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) FIFO scheduling is_____? Preemptive scheduling Deadline scheduling Fair share scheduling Non preemptive scheduling 2 / 50 2) The bankers algorithm is used? To prevent deadlock in operating sys None of these To rectify a deadlocked state To detect deadlock in operating systems 3 / 50 3) Dead-lock in an Operating System is? Desirable process Definite waiting process Undesirable process ALL 4 / 50 4) Which of the following refers to the associative memory? The address of the data is supplied by the users The address of the data is generated by the CPU The data are accessed sequentially There is no need for an address i.e the data is used as an address 5 / 50 5) Which of the following commands is goven to reboot the computer? Ctrl + Alt + Shift Ctrl + Alt + TAB Ctrl + Alt + Del Ctrl + Shift + Del 6 / 50 6) Security violation due to? Both A and B None of these Accidental Malicious 7 / 50 7) 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 cylinder of data A plate of data A track of data A block of data 8 / 50 8) The batch file uses the extension? BAT Bach DOS DOC 9 / 50 9) A device that forwards data packet from one network to another is called a? Switch Gateway Bridge Hub 10 / 50 10) The startup routine runs, when mechine boots up is known as? I/O operation Operating Routine BOOT up POST 11 / 50 11) Resolution of externally defined sumbols is performed by? Loader Assembler Linker Compiler 12 / 50 12) Which command is used to see the sub-directory structure of drive? None of these List Tree Subtree 13 / 50 13) The simplest way to break a deadlock is to? Roll back Lock one of the processes Preempt a resource Kill one of the processes 14 / 50 14) Which of the following scheduling policy is well suited for time shared operating system? Round robin Shortest job first Elevator First com first serve 15 / 50 15) Which directory implementation is used in most Operating System? Two level directory structure Single level directory structure Acyclic directory structure Tree directory structure 16 / 50 16) The part of machine level instruction, which tells the Central processor what has to be done,is? Address Operating code Locator Flip-Flop 17 / 50 17) Which of the following topologies consists of multiple CPU connected single communication line running the length of the network? Bus Ring Tree Star 18 / 50 18) Which is not application software? Page Maker Windows NT Winword XP Photoshop 19 / 50 19) Memory management is? Replaced with virtual memory on on current systems Critical for even the simplest operating systems Not used on multiprogramming systems Not used in modern operating system 20 / 50 20) _______Is a high level abstraction over semaphore? Monitor Shared memory None of these Mutual exclusion 21 / 50 21) All of the following are examples of real security and privacy risks except? Virus Theft Hacker Spam 22 / 50 22) Bootstrap or vector is called? Primary storage Grappling hook program Main program Secondary program 23 / 50 23) Which of following approaches do not require knowledge of the system state? Deadlock prevention Deadlock avoidance Deadlock detection None of these 24 / 50 24) What is the name given to the database management system which is able to handle full text data, image data, audio & video? Video Full media Multimedia Picture 25 / 50 25) A computer system that permits multiple users to run programs at same time ? Multi-tasking system Real time system Multi-processing Time sharing 26 / 50 26) A public key encryption system? Allows only the correct sender to decode the data Allows only the correct receiver to decode the data Does not encode the data before transmitting it Allows only on to decode the transmission 27 / 50 27) It is not possible to have a deadlock involving only a single process. Why? This follows directly from the hold-and-wait condition None of these Because single process not always in safe state This holds mutual exclusion,hold-and-wait and non-preemption 28 / 50 28) A system program that combines the separately compiled modules of a program into a form suittable for execution? Cross compiler Load and go Assembler Linking loader 29 / 50 29) Operating system is also known as? Database Printer System software Hardware 30 / 50 30) Using windows explorer, a plus(+ sign in front of a folder indicates……..? The text file None of these The folder contains subfolder An open folder 31 / 50 31) The…..program compresses large files into a smaller file? None of these WinStyle WinShrink WinZip 32 / 50 32) Process is? A job in secondary memory Program in high level language kept on disk Contets of main memory Program in execution 33 / 50 33) Which of the following is the process by which a users privileges risks except? Access control Authorization Authentication None of these 34 / 50 34) Telnet is a service that runs? Cable tv network Telnet Remote program Telivision on net 35 / 50 35) With DOS, you may use the ‘*’ and ‘?’: In the extension but not in the drive name or the file name Instead of wildcard characters When changing the default setting To represent unspecified characters in a filename 36 / 50 36) Which of the following is program group? Paint Accessories All of above Word 37 / 50 37) To avoid the race condition, the number of processes that may be simultaneously inside their critical section is? 8 16 1 38 / 50 38) A computer communication technology that provides a way to interconnect multiple computer across short distance is? LAN MAN Wireless Network WAN 39 / 50 39) What is the maximum length allowed for primary name of a computer file under DOS? 8 12 3 None of these 40 / 50 40) How many characters form a secondary name for a file? 8 3 12 None of these 41 / 50 41) To protect system, there are how many security levels? 2 1 4 3 42 / 50 42) Linux is a/n …….. operating system? Open source windows Embedded Mac 43 / 50 43) Every file must have a………? Data Field File name Records 44 / 50 44) In wildcard specification ‘?’ Is used as replacement for? Two character Three character None of these One character 45 / 50 45) MS_DOS is a …… operating system ? GUI Popular User-friendly command-driven 46 / 50 46) Memory management is? Replaced with virtual memory on current systems Not used on multiprogramming systems Not used in modern operating system Critical for even the simplest operating systems 47 / 50 47) A tree structured file directory system ? Is not essential when we have millions of files None of these Is a much debated unecessary feature Allows easy storage and retrieval of file names 48 / 50 48) A major security problem for operating system is? Authentication problem None of these Physical problem Human problem 49 / 50 49) A microsoft windows is……..a(n? Database Word processing Graphic program Operating system 50 / 50 50) The DIR command in DOS operating system? Erases file None of these Extracts a list of file names Copies files 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
