There are 65,536 possible TCP/UDP ports. Ports 1–1023 are called which of the following?
What will be an ideal response?
well-known or reserved ports
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In the declaration statement below, ____ acts as an object handle.Scanner keyboard = new Scanner( System.in );
A. Scanner B. keyboard C. new D. System.in
When compiling a class’s source code file (which does not contain a main function), the information in the class’s header file is used for all of the following, except:
a. Ensuring that the header of each member function matches its prototype. b. Ensuring that each member function knows about the class’s data members and other member functions. c. Determining the correct amount of memory to allocate for each object of the class. d. All of the above are uses that the compiler has for the header file information.
What is the total and available physical memory (MB)? How much physical memory (MB) is being used by the computer?
What will be an ideal response?
Open Task Manager: Right-click the Task bar to open Task Manager.
Working in the Performance Tab
a. Click the Performance tab.
b. Click Memory in the left panel of the Performance tab.
C: denotes a(n) ________ directory that is at the top of the filing structure of a computer
A) cluster B) root C) upper-level D) top-level