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

What statement best describes operating systems? it’s possible for modern computers to function without operating systems. most operating systems are free or very inexpensive. operating systems are managed by the computer’s microprocessor (cpu). operating systems manage the computer’s random access memory (ram).

Stops: using the information learned in this course, explain three things you will not do when driving. a. b. c. explain why you will not do these things when driving. starts: using the information learned in this course, explain three things you will do when driving. a. b. c. explain why you will do these particular things when driving. explain one thing you will stop doing as a passenger. explain one thing you will start doing as a passenger.

Write a program that will askthe user to enter the amount of a purchase. the program should thencompute the state and county sales tax. assume the state sales tax is4 percent and the county sales tax is 2 percent. the program should displaythe amount of the purchase, the state tax, the county sales tax, the total salestax, and the total of the sale. (which is the sum of theamount of purchase plus the total sales tax). hint: use the value 0.02 torepresent 2 percent, and 0.04 to represent 4 percent.