Explain what a chart element is, and give three examples.
What will be an ideal response?
A chart has several parts that make up the chart. These parts are called chart elements. The legend, chart title, and data labels are three examples of chart elements.
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Answer the following statement true (T) or false (F)
Some web pages have so much content that viewers must scroll repeatedly to get to the bottom of the page and then back up to the top of the page.
Answer the following statement true (T) or false (F)
Which of the following statements is false?
a. You can unpack any sequence’s elements by assigning the sequence to a comma-separated list of variables. b. A ValueError occurs if the number of variables to the left of the assignment symbol is not identical to the number of elements in the sequence on the right. c. The following code unpacks a sequence produced by range: number1, number2, number3 = range(10, 40, 10) d) All of the above are true.
Modify the original Example1 code so that the receiver loops indefinitely to receive and output datagrams. Recompile. Then (i) start the receiver, (ii) execute the sender, sending a message “message 1”, (iii) in another window, start another instance of the sender, sending a message “message 2”. Does the receiver receive both messages? Capture the output. Draw a picture to describe the IPC involved in the experiment.
This exercise guides you through experiments with connectionless datagram socket via code sample Example1. As a start, it is recommended that you run both programs on one machine, the host name of which you may refer to as “localhost”, as in the command “java Example1Sender localhost 12345 hello” to execute Example1Sender. You may optionally repeat the exercises by running the programs on separate machines, assuming that you have access to such machines.