● Which of the following elements can be called the key element of a computer? （71）

（71）A．printer　B．CPU　C．mouseD．keyboard

● The（72）has several major components, including the system kernel, a memory management system, the file system manager, device drivers, and the system libraries.

（72）A. application　B. information system C. operating systemD. iterative

● Which of the following is not part of the quality assurance process? （73）

（73）A．Operational definitions

　B．Quality policy

　C．Quality audits

　D．Quality improvement

● Which of the following is not part of a modern quality management concept? （74）

（74）A．Performance standard is zero defects

　B．Quality must be inspected in

　C．85% of failures occur because of the process, not the worker

　D．Quality is a 4 cycle process – plan/do/check/act

● Each box is an activity; the number it contains is the duration of the activity in days. The duration of the critical path is （75） .

（75）A．16 days　B．14 daysC．19 daysD．20 days

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