Which of the following servers is a serial communications server that drives the communications ports and also runs serial-like protocols that use other communications services?

Consider the following lines of code. What does it signify if aForeground is set to FALSE?
void CMyViewAppUi::HandleForegroundEventL(TBool aForeground)
    {
    if (aForeground==TRUE)
        {
        iEikonEnv->InfoMsg(_L('Some Message here'));
        }
    else
        {
        iEikonEnv->InfoMsg(_L('Some Message here'));
        }
    }

Which layers is/are present in the Symbian System Model?

Can a file within a package contain hardcoded references to the package directory location in Symbian?

Every file present in the hierarchy of the Symbian platform is owned by one and only one component, collection, package and layer.

Which one is NOT a valid integer data type in Symbian OS programming?

Which APIs will be used to enable or disable 'Show call duration'?

In Symbian C++, the basic class for color is the Trgb: color specification. What is the size of the TRgb: class object?

Which is/are (an) advantage(s) of lodger controls?

Which system-provided framework class of Symbian OS GUI is used to handle the control stack for first-level key event distribution?