Answer:
The answer to this question is "True".
Explanation:
The term video calling is part of communication. In this type of communication will be used in every place like house, office for video conferencing, etc. It was developed in 1968 by AT&T's Bell Labs. It works on internet.This type of calling we can face to face communicate means, we watch the person. In the video calling, there is no need for a schedule it is used as a phone call.
Answer:
1. Where,
2. From
Explanation:
In SQL query language when working on a database, a user can use certain clauses to carry out some functions.
Hence, The WHERE clause allows us to select only those rows in the result relation of the FROM clause that satisfy a specified predicate.
This is because the "Where clause" selects the rows on a particular condition. While the "From clause" gives the relation which involves the operation.
Answer:
A.Sam.
Explanation:
We are using Deque interface which is sub type of Queue interface. Deque supports insertion and deletion from both ends front and end.So it can be used as a queue and stack also.
In this question we have inserted Jack at the front first.Then Rudy at the back then larry also at the tail.Now we have added sam at the front then nothing is added to the front.So the answer is Sam.
Answer:
Communication
Explanation:
The ability to communicate clearly when working with customers is a key skill because miscommunications can result in disappointment and frustration. The best customer service professionals know how to keep their communications with customers simple and leave nothing to doubt.
