What is IUnknown and what are its three parts?

Correct Answer: By setting the columnSpan property for cells of each row as required

Correct Answer: Check EIBRESP after the call or use the HANDLE condition

Correct Answer: Marshalling is the process of gathering data from one or more applications or non-contiguous sources in computer storage, putting the data pieces into a message buffer, and organizing or converting the data into a format that is prescribed for a particular receiver or programming interface

Correct Answer: A system call is a functionsubroutine which interrupts the currently executing program and transfers control to the interrupt routineThe contents of the executing program are saved and after the interrupt routine finishes its function,control is transferred back to the executing program If we talk in the context of Linux then System calls are called kernel mode Whereas API (Application Programming Interface) is a function or a set of functions, objects, protocols or data-structures for the support of application development for developers/programmers It is actually a kind of function definition which specifies how to make available of a specific service of the system/OS to the other program/process or system Read more at: https://wwwqueryhomecom/48442/os-what-is-difference-between-system-call-and-api

Correct Answer: public class Test { public void replaseSpaces(char[] str, int length) { int spaceCount = 0, newLength = 0, i = 0; for(i = 0; i < length; i++) { if (str[i] == ' ') spaceCount++; } newLength = length + (spaceCount * 2); str[newLength] = '\0'; for(i = length - 1; i >= 0; i--) { if (str[i] == ' ') { str[newLength - 1] = '0'; str[newLength - 2] = '2'; str[newLength - 3] = '%'; newLength = newLength - 3; } else { str[newLength - 1] = str[i]; newLength = newLength - 1; } } Systemoutprintln(str); } public static void main(String[] args) { Test tst = new Test(); char[] ch = {'t', 'h', 'e', ' ', 'd', 'o', 'g', ' ', ' ', ' ', ' ', ' ', ' '}; int length = 6; tstreplaseSpaces(ch, length); } }

Correct Answer: Marshalling is the process of packaging and sending interface method parameters across thread, process or machine boundaries It is not necessary when the client and the server are on the same computer

Correct Answer: COM is the component Object Model is a system whch creates application which are binary form that is language independent , object oriented ,modular and reusable

Correct Answer: NTFS, FAT & FAT 32 are the file systems of NT

Correct Answer: Visual Basic is not support Inheritance and Data binding OOPS Concept

Correct Answer: With the help of Excel App instance we can execute a Macro in VB code EXcelAppInstanceApplicationRun("MacroName")