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