Answer:
Differ in the quality of their transmission.
Explanation:
For example, when using the public phone box, wired transmission is done not wireless as in cell phones. Public phone box use electronic signals transmitted through a cable network to send voice data which are not very effective for long distance communication.
However, cell phones wirelessly send electromagnetic wave signal to a cell tower close to the caller and then the information is then transmitted to cell tower close to the receiver within a split of a second. This method of communication has much advantages.
I believe they are icons.
Answer:
Data mining is a process of extracting and discovering patterns in large data sets involving methods at the intersection of machine learning, statistics, and database systems.
Answer:
There are five work sheets in this excel file, they are equipment, company, company, person and computer. Excel worksheets are made up of cells, with the columns labelled alphabetically and the rows numbered.
Explanation:
The columns of a worksheet is called a field while row are called records. They are used to locate a cell in the worksheet. There are so many statistical, mathematical and engineering functions in excel. It is used to display the analysis of data.
Answer:
B: new ArrayList()
Explanation:
When dealing with Java syntax you always need to initialize an ArrayList object with its constructor. From the options listed the only correct option would be B: new ArrayList(). This would correctly initialize the ArrayList object but is not necessarily the recommended way of doing this. The truly recommended way would be the following
ArrayList<Thing> a = new ArrayList<Thing>()