21.29 When translating a virtual address, Windows XP adds the value in the ________ to the first portion of the virtual address—this value serves as the index into the ________. It adds the value at this index to the second portion of the virtual address—this value serves as the index into the ________. Windows XP uses the value at this index to determine which virtual page is being referenced. Once the page is loaded, Windows XP uses the final portion of the virtual address to determine the offset within the page frame to locate the requested data.
a) page directory register; page directory table; page table
b) page directory register; page table; page directory table
c) page directory table; page table; page directory register
d) page table; page directory table; page directory register
a) page directory register; page directory table; page table
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A good reason to pass a structure as a constant reference is
a. to prevent changes to the structure's members b. to ensure changes to the structure's members c. to slow down the function's execution which helps prevent errors d. to speed up the function's modification of the structure's members e. None of these
Which of the following professional organizations has a strong focus on programming and systems development?
A) Association of Information Technology Professionals (AITP) B) Association for Computing Machinery (ACM) C) Association for Information Systems (AIS) D) Institute of Electrical and Electronics Engineers (IEEE)
A key reason to implement DFS is because it can make DNS service more reliable
a. true b. false
Answer the following statements true (T) or false (F)
1. Every business uses one or more systems to produce its end products or services. 2. In a computer-based information system, some procedures are performed by a computer. 3. A requirements document should state what needs to be done by a system, but not how to do it. 4. An object-oriented approach to design emphasizes processes. 5. It is just as useless to solve the wrong problem correctly as it is to solve the right problem incorrectly.