Operating System – Set 4 January 28, 2025 by aasi Home › Computer Operator › Operating System Operating System Operating System – Set 4 📝 Model Practice Set ⚡ Instant Answers & Explanation 🎯 Exam Oriented 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) MS_DOS is a …… operating system ? User-friendly GUI Popular command-driven 2 / 50 2) The batch file uses the extension? DOC BAT DOS Bach 3 / 50 3) Linux is a/n …….. operating system? windows Embedded Open source Mac 4 / 50 4) What is the maximum length allowed for primary name of a computer file under DOS? 3 None of these 8 12 5 / 50 5) The bankers algorithm is used? To prevent deadlock in operating sys None of these To detect deadlock in operating systems To rectify a deadlocked state 6 / 50 6) Resolution of externally defined sumbols is performed by? Assembler Loader Compiler Linker 7 / 50 7) A major security problem for operating system is? Human problem Authentication problem None of these Physical problem 8 / 50 8) Bootstrap or vector is called? Secondary program Grappling hook program Primary storage Main program 9 / 50 9) A tree structured file directory system ? Is a much debated unecessary feature Allows easy storage and retrieval of file names Is not essential when we have millions of files None of these 10 / 50 10) Which of the following topologies consists of multiple CPU connected single communication line running the length of the network? Star Bus Ring Tree 11 / 50 11) In wildcard specification ‘?’ Is used as replacement for? Three character None of these One character Two character 12 / 50 12) Which of the following is the process by which a users privileges risks except? None of these Authorization Access control Authentication 13 / 50 13) Memory management is? Replaced with virtual memory on on current systems Not used on multiprogramming systems Not used in modern operating system Critical for even the simplest operating systems 14 / 50 14) Telnet is a service that runs? Telivision on net Telnet Cable tv network Remote program 15 / 50 15) With DOS, you may use the ‘*’ and ‘?’: To represent unspecified characters in a filename In the extension but not in the drive name or the file name When changing the default setting Instead of wildcard characters 16 / 50 16) Which of following approaches do not require knowledge of the system state? Deadlock avoidance None of these Deadlock prevention Deadlock detection 17 / 50 17) A microsoft windows is……..a(n? Operating system Graphic program Database Word processing 18 / 50 18) Process is? Program in execution Contets of main memory Program in high level language kept on disk A job in secondary memory 19 / 50 19) 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 20 / 50 20) A device that forwards data packet from one network to another is called a? Bridge Switch Hub Gateway 21 / 50 21) 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 22 / 50 22) To protect system, there are how many security levels? 3 1 2 4 23 / 50 23) Every file must have a………? Data Records Field File name 24 / 50 24) A computer system that permits multiple users to run programs at same time ? Time sharing Multi-tasking system Multi-processing Real time system 25 / 50 25) A public key encryption system? Allows only the correct receiver to decode the data Allows only on to decode the transmission Allows only the correct sender to decode the data Does not encode the data before transmitting it 26 / 50 26) The startup routine runs, when mechine boots up is known as? Operating Routine I/O operation POST BOOT up 27 / 50 27) The simplest way to break a deadlock is to? Preempt a resource Roll back Lock one of the processes Kill one of the processes 28 / 50 28) 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 Multimedia Picture 29 / 50 29) Security violation due to? Both A and B Malicious None of these Accidental 30 / 50 30) To avoid the race condition, the number of processes that may be simultaneously inside their critical section is? 1 16 8 31 / 50 31) Dead-lock in an Operating System is? Desirable process ALL Undesirable process Definite waiting process 32 / 50 32) Using windows explorer, a plus(+ sign in front of a folder indicates……..? The folder contains subfolder The text file None of these An open folder 33 / 50 33) A computer communication technology that provides a way to interconnect multiple computer across short distance is? LAN Wireless Network MAN WAN 34 / 50 34) Which of the following scheduling policy is well suited for time shared operating system? Elevator Round robin First com first serve Shortest job first 35 / 50 35) 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 track of data A block of data A cylinder of data 36 / 50 36) The DIR command in DOS operating system? Extracts a list of file names Erases file Copies files None of these 37 / 50 37) FIFO scheduling is_____? Deadline scheduling Non preemptive scheduling Fair share scheduling Preemptive scheduling 38 / 50 38) All of the following are examples of real security and privacy risks except? Spam Virus Hacker Theft 39 / 50 39) Which command is used to see the sub-directory structure of drive? None of these Tree List Subtree 40 / 50 40) Memory management is? Replaced with virtual memory on current systems Not used on multiprogramming systems Critical for even the simplest operating systems Not used in modern operating system 41 / 50 41) Which directory implementation is used in most Operating System? Two level directory structure Tree directory structure Single level directory structure Acyclic directory structure 42 / 50 42) Operating system is also known as? Hardware System software Database Printer 43 / 50 43) Which is not application software? Photoshop Windows NT Winword XP Page Maker 44 / 50 44) 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 45 / 50 45) The…..program compresses large files into a smaller file? WinStyle WinZip WinShrink None of these 46 / 50 46) Which of the following commands is goven to reboot the computer? Ctrl + Alt + Shift Ctrl + Alt + Del Ctrl + Shift + Del Ctrl + Alt + TAB 47 / 50 47) _______Is a high level abstraction over semaphore? None of these Mutual exclusion Monitor Shared memory 48 / 50 48) Which of the following is program group? Accessories Paint Word All of above 49 / 50 49) The part of machine level instruction, which tells the Central processor what has to be done,is? Operating code Address Flip-Flop Locator 50 / 50 50) How many characters form a secondary name for a file? 8 12 3 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
