will upvote

14. 3D printing is a. printing illusions on paper b. used to make solid products c. for kids to play with d. the same as 2D printing 15. are the most powerful computers with the fastest processing speed and highest performance. a. Blade servers b. Workstations c. Mainframe computers d. Supercomputers 16. An operating system with capabilities allows a user to run more than one program concurrently. a. networking b. hardware independence c. memory management d. multitasking