Operating Systems (CS604) Virtual University MCQS

Operating Systems (CS604) Virtual University MCQS. CS604 final term solved papers by moaaz . CS604 Midterm solved papers by moaaz

Q: The address generated by the CPU, after any indexing or other addressing-mode arithmetic, is called a _________ address, and the address it gets translated to by the MMU is called a _________ address.?

A. Virtual, physical
B. Hexadecimal, Binary
C. Valid, invalid
D. Physical, Virtual


View Answer

Q: In Swapping technique of Memory Management, the total amount transfer time is directly proportional to the ___________.?

A. amount of memory swapped
B. amount of space on backing store
C. space on main memory
D. all the given options are correct


View Answer

Q: Physical memory is broken down into fixed-sized blocks, called ________ and Logical memory is divided into blocks of the same size, called _________.?

A. Frames, pages
B. Pages, Frames
C. Frames, holes
D. Holes, segments


View Answer

Q: The collection of processes that is waiting on the disk to be brought into the memory for execution forms the ________.?

A. Input queue
B. Output queue
C. Both input and output queue
D. None of the given


View Answer

Q: ________ consists of a large array of words or bytes, each with its own address.?

A. Data
B. Stream
C. Memory
D. Hard disk


View Answer

Q: The segment table maps the ___________ to physical addresses.?

A. Page addresses
B. Shared page addresses
C. One-dimensional logical addresses
D. Two-dimensional logical addresses


View Answer

Q: Which command display permissions and some other attributes for prog1.c in your current directory??

A. ls –l prog1.c
B. ls –d prog1.c
C. ls file prog1.c
D. ls –l prog1.c /Directory


View Answer

Q: Optimal Page Replacement Algorithm provides a benchmark in assessing other page replacement algorithms.?

A. True
B. False
C.
D.


View Answer

Q: I/O instructions are Privileged instruction.?

A. True
B. False
C.
D.


View Answer

Q: When a ________link is created, a directory entry for the existing file is created?

A. Soft
B. None of the given
C. Hard
D. Soft or Hard


View Answer