Insert the correct missing number from the choices given

Which out of the following represents STAR topology of Network? 

Which shortcut key is used to check spelling and grammar in MS Word?  

Which of the following is the most popular DOS-based spreadsheet package?  

Which are the input devices that enable direct data entry into a computer system from source documents?

The language used to program first-generation computers was primarily:

Which shortcut key is used to close a document in MS Word? 

The first generation of the computers used _______?

Warm booting when a computer is restarted by pressing the combination of Which Key?

 Which of the following shortcut keys is used to open the "Task Manager" in Windows?