What is contained in the DISPLAY variable on a Linux system running the X window system?
A. The resolution of the monitor connected to the Linux system.
B. Which X server the client is supposed to connect to by default.
C. The display manager that should be used.
D. How many monitors are connected to a Linux system.
Answer: B
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Fill in the blanks in each of the following statements:
a) Objects have the property of _______ —although objects may know how to communicate with one another across well-defined interfaces, they normally are not allowed to know how other objects are implemented. b) C++ programmers concentrate on creating ______, which contain data members and the member functions that manipulate those data members and provide services to clients. c) Classes can have relationships with other classes. These relationships are called ______. d) The process of analyzing and designing a system from an object-oriented point of view is called _______. e) OOD also takes advantage of ________ relationships, where new classes of objects are derived by absorbing characteristics of existing classes then adding unique characteristics of their own. f) ________ is a graphical language that allows people who design software systems to use an industry-standard notation to represent them. g) The size, shape, color and weight of an object are considered ______ of the object.