Being a programming student seems so challenging until you start. It is impossible to stop once you engage in theory because you want to implement it in real-life tasks. Applying for various job positions today, it is essential to be acquainted with Visual Basic for Application language. Therefore it is necessary to remember all basic questions employers can ask you during an interview.
So, how should you prepare for an interview on VBA? Remember your programming course and be like a newbie in this field. When students look for help online, they ask, “please, do my Visual Basic homework,” and get relevant support on this programming language. In our list, you can find the 15 most popular questions and get answers to be ready for the career of your dream.
General VBA Interview Questions and Answers
- What is VBA?
VBA abbreviation means “Visual Basic for Application.” This language helps build programs for Microsoft Office tools such as Excel, Word, and PowerPoint.
- What is Variant data type?
This is a default data type that can hold any kind of data. Programmers use the Variant data type to allocate the more extensive amount of memory. Also, it is beneficial if developers don’t know the data type to accept while using multiple commands in a single variable.
- How to fix mistakes in VBA code?
Execute the procedure by placing the cursor in it and press F5 to extract. Then execute the program step by step by pressing F8 in the procedure window. When you see a required statement, press F9 to toggle breakpoints and debug the print to print statement in the immediate window. Add preceding expression in the immediate window with a question mark and enter to deploy this.
- What should programmers do to pass arguments to VBA functions?
You can pass arguments with subroutines or functions. The first way is ByVal: when you assign the value to the argument, it passes to the procedure. Changing something to the argument inside the procedure will be lost when it is completed.
The second way is a default in VBA when you can use the ByRef function: assign an address to the argument and pass it to the procedure. When an argument is changed inside the process, it expires when the procedure is finished.
- What VBA functions are used regularly?
Usually, VBA programmers use such functions as Format, IsNumeric, Round, Now, InputBox, MsgBox, Mid, Split, InStr, Len, Right, Left, and Trim.
Excel VBA Interview Questions and Answers
- Which steps should you take to fasten the VBA macros execution?
There are various approaches while writing code on VBA. To understand the VBA macro fasten the process, it is necessary to follow these steps:
- State variable without using Variant data type.
- Disable screen updating, events, and automatic calculations.
- Use With statement.
- Use vbNullString instead of quotation marks.
- Deprive memory objects when the procedure ends.
- What does an array mean?
There are many variable types, so an array is a set of similar ones. When you utilize an array, you can call its specific value by name or subscript (specific number). Create and detect array variable’s size by writing: Dim, array name (number of array size), index number, and datatype (Integer, e.g.).
- How can you stop recording a macro?
First of all, a programmer needs to find a developer tab on the main Excel window bar. Then stop to the macro’s recording by pressing the “Stop Recording” command button.
- Why should VBA developers use a macro?
The Visual Basic module in a VBA editor holds an instructions set. This is called macro. It is necessary using to automate daily, weekly, or monthly repetitive tasks. Running macro saves your time significantly and improves the developer’s productivity.
- Name available Excel VBA data types.
Using VBA data types in Excel, remember the following: numeric and non-numeric. Speaking about the numeric type, memorize such important data types as Byte Integer, Long, Currency, Single, and Double. Among non-numeric, you can find String, Text, Date, Boolean, Object, Microsoft Object, and Variant.
MS Word VBA Interview Questions and Answers
- How can you change font size in a specific paragraph of an MS Word document using VBA?
Type, “Change the font size of… paragraph,” and insert the number of a paragraph instead of ellipsis. Using Subfunction add Paragraph_Font_Size_Document(). Activate document and number of paragraphs by writing next line:
ActiveDocument.Paragraphs(number of paragraph).Range.Font.Size = (estimated number of font size). End line with End Sub.
- How to select the whole MS Word document in VBA?
Using the following VBA code, you can highlight the Word document fully: Selection.WholeStory.
- How can you move the cursor to the line beginning in an MS Word document with VBA?
Put the cursor at the start and write:
Selection.HomeKey Unit:= wdLine.
- What is the way of saving and closing MS Word documents using VBA?
Following this procedure, you can easily manage Save and Close function to create a readable format only:
‘Save and Close Document
- How can you create an MS Word document with VBA’s help?
Use this macro to deploy a new Word document:
Finally, you can answer your main questions on the VBA programming language. Get ready for an interview with our article and stay confident no matter what employer is inquiring about you!