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Ans : There are three types ST Connectors: ST stands for Straight Tip. Slotted bayonet type connector with long ferrule, a common connector for multi-mode fibers. The ST connector has been the main stay of optical fiber connectors for many Read More …

Ans : Fiber optic cable connectors are hardware installed on fiber cable ends to provide cable attachment to a transmitter, receiver or other cable. In order for information to be transmitted efficiently, the fiber cores must be properly aligned. They Read More …

Ans : The BNC connector (Bayonet Neill–Concelman) is miniatures quick connect/disconnect RF connector used for coaxial cable. It features two bayonet lugs on the female connector; mating is achieved with only a quarter turn of the coupling nut. BNCs are Read More …

Ans : RJ stands for registered jack. RJ45 is a standard type of connector for network cables. RJ45 connectors are most commonly seen with Ethernet cables and networks. RJ45 connectors feature eight pins to which the wire strands of a Read More …

Ans : A class member function can be declared to be pure virtual by just specifying the keyword „virtual‟ in front and putting „=0‟ at the end of the function declaration 2. Pure virtual function itself do nothing but acts Read More …

Ans : 1. The function call takes slightly longer due to the virtual mechanism, and it also makes it more difficult for the compiler to optimize because it doesn’t know exactly which function is going to be called at compile Read More …

Ans :  The virtual functions must be the members of some class.  A class member function can be declared to be virtual by just specifying the keyword „virtual‟ in front of the function declaration. The syntax of declaring Read More …

Ans : C++ provides a solution to invoke the exact version of the member function, which has to be decided at runtime using virtual functions. They are the means by which functions of the base class can be overridden by Read More …

Ans : The biggest advantage of polymorphism is creation of reusable code by programmer’sclasses once written, tested and implemented can be easily reused without caringabout what‟s written in the case. 2. Polymorphic variables help with memory use, in that a Read More …

Ans : Block Input / Output functions read/write a block (specific number of bytes from/to afile. A block can be a record, a set of records or an array. These functions are alsodefined in standard library • fread( )• fwrite( Read More …