Operating System – Set 4 January 28, 2025 by aasi 0% Report a question What’s wrong with this question? You cannot submit an empty report. Please add some details. 1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950 Operating System – Set 4 Dear ! This is Operating System – Set 4 Quiz and it contains 50 questions. Keep Learning! 1 / 50 1) A tree structured file directory system ? None of these Allows easy storage and retrieval of file names Is a much debated unecessary feature Is not essential when we have millions of files 2 / 50 2) _______Is a high level abstraction over semaphore? None of these Shared memory Monitor Mutual exclusion 3 / 50 3) Resolution of externally defined sumbols is performed by? Compiler Linker Assembler Loader 4 / 50 4) Which of the following is program group? Paint Accessories Word All of above 5 / 50 5) FIFO scheduling is_____? Preemptive scheduling Non preemptive scheduling Deadline scheduling Fair share scheduling 6 / 50 6) Process is? Contets of main memory A job in secondary memory Program in execution Program in high level language kept on disk 7 / 50 7) To avoid the race condition, the number of processes that may be simultaneously inside their critical section is? 1 16 8 8 / 50 8) Dead-lock in an Operating System is? ALL Definite waiting process Undesirable process Desirable process 9 / 50 9) Every file must have a………? Records Field File name Data 10 / 50 10) Which of the following commands is goven to reboot the computer? Ctrl + Alt + TAB Ctrl + Alt + Del Ctrl + Alt + Shift Ctrl + Shift + Del 11 / 50 11) Linux is a/n …….. operating system? Mac Embedded Open source windows 12 / 50 12) Security violation due to? Accidental Malicious None of these Both A and B 13 / 50 13) The DIR command in DOS operating system? Copies files Erases file None of these Extracts a list of file names 14 / 50 14) Bootstrap or vector is called? Secondary program Primary storage Grappling hook program Main program 15 / 50 15) In wildcard specification ‘?’ Is used as replacement for? One character Two character Three character None of these 16 / 50 16) Memory management is? Not used in modern operating system Not used on multiprogramming systems Replaced with virtual memory on on current systems Critical for even the simplest operating systems 17 / 50 17) A public key encryption system? Allows only the correct receiver to decode the data Allows only on to decode the transmission Does not encode the data before transmitting it Allows only the correct sender to decode the data 18 / 50 18) A device that forwards data packet from one network to another is called a? Gateway Hub Switch Bridge 19 / 50 19) A microsoft windows is……..a(n? Operating system Word processing Database Graphic program 20 / 50 20) How many characters form a secondary name for a file? 12 None of these 8 3 21 / 50 21) A major security problem for operating system is? Physical problem None of these Human problem Authentication problem 22 / 50 22) Which directory implementation is used in most Operating System? Tree directory structure Two level directory structure Acyclic directory structure Single level directory structure 23 / 50 23) What is the name given to the database management system which is able to handle full text data, image data, audio & video? Full media Video Picture Multimedia 24 / 50 24) Which command is used to see the sub-directory structure of drive? Subtree List None of these Tree 25 / 50 25) It is not possible to have a deadlock involving only a single process. Why? This follows directly from the hold-and-wait condition Because single process not always in safe state This holds mutual exclusion,hold-and-wait and non-preemption None of these 26 / 50 26) The maximum amount of information that is available in one portion of the disk access arm for a removal disk pack(without further movement of the arm with multiple heads)? A plate of data A block of data A track of data A cylinder of data 27 / 50 27) A computer communication technology that provides a way to interconnect multiple computer across short distance is? WAN Wireless Network LAN MAN 28 / 50 28) The simplest way to break a deadlock is to? Preempt a resource Lock one of the processes Kill one of the processes Roll back 29 / 50 29) Which is not application software? Page Maker Photoshop Windows NT Winword XP 30 / 50 30) Which of the following is the process by which a users privileges risks except? Authentication Access control None of these Authorization 31 / 50 31) Which of following approaches do not require knowledge of the system state? Deadlock avoidance None of these Deadlock detection Deadlock prevention 32 / 50 32) All of the following are examples of real security and privacy risks except? Virus Theft Spam Hacker 33 / 50 33) The…..program compresses large files into a smaller file? None of these WinShrink WinStyle WinZip 34 / 50 34) Which of the following topologies consists of multiple CPU connected single communication line running the length of the network? Star Tree Bus Ring 35 / 50 35) Which of the following refers to the associative memory? The address of the data is supplied by the users The data are accessed sequentially The address of the data is generated by the CPU There is no need for an address i.e the data is used as an address 36 / 50 36) A system program that combines the separately compiled modules of a program into a form suittable for execution? Load and go Cross compiler Assembler Linking loader 37 / 50 37) Operating system is also known as? Hardware System software Printer Database 38 / 50 38) What is the maximum length allowed for primary name of a computer file under DOS? 12 None of these 8 3 39 / 50 39) Memory management is? Critical for even the simplest operating systems Replaced with virtual memory on current systems Not used in modern operating system Not used on multiprogramming systems 40 / 50 40) The part of machine level instruction, which tells the Central processor what has to be done,is? Locator Flip-Flop Operating code Address 41 / 50 41) The startup routine runs, when mechine boots up is known as? POST Operating Routine I/O operation BOOT up 42 / 50 42) To protect system, there are how many security levels? 3 2 1 4 43 / 50 43) The bankers algorithm is used? To rectify a deadlocked state To detect deadlock in operating systems To prevent deadlock in operating sys None of these 44 / 50 44) MS_DOS is a …… operating system ? User-friendly Popular command-driven GUI 45 / 50 45) The batch file uses the extension? BAT Bach DOC DOS 46 / 50 46) A computer system that permits multiple users to run programs at same time ? Multi-tasking system Real time system Multi-processing Time sharing 47 / 50 47) With DOS, you may use the ‘*’ and ‘?’: In the extension but not in the drive name or the file name When changing the default setting To represent unspecified characters in a filename Instead of wildcard characters 48 / 50 48) Telnet is a service that runs? Cable tv network Telnet Remote program Telivision on net 49 / 50 49) Which of the following scheduling policy is well suited for time shared operating system? Shortest job first First com first serve Round robin Elevator 50 / 50 50) Using windows explorer, a plus(+ sign in front of a folder indicates……..? The text file The folder contains subfolder None of these An open folder Your score isThe average score is 0%🎉 Challenge alert! 💡 Share this quiz with your friends and see who scores the highest! 🏆🤩🔥 LinkedIn Facebook Follow Us @ 0% Restart quiz Exit We’d love to hear your thoughts! 📝 Share your valuable review with us. 🙌 🌟 Thank you for your support! Your feedback means the world to us. 🙏💖 Send feedback
