The Programmer wants to overload operators rather than use a regular member of the functions to perform similar operations because of two main reasons:
1. For easy and simpler definition of the functions. There would be one pointer who will call the function every time is needed in the program.
2. For easier comparisons of parameters.
Answer:
When you want to extend an electrical wire for an apparatus, e.g., a lamp or a speaker.
Packet analyzer is a tool that captures every packet transmitted over a network and analyzes the content. Basically this is used to gather network statistics and troubleshoot network issues.
Answer:
b. Wolfram Alpha
Explanation:
A specialty search engine can be defined as a type of database query engine which searches for informations and indexes them based on a particular content, subject or focus such as location, topic, government, industry etc. A specialty search engine is different from the general-purpose search engines such as Bing, Google or Yahoo because it gives results that are tailored or more relevant to a particular user.
Wolfram Alpha is an example of a specialty search engine. A Wolfram Alpha is an answer search engine which gives answers to specific questions such as computational, arithmetic, geometric mathematics or calculus.
Also, note that a specialty search engine is commonly referred to as a topical or vertical search engine.
