），到计算机应用（Application）的发展变化，简述你对计算机程序概念发展的理解。
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