Ex 1：True or False
Ex 1：True or False
完成条件
已开启: 2019年12月15日 星期日 10:26
截至: 2019年12月22日 星期日 10:26
1.An operating system is an example of application software.
2.An operating system provides a basic user interface that allows the user to use the computer.
3.A computer can have more than one operating system,but only one is in control at any given time.
4.Multiprogramming is the technique of using multiple CPUs to run programs.
5.In the 1960s and 1970s,a human operator would organize similar computer jobs into batches to be run.