Select the option that is true regarding the following

In Excel typical worksheet has …. Number of columns

A half byte is know is

While studying about computer, we may came to know about the term QDR. Expand QDR?

A saved document is referred to as _________.

Word processing, spreadsheet, and photo-editing are examples of which type of software?

To print a document which shortcut is used?

Which of the following is a form of malware that encrypts a victim's files?

Which of the following Internet protocol specifies how data is exchanged over the Internet and how it should be broken into IP packets?

What happens when you press the "Insert" key on the keyboard?

Which sorting algorithm has a worst-case time complexity of O(n²)?