Virtual memory is normally implemented by ________

A. Demand paging
B. Buses
C. Virtualization
D. All of the mentioned

In virtual memory. the programmer __________ of overlays.

A. Has to take care
B. Does not have to take care
C. All of the mentioned
D. None of the mentioned

The ability to execute a program that is only partially in memory has benefits like ____________

A. The amount of physical memory cannot put a constraint on the program
B. Programs for an extremely large virtual space can be created
C. Throughput increases
D. All of the mentioned

Error handler codes, to handle unusual errors are ____________

A. Almost never executed
B. Executed very often
C. Executed periodically
D. None of the mentioned

The instruction being executed, must be in ____________

A. Physical memory
B. Logical memory
C. Physical & logical memory
D. None of the mentioned

Virtual memory allows ____________

A. Execution of a process that may not be completely in memory
B. A program to be smaller than the physical memory
C. A program to be larger than the secondary storage
D. Execution of a process without being in physical memory

In UNIX, the ______________ system call is used to send a signal.

A. Sig
B. Send
C. Kill
D. Sigsend

A process can never be sure that a signal it has sent _____________

A. Has which identifier
B. Has not been lost
C. Has been sent
D. All of the mentioned

In most cases, if a process is sent a signal while it is executing a system call ____________

A. The system call will continue execution and the signal will be ignored completely
B. The system call is interrupted by the signal, and the signal handler comes in
C. The signal has no effect until the system call completes
D. None of the mentioned

In UNIX, the abort() function sends the ________ signal to the calling process, causing abnormal termination.

A. Sigterm
B. Sigstop
C. Sigabort
D. Sigabrt