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More Database Systems Related questions:
Under virtual storage,
Options: a single program is processed by two or more CPUs, two or more programs are stored concurrently in primary storage, only the active pages of a program are stored in primary storage, interprogram interference may occur
You run a super wing-ding diagnostic program on your PC, and it reports that your hard drive, microprocessor, RAM, and video card have seen better days. To resolve this problem you should:
Options: replace each part one at a time, rerunning the diagnostic before replacing the next part., check to see if you have a software problem, replace everything at once and rerun the diagnostic, get another copy of the diagnostic program
Options: is a hardware memory device which denotes the location of the current instruction being executed., is a group of electrical circuits (hardware), that performs the intent of instructions fetched from memory., contains the address of the memory location that is to be read from or stored into., contains a copy of the designated memory location specified by the MAR after a "read" or the new contents of the memory prior to a "write".
Options: a background in systems theory and organization behavior, familiarity with the makeup and inner workings of major application areas such as financial accounting, personnel administration, marketing and sales, operations management, model building, and production control., competence in system tools and methodologies and a practical knowledge of one or more programming and data base languages., All of the above
Options: the same job run on two different computer to test their speeds, the processing of two different jobs initiated from two terminals., the concurrent operation of an existing system and a new system, All of the above
. You created a query with two tables that have relationship of One-To-Many with referential rules applied. The first table has 3 records and the second has 8. With using a right outer join, how many records will the resulting recordset have?
Options: a. 5
d. Not enough information to tell
The refresh-vector CRT uses which of the following techniques?
Options: The beam constantly travels across the screen to turn on/off a series of pixels., Makes changes on the image by increasing the anode voltage., Uses an electron gun to continuously flood the surface of the tube., Creates images on the screen by scanning straight-line vectors between selected points.