[商管] [計概] 計概

[koehie (開喜烏龍茶)]

1. Which of the following addresses the concern of controlling simultaneous

   updates to the same dataset in DBMS ? (A) Atomicity (B) Isolation

   (C) Duration (D) Concurrency (E) Consistency


2. Preemptive multitasking:

   (A) means that all open programs will shut down if one of the programs

       stops working.

   (B) is available in older versions of Microsoft Windows.

   (C) allows you to save your work and close the program if the program

       crashes.

   (D) returns control to the operating system if an application stop working.


3. Which of the following (A-D) is wrong ? (A) HTML is a markup language for

   content presentation (B) XML is a makeup language for describing content

   (C) tags in HTML are predefined (D) you can define your own tags in XML

   (E) none of the above

請問以上這三題該如何解答呢 ? 謝謝。

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