Answer:
Lookup functions look for a value in the leftmost column of a table and then returns the value from the same row in another table placed in another column, and that is mentioned as the third argument. It can return an exact match or the approximate match. And this formula and concept can be applied horizontally as well.
Like vlookup( column-name, range to be searched, column number in the range mentioned from the first column in the range, true for exact match and false for the approximate match). Thus there are four arguments.
Explanation:
Please check the answer section.
Answer:
A web search engine or internet search engine
Explanation:
A web search engine or an internet search engine is a software program that enables users to retrieve information with a response to the user queries.
Answer: Image preloading
Explanation:
The Image Preloading process can be describes as follows:
1. Using the new keyword an instance of the image object is created.
2. The src property and the flename of the image is set be equal.
3. Then image is downloaded into the cache with displaying it.
4. The src property is set equal to the prefetched image when it is required to display the image.
Has more of a direct influence in our everyday life because of the use of cellphones, technology, and cameras. Where else science is the idea that we should know affects us but often isn't clearly understood by the average person.