The purpose of multiprogramming is to: f O a. Utilize CPU better sion O b. All of these O c. Make it easy for the users to run programs O d. Make the computer hardware more user friendly O e. Increase the speed of the hardware The long term scheduler must of O a. Suspend jobs using too many resources. O b. Control the degree of multiprogramming. tion O c. None of these O d. Dispatch jobs. Java language is called platform independent. Which one of the following statements is correct? O a. Java language has one virtual machine called JVM that runs on all operating systems. Ob Java programs are system programs and come with the operating system. . Java language has many virtual machines JVM one for each operating system. Od Java programs are supported by all operating systems without installing anything. Java language is called platform independent. Which one of the following statements is correct? O a. Java language has one virtual machine called JVM that runs on all operating systems. Ob Java programs are system programs and come with the operating system. . Java language has many virtual machines JVM one for each operating system. Od Java programs are supported by all operating systems without installing anything. The producer consumer problem can be solved with process cooperation. Which one of the following statements is correct? a. When the producer is running the consumer must wait O b. When the buffer is full the consumer must wait O c. When the buffer is empty the producer must wait O d. When in==out the consumer must wait