Interview Questions and Answers

11. How to find median of a BST? Find the no. of elements on the left side. If it is n-1 the root is the median. If it is more …

1. Define the concept of an algorithm. An algorithm is any well-defined computational procedure that takes some value (or set of values) as input and produces some value (or set …

11. What do you mean by honeycomb in concrete? Some people call it an air pocket in the concrete or a void. It is the exposed course aggregates on surface …

1. What are the causes of building collapse? The PAssage of time is one reason. Buildings also collapse due to weak foundations. Earthquakes, hurricanes and other natural disasters can also …

21. How can we encrypt the username and password using php? You can encrypt a password with the following Mysql>SET PASSWORD=PASSWORD(“Password”); We can encode data using base64_encode($string) and can decode …

11. What are encryption functions in PHP? CRYPT(), MD5()

1. Who is the father of PHP ? Rasmus Lerdorf is known as the father of PHP.

31. Define cyclic redundancy check (CRC). C RC appends a sequence of redundant bits derived from binary division to the data unit. The divisor in the CRC generator is often …

21.What is full duplex? It is the mode of communication between two devices in which flow of data is bi-directional and it occurs simultaneously. Here signals going in either direction …

11. What is Pipelining ? In networking and in other areas, a task is often begun before the previous task has ended. This is known as pipelining.