1) What is an Electronic point of sale? [2]
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Which of the following “invisible” marks represents an inserted tab?

Solve the following javafx application: write a javafx application that analyzes a word. the user would type the word in a text field, and the application provides three buttons for the following: - one button, when clicked, displays the length of the word.- another button, when clicked, displays the number of vowels in the word.- another button, when clicked, displays the number of uppercase letters in the word(use the gridpane or hbox and vbox to organize the gui controls).

Pressing the backspace key deletes the text to the of the insertion point. the left or the right?