The Layer Via Copy command is different from the Layer Via Cut command in that the Layer Via Copy command removes the selection from the background.
Answer the following statement true (T) or false (F)
False
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The select system call is used to
A. block on input from several file descriptors at once B. connect two file descriptors
Answer the following statements true (T) or false (F)
1. Aggregation provides a means of showing that the whole object is composed of the sum of its parts (other objects). 2. Collection is the relationship that exists when the whole has a responsibility for the part. 3. Polymorphism is when the object-oriented program may have several versions of the same method with the same name in a super class/subclass relationship. 4. When messages are passed from one class to another, the receiving class must have a method corresponding to the message name.
Assume you have a table that contains 27,000 records, and you have an unclustered B+-tree index on the table. Assume further that each index node can contain up to 100 pointers.
(a) What is the maximum possible number of levels in the B+-tree index for this table? Draw a sketch of this ”maximal height” B+-tree for the 27,000 record table. (b) What is the minimum possible number of levels in the B+-tree index for this table? Draw a sketch of this ”minimal height” B+-tree for the 27,000 record table.
(Print an Array) Write a recursive function printArray that takes an array, a starting sub- script and an ending subscript as arguments and returns nothing. The function should stop process- ing and return when the starting subscript equals the ending subscript.
What will be an ideal response?