在某工程網(wǎng)絡計劃執(zhí)行過程中，如果某項非關鍵工作實際進度拖延的時間超過其總時差，則（ ）。
A、網(wǎng)絡計劃的計算工期不會改變
B、該項工作的總時差不變
C、該項工作的自由時差不變
D、網(wǎng)絡計劃中關鍵線路改變

《計算機軟件保護條例》規(guī)定：對于在委托開發(fā)軟件活動中，委托者與受委托者沒有簽訂書面協(xié)議，或者在協(xié)議中未對軟件著作權歸屬做出明確的約定，其軟件著作權歸（ ）。
A、委托者所有
B、受委托者所有
C、國家所有
D、軟件開發(fā)者所有

Which of the following elements can be called the key element of a computer? （ ）
A、printer
B、CPU
C、mouse
D、keyboard

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

A、16 days
B、14 days
C、19 days
D、20 days