Answer:
Array: (a) All the messages a user has sent.
Variable: (b) The highest score a use has reached on the app. (c) A username and password to unlock the app.
Explanation:
An array generally has more than one value whereas a variable can only contain a single value at any particular point in time. In addition, a variable has a limit whereas an array does not have any maximum limit. Therefore, it can be concluded that option (a) will be stored as an array while options (b) and (c) will be stored as variables.
Answer: Registers
Explanation:
Registers are small storage locations identified by different types of registers. The function of the register is to provide data for immediate processing to the CPU. These registers hold data temporarily and provide easy access of data to the processor.
Answer:
C. The number of items in the column list doesn't match the number in the VALUES list.
Explanation:
The INSERT INTO statement is used to insert new records in a table.
<u>Syntax is as follows:</u>
INSERT INTO table_name (column1, column2, column3, ...)
VALUES (value1, value2, value3, ...);
Each column item has to match with the values to be inserted in the same order.
In the question, there are 8 column items specified whereas there are only 7 values given to be inserted.
Answer: c) Click on a different sheet tab at the bottom.
Explanation:
To change between worksheets inside an Excel Workbook : Click on a different sheet tab at the bottom
a.The primary purpose of JavaScript is to enable features such as validation of forms before they are submitted to the server.
<u>Explanation:</u>
On web pages before submitting the day, end user has to do client validations such as whether data enter is correct data type, so end user for client side validation been eiher by VBSCRIPT (visual basic script language) or (JavaScript java script). Internet explorer or Microsoft edge uses VBSCRIPT for web page validation.
For visual basic script languages end user should have enough knowledge on visual basic programming languages. Same away for java script end user have enough knowledge on c language.
Both Scripts are used for client side validation on success of validation end user will submit web page form for next action. JavaScript is used in most of the browser including Microsoft explorer or Microsoft edge.
