Which of the following is not a top-down

Which set of rules is applicable for exchange of files over Internet? 

In Windows, which of the following actions does "Alt + F4" perform?

Which one of the following is used to combine two or more cell and formatting one big cell? 

Macintosh is designed and developed by

Which of the following extension is not audio extension ? 

The use of combination of 1’s and 0’s is feature of which of the following type of  computer language?

If a new device is attached to a computer, such as printer or scanner, its ______ must be installed before the device can be used 

Convert 10 to binary.

A universal product code is read by what type of scanner:

What is the base of the Octal number system?