A byte {Ans: is 8 bits; we measure the size of days in bytes. It can refer to a measure of data or of memory.}Operating system {Ans: the software that supports a computer's basic functions, such as scheduling tasks, executing applications, and controlling peripherals (such as windows or IOS)}Open- source operating system software {Ans: Anyone can see the program code and modify it (ex. Linux, FireFox, Apache).}Virtual Machine {Ans: When you use VMWare to work on the software on the university servers you are using a ______.}Closed-source operating systems {Ans: This means that only the company that made the software can see the program source code and change it. (ex. Windows and IOS)}Hardware {Ans: Computers consist of both hardware and software. Hardware is the physical device. Hardware consist of input devices, computing devices (chips), and output devices.}