Hello Friends,this particular section is well focused on the Frequently asked OS Basics MCQs in various competitive exams.This set of questions are very basic and easily understandable by students.we have kept the questions hardness level to very basic.
PRACTICE IT NOW TO SHARPEN YOUR CONCEPT AND KNOWLEDGE
1. Bringing a page into memory only when it is needed,this mechanism is called
- Deadlock
- Page Fault
- Dormant Paging
- Demand Paging
D. Demand Paging
2. What do you mean by Memory Compaction?
- Combine multiple equal memory holes into one big hole
- Combine multiple small memory holes into one big hole
- Divide big memory hole into small holes
- Divide memory hole by 2
B. Combine multiple small memory holes into one big hole
3. Copying a process from memory to disk to allow space for other processes is Called
- Swapping
- Deadlock
- Demand Paging
- Page Fault
A. Swapping
4. Page stealing
- Is a sign of an efficient system
- Is taking page frame from other working sets
- Should be the turning goal
- Is taking layer disk space for page in page out
B. Is taking page frame from
other working sets
5. A spooler is a
- Location in memory that maintains the contents of documents until it prints out
- Queue of print job that are waiting to print
- Program that coordinates the print job that are waiting to process
- Message sent from the printer to the operating system when a print job is completed
C. Program that coordinates the
print job that are waiting to
process
6. What is the method of handling deadlocks?
- Use a protocol to ensure that the system will never enter a deadlock state.
- Allow the system to enter the deadlock state and then recover.
- Pretend that deadlocks never occur in the system
- All of the Above
D. All of the Above
7. The Banker’s algorithm is used
- to rectify deadlock
- to detect deadlock
- to prevent deadlock
- to slove deadlock
C. to prevent deadlock
8. All of the following are TRUE regarding virtual memory EXCEPT
- Any amount of RAM can be allocated to virtual memory
- The setting for the amount of hard disk drive space to allocate virtual memory can be manually change
- This temporary storage is called the swap file or page file
- Virtual memory is the physical space of the hard drive
B. The setting for the amount of
hard disk drive space to allocate virtual memory can be
manually change
9. What is dispatch latency?
- The time taken by the dispatcher to stop one process and start another
- The time taken by the processor to write a file into disk
- The whole time taken by all processor
- None of Above
A. The time taken by the dispatcher to stop one process
and start another
10. A page fault occurs when
- the Deadlock happens
- the Segmentation starts
- the page is found in the memory
- the page is not found in the memory
D. the page is not found in the
memory
