Why is the efficiency of an algorithm important?
What will be an ideal response?
Efficient algorithms allow us to better use computer resources. An inefficient algorithm takes longer to
execute, which means that fewer programs can run in a given amount of time.
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A rectangular array of data is called a
(A) field. (B) record. (C) table. (D) database management system.
The item shown in the accompanying figure is a Web table.
Answer the following statement true (T) or false (F)
Answer the following statement(s) true (T) or false (F)
1. Only one layer can be active at a time. 2. To select contiguous layers, in the Layers panel, click the first layer, press and hold the Shift key, and then click the last layer. 3. One way to add a layer to a file is to add an empty layer and then fill it with content. 4. One way to add a layer to a file is to duplicate a selected layer so an exact copy appears on the Layers panel and in the composition.
In Access SQL statements, any table name or field name that has spaces must be enclosed in:
A) Square brackets [ ]. B) Single Angle Brackets < >. C) Double Angle Brackets << >>. D) Parentheses ( ).