Operating Systems Questions pdf - Set 10 - ObjectiveBooks

Operating Systems Questions pdf - Set 10

Practice Test: Question Set - 10


1. In a magnetic disk, data is recorded in a set of concentric tracks which are subdivided into
    (A) Periods
    (B) Sectors
    (C) Zones
    (D) Groups

2. The LRU algorithm
    (A) Pages out pages that have been used recently
    (B) Pages out pages that have not been used recently
    (C) Pages out pages that have been least used recently
    (D) Pages out the first page in a given area

3. In which addressing mode the operand is given explicitly in the instruction?
    (A) Absolute mode
    (B) Immediate mode
    (C) Indirect mode
    (D) Index mode

4. The advantage of a command processor running only built-in commands is:
    (A) Flexibility to the users in running lists of commands by simply collecting them in named batch command files
    (B) The command set being common across different hardware configurations
    (C) Users can create system programs and run them as commands
    (D) The processing is much faster than would other-wise be the case when user defined commands are used

5. In virtual memory systems, Dynamic address translation
    (A) Is the hardware necessary to implement paging
    (B) Stores pages at a specific location on disk
    (C) Is useless when swapping is used
    (D) Is part of the operating system paging algorithm

6. The main function of the dispatcher (the portion of the process scheduler) is
    (A) Swapping a process to the disk
    (B) Assigning ready process to the CPU
    (C) Suspending some of the processes when the CPU load is high
    (D) Bring processes from the disk to the main memory

7. User-Friendly Systems are:
    (A) Required for object-oriented programming
    (B) Easy to develop
    (C) Common among traditional mainframe operating systems
    (D) Becoming more common

8. Which are the most important features of Microsoft Windows program?
    (A) Windows
    (B) Pull-down menus
    (C) Icons
    (D) All of the above

9. What is the name of the operating system for the laptop computer called MacLite?
    (A) Windows
    (B) DOS
    (C) MS-DOS
    (D) OZ

10. Special software to create a job queue is called a
    (A) Drive
    (B) Spooler
    (C) Interpreter
    (D) Linkage editor

11. What is the name given to the organized collection of software that controls the overall operation of a computer?
    (A) Working system
    (B) Peripheral system
    (C) Operating system
    (D) Controlling system

12. Access time is the highest in the case of
    (A) Floppy disk
    (B) Cache
    (C) Swapping devices
    (D) Magnetic disk

13. Which of the following statements is false?
    (A) A small page size causes large page tables
    (B) Internal fragmentation is increased with small pages
    (C) A large page size causes instructions and data that will not be referenced brought into primary storage
    (D) I/O transfers are more efficient with large pages

14. Which, of the following, is true for testing and debugging?
    (A) Testing checks for logical errors in the programs, while debugging is a process of correcting those errors in the program
    (B) Testing detects the syntax errors in the program while debugging corrects those errors in the program
    (C) Testing and debugging indicate the same thing
    (D) All of the above

15. Which of the following is false about disk when compared to main memory?
    (A) Non-volatile
    (B) Longer storage capacity
    (C) Lower price per bit
    (D) Faster

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