A computer is a big screen and iphone is a handheld device
Answer: because computers are our main source of communicating and where we find a wide range of information to help us
Explanation:
Answer:
An operating system has three main functions: (1) manage the computer's resources, such as the central processing unit, memory, disk drives, and printers, (2) establish a user interface, and (3) execute and provide services for applications software.
