In early UNIX systems, executable files (a. out files) began with a very specific magic number, not one chosen at random. These files began with a header, followed by the text and data segments. Why do you think a very specific number was chosen for executable files, whereas other file types had a more-or-less random magic number as the first word

The liang book has an example called which is a javafx application that reads the javabook database using a preparedstatement object. using it as a guide, create a similar application called findbooks. it will read a list of authors from the bookdb created in problem 1 and display them in a listview. if the user selects an author, it should display the author's book titles in a textarea.

When running anti-virus software , what could be a reason where recipitent is not guaranteed that data being streamed will not get interrupted?

You have written, as part of a school assignment, a research paper on the solar system. you want to share this paper on your school website. on which type of server will you upload it?