A ____ occurs when a user clicks a button on a Web page.

A. update
B. refresh
C. postback
D. close


Answer: C

Computer Science & Information Technology

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Place the following statements (a) - (d) in the correct order in line 12 of the code shown in Figure 11.26 so that a tree image will be displayed on the canvas.

a. myContext.drawImage(obstacle, 250, 70);
b. var myCanvas = document.getElementById("gameCanvas");
var myContext = myCanvas.getContext("2d");
c. obstacle.src = "images/tree.png";
d. var obstacle = new Image();

Computer Science & Information Technology

MAC stands for ________

Fill in the blank(s) with correct word

Computer Science & Information Technology

The difference between a character entity and a numeric character reference is the latter includes a(n) ____________________ after the ampersand and the former does not.

Fill in the blank(s) with the appropriate word(s).

Computer Science & Information Technology

Progressive scaling refreshes all the horizontal lines simultaneously

Indicate whether the statement is true or false

Computer Science & Information Technology