Thursday, 5 February 2015

VBScript - QTP Interview Questions and Answers

Below are some important VBScript interview questions which are asked in most MNC company interviews for beginners or professionals.
6. Explain about the Asc function?
According to the first letter in a string it returns the ANSI code relevant to that first letter. If string is not present then a runtime error occurs. Asc function returns the first byte used. It is used only with elements containing byte data in a string.

7. Explain about arrays in VB Script?
Arrays in VB Script should be assigned within the variant separated by a comma. If arguments are not specified then the string is regarded as empty. After specifying the elements in an array an index number should be used indicating the desired element.

8. Explain about ADODB.Stream class?
ADODB.Stream class can be used as string builder. VBScript string concatenation can be very costly because of frequent memory allocation features. Binary file and memory I/O operation is provided by ADODB.Stream class. This is widely used to convert bytes into string, etc.

9. Explain about scrrun.dll?
Scripting Runtime library is very important for the functioning of Visual basic script because it gives much more functionality such as File management, text operations and file modification features. Scrrun.dll is used very much in programming VB.

10. Explain about the functionality of VBScript?
Active X technology can be used to give much more functionality to VB Script. VB provides sub routines, functions, string manipulation, data/time, error handling, etc. VB can have more functionality added to it by working with languages such as ASP.
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