परमाणु ऊर्जा संयंत्रों (Nuclear power plants) में मुख्य रूप से किस प्रकार के ऑपरेटिंग सिस्टम का उपयोग किया जाता है?

In the Windows operating system, by default, where does the taskbar appear on the desktop?

When a process is to be executed, it has to be loaded from secondary storage into main memory. What is this operation called?

Which is the correct order of operations for system startup?