The operating system is responsible for?

• A. Disk initialization
• B. Booting from disk
• C. Bad-block recovery
• D. All of the mentioned

The operating system and the other processes are protected from being modified by an already running process because ____________

• A. They are in different memory spaces
• B. They are in different logical addresses
• C. They have a protection algorithm
• D. Every address generated by the cpu is being checked against the relocation and limit registers

Using transient code, _______ the size of the operating system during program execution.

• A. Increases
• B. Decreases
• C. Changes
• D. Maintains

The operating system maintains a ______ table that keeps track of how many frames have been allocated, how many are there, and how many are available.

• A. Page
• B. Mapping
• C. Frame
• D. Memory

To obtain better memory utilization, dynamic loading is used. With dynamic loading, a routine is not loaded until it is called. For implementing dynamic loading ____________

• A. Special support from hardware is required
• B. Special support from operating system is essential
• C. Special support from both hardware and operating system is essential
• D. User programs can implement dynamic loading without any special support from hardware or operating system

The _________ presents a uniform device-access interface to the I/O subsystem, much as system calls provide a standard interface between the application and the operating system.

• A. Device drivers
• B. I/o systems
• C. Devices
• D. Buses

In real time operating system ____________

• A. All processes have the same priority
• B. A task must be serviced by its deadline period
• C. Process scheduling can be done only once
• D. Kernel is not required

Hard real time operating system has ______________ jitter than a soft real time operating system.

• A. Less
• B. More
• C. Equal
• D. None of the mentioned

For real time operating systems, interrupt latency should be ____________

• A. Minimal
• B. Maximum
• C. Zero
• D. Dependent on the scheduling

Which one of the following is a real time operating system?

• A. Rtlinux
• B. Vxworks
• C. Windows ce
• D. All of the mentioned