Hello Friends,this particular section is well focused on the Frequently asked OS Fundamentals 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. What is thrashing?
- A high paging activity is called thrashing.
- A high executing activity is called thrashing
- A extremely long process is called thrashing
- A extremely long virtual memory is called thrashing
A. A high paging activity is
called thrashing.
2. Symptoms of swap-file problems include extremely slow system speed and a disk that is constantly being accessed, which is referred to as ______________.
- Clocking
- Thrashing
- Booting
- Filtering
B. Thrashing
3. What hole will allocates in “Worst-Fit” algorithm of memory management?
- It allocates the smaller hole than required memory hole
- It allocates the smallest hole from the available memory holes
- It allocates the largest hole from the available memory holes
- It allocates the exact same size memory hole
C. It allocates the largest hole
from the available memory
holes
4. Which of the following is the allocation method of a disk space?
- Contiguous allocation
- Linked allocation
- Indexed allocation
- All of the Above
D. All of the Above
5. Which of the following concept is best to preventing page faults?
- Paging
- The working set
- Hit ratios
- Address location resolution
B. The working set
6. Poor response time are usually caused by
- Process busy
- High I/O rates
- High paging rate
- Any of the above
D. Any of the above
7. Virtual memory typically located on
- RAM
- CPU
- Flash card
- Hard drive
D. Hard drive
8. What is contained in the page table?
- Base address of each frame and corresponding page number
- Memory address and corresponding page number
- File name and corresponding page number
- None of Above
A. Base address of each frame
and corresponding page
number
9. Tree structure displays the
- File only
- Directory only
- File and directory name
- None of above
C. File and directory name
10. Multiprogramming systems:
- Are easier to develop than single programming systems
- Execute each job faster
- Execute more jobs in the same time period
- Are used only one large mainframe computers.
C. Execute more jobs in the
same time period
