Choose the correct answer 1. A virtual machine executes on a host operating system and a hypervisor provides an API to the actual hardware 2. The guest OS knows that it is not accessing the actual hardware so that it can perform better 3. The VM may supply an environment that is different than the actual host hardware 4. Applications running within the VM have an illusion that they are executing on a real machine Select one: a. All the options are true b. Only 1, 3 and 4 are true c. Only 1 and 4 are true d. None of them are true e. Only 1, 2 and 4 are true Choose the correct answer 1. In multitasking, one or more processes are loaded in main memory to execute and only one process at a time is able to get the CPU while all the others are waiting in the ready queue 2. In multiprogramming, one or more processes are loaded in main memory to execute and only one process at a time is able to get the CPU while all the others are waiting in the ready queue 3. In multitasking, multiple processes are running concurrently and each process will share the CPU 4. In multiprogramming, multiple processes are running concurrently and each process will share the 5. In batch scheduling of multiprogramming, once a process is started, it will control the CPU until its 6. In co-operative scheduling, when a process needs to wait for resources, it will give up the CPU and be CPU completion regardless of any idle CPU time removed from the ready state Select one: a. Only 2 and 3 are true b, only 1 and 4 are true c. Only 1, 2, 5 and 6 are true d. Only 2, 3, 5 and 6 are true e. Only 2, 3 and 6 are true During a the new process which gets to run is loaded from RAM and the new process starts running , the state of the process is saved and written to RAM and the process state for context switch trap instruction memory swap memory exhaustion