What symbols are used to draw E-R diagrams?
What will be an ideal response?
The three symbols used for E-R diagrams are (a) a rectangle to show the entity, (b) a diamond in a rectangle to join two many-to-many entities, and (c) an oval in a rectangle to represent an attribute, especially a repeating group.
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Convert the following 8-bit binary number to decimal: 10010011.
Which line of code will check if any character in the string variable pword is the letter X and return true for the variable check?
``` var check = false; for (i = 0; i < pword.length; i++) { _____???_______ check = true; } ``` a. ``` if (var charX == "X"); ``` b. ``` if (var charX == charX.charAt[i]); ``` c. ``` if (var charX.charAt[i] == "X"); ``` d. ``` if (var charX.charCodeAt[i] == "X"); ```
What should you consider when deleting files or folders from a removable storage medium such as a flash drive?
What will be an ideal response?
To display gridlines on a worksheet, click the Gridlines check box in the _____ group on the View tab.?
A. ?Rulers & Gridlines B. ?Show C. ?Margins D. ?Zoom