It is best to install two or more anti-virus software on a machine

When a subclass is created, processing proceeds as if

a) the subclass was itself a base class. b) a call to the constructor of the base class were the first statement in the constructor for the subclass. c) the subclass was the class at the top of the class hierarchy. d) a call to the subclass’s constructor had already occurred.

When using MS-DOS __________, you must always code a complete path name to access a file.

a. subdirectories b. COPY commands c. directories d. The premise of this question is false.