What is the advantage of using a B-tree instead of a 2-3 tree for indexing external data?
What will be an ideal response?
A B-tree has a shorter height because it can have several children. Traversals of the tree require us to visit fewer nodes. This is important because of the overhead associated with each retrieval of a node from external memory.
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What is the purpose of the CMOS RAM on a motherboard?
What will be an ideal response?
Google is an indexed search engine that organizes and ranks the results of a search.
Answer the following statement true (T) or false (F)
Which of the following statements about string compares is false?
A. If the two strings are equal, the result is true. B. The first string is less than the second string if, starting from the beginning of the string, we find a character in the first string less than a character in the second string. C. The first string is less than the second string if the end of the first string is detected before the end of the second string. D. The first string is greater than the second string if, starting from the beginning of the string, we find a character in the first string greater than a character in the second string. E. The first string is greater than the second string if the end of the second string is detected before the end of the first string.
In XSLT, a variable name can start with a number.
Answer the following statement true (T) or false (F)