Operating System – Set 5 January 28, 2025 by aasi Home › Computer Operator › Operating System Operating System Operating System – Set 5 📝 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 5 Dear ! This is Operating System – Set 5 Quiz and it contains 50 questions. Keep Learning! 1 / 50 1) Which of the following treats hardware as a file system ? Windows NT DOS Linux UNIX 2 / 50 2) A software used to create job queue is? Caller Linkage editor Spooler Interpreter 3 / 50 3) In which storage replacement strategy a program is placed in a largest hole in memory ? Worst fit Best fit First fit Conference fit 4 / 50 4) The number of processes completed per unit time is known as……? Capacity Throughput Output Efficiently 5 / 50 5) Multiprogramming system? Execute more jobs in the same time period Are easier to develop than single programming system Execute each job faster Are used only mainframe computers 6 / 50 6) The mechanism that bring a page into memory only when it is needed is called? Fragmentation Sagmntation Demand paging Page and replacement 7 / 50 7) Paging is a technique? Used to increase the priority of processed that are waiting for long times Used to increase the priority of processed that are currently running Used to decrease the priority processes that are currently running Used to decrease the priority that are waiting for long time 8 / 50 8) The directory found in most UNIX systems is usr unmap brk waitpid 9 / 50 9) Correcting errors in a program is referred to as? Debugging Rectifying Bugging Modifying 10 / 50 10) ……runs on computer hardware and serve a plaform for other spftware to run on? Operating system System software Application All 11 / 50 11) Which of the following will determine your choice of systems software for your computer? Is it expensive? Both A & C Is it compatible with your hardware? Is the applications software you want to use compatible with it? 12 / 50 12) The part of machine level instruction which tells the center processor what has to be done, is? Operation code Flip flop Address Locater 13 / 50 13) An example of a distributed OS is? Microsoft DOS UNIX Multi cs Amoeba 14 / 50 14) The primary purpose of an operating system is…….? To keep system programmer employed To allow people to use the computer To make the most efficient use of the computer hardware To make computers easier to use 15 / 50 15) Size of the virtual memory depends upon? Size of main memory Data bus Address bus Memory buffer register 16 / 50 16) Peer hole optimization is an example of? Constant folding Laptop optimization Local optimization Data flow analysis 17 / 50 17) Round robin scheduling is essentially the preemtive version of_______? Shortest job first Longest time first FIFO Shortest remaining 18 / 50 18) Round robin scheduling is essentially the preemptive version of_______? FIFO Shortest job first Shortes remaining Longest time first 19 / 50 19) A page fault Is an access to the page not currently in memory Pages used in previous page referencee Is an error specific page Occur when a page program occur in a page memory 20 / 50 20) ….interface consists of things like program counter,registers,interruts and terminals? Software None Data Hardware 21 / 50 21) ……system is built directly on the hardware? Environment Operating System None 22 / 50 22) The page replacement policy that suffers from balady’s anamoly is? OPTIMAL FIFO LFU LRV 23 / 50 23) In the blocked state? The processes waiting for I/O are found The process which is running is found None of these The processes waiting for the processor are found 24 / 50 24) The operating system creates….from the physical computer? Virtual device Virtual computers Virtual space None 25 / 50 25) What is the memory 1k-640k called? Conventional memory Extended memory Normal memory Low memory 26 / 50 26) Loading’an OS from secondary memory to primary memory? Booting Refreshing Compiling Recovering 27 / 50 27) Swapping? works best with many small partitions Allows many programs to use memory simultaneously Does not work with overlaying Allows each program in turn to use the memory 28 / 50 28) …..is used in operating system to separate mechanism from policy? Two level implementation None Single level implementation Multi-level implementation 29 / 50 29) What is a shell? Is a hardware component It is a command interpreter It is a part in compiler It is a tool in CPU scheduling 30 / 50 30) ….is the first program run on a computer when the computer boots up? System software None Operating system System opretions 31 / 50 31) Virtual memory is…….? All illusion of extremely large main memory An extremely large main memory A type of memory used in super computers An extremely large secondary memory 32 / 50 32) Find the pre-emptive scheduling algorithm from the following? Shortest job next Priority based Shortest job first Round robin technique 33 / 50 33) Which command displays the list of all previous commands entered by the used? DIR/ALL DOSKEY COMMANDS/ALL KEYDOS 34 / 50 34) In process management, Round-Robin is essentially the pre-emptive mechanism of? SSF LTF FIFO FILO 35 / 50 35) Windows is? Real time Multi-user Multi-structured Pre-emptive 36 / 50 36) Which of the following operating does not implement multitasking truly? Windows NT Windows 98 MS DOS Windows XP 37 / 50 37) Cache memory is? Non-Volatile ram Low speed RAM High speed RAM High speed register 38 / 50 38) Which of the following algorithm suffers from the belady’s anomly? FIFO LIFO Optimal algorithm None of these 39 / 50 39) Banker’s algorithm is used for? Deadlock avoidance Deadlock prevention Deadlock recovery Deadlock comparison 40 / 50 40) ……is the layer of a computer system between the hardware and the user program? Operating system Operating environment System environment All 41 / 50 41) Concurrent process are? Process that overlap in time Processes that are executed by the processor at yhe same time None of these Processes that do not overlap in time 42 / 50 42) ……share characteristics with both hardware and software? Data Operating system Software None 43 / 50 43) What is page stealing? To speed up main memory read operation To increase the capacity of main memory It takes page frames from other working sets None of these 44 / 50 44) While working with MS-DOS which command is used to more file from one directory to another? Copy Move Xcopy Rename 45 / 50 45) Routine is not loaded until it is called. All routines are kept on disk in a relocatable load format. The main program is loaded into memory & is executed. This type of loading is called……? Dynamic loading Overlays Dynamic linking Static loading 46 / 50 46) An assembler is used to translate a program written in? A high language Middle language A low language Assembly language 47 / 50 47) Which is not the state of the process? Privileged Blocked Ready Running 48 / 50 48) ….interface consists of things like program counter,registers,interruts and terminals? None Data Hardware Software 49 / 50 49) Moving process from main memory to disk is called? Caching Swapping Termination interruption 50 / 50 50) Which command is used to set a name to a disk in DOS? VOLUME DISKLABEL LABEL VOL 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
