‘earg02t Basie Operating System MCQs - Sanfouncry SANFOUNDRY Operating System Questions & Answers - Basics Next» This set of Operating System Multiple Choice Questions & Answers (MCQs) focuses on “Basics” 1. What is an operating system? a) collection of programs that manages hardware resources b) system service provider to the application programs interface between the hardware and application programs d) all of the mentioned View Answer Answer: d Explanation: An Operating System acts as an intermediary between _user/user applications/application programs and hardware. It is a program that manages hardware resources. It provides services to application programs. advertisement ————— htps:hww.sanfoundry comloperating-system-questions-answers-basics! wr‘earg02t Basie Operating System MCQs - Sanfouncry 2. To access the services of operating system, the interface is provided by the a) System calls b) API ©) Library d) Assembly instructions View Answer Answer: a Explanation: To access services of the Operating System an interface is provided by the System Calls. Generally, these are functions written in C and C++. Open, Close, Read, Write are some of most prominently used system calls. 3. Which one of the following is not true? a) kernel is the program that constitutes the central core of the operating system b) kernel is the first part of operating system to load into memory during booting ©) kernel is made of various modules which can not be loaded in running operating system d) kernel remains in the memory during the entire computer session View Answer Answer: ¢ Explanation: Kernel is the first program which is loaded in memory when OS is loading as well as it remains in memory till OS is running. Kernel is the core part of the OS which is responsible for managing resources, allowing multiple processes to use the resources and provide services to various processes. Kernel modules can be loaded and unloaded in run-time i.e. in running OS. 4, Which one of the following error will be handle by the operating system? a) power failure A b\ lack of naner in printer htps:hww.sanfoundry comloperating-system-questions-answers-basics! an‘vo0r021 Basle Operating System MCQS - Sanfouncry Answer: d Explanation: All the mentioned errors are handled by OS. The OS is continuously monitoring all of its resources. Also, the OS is constantly detecting and correcting errors. 5. What is the main function of the command interpreter? a) to get and execute the next user-specified command ) to provide the interface between the API and application program 0) to handle the files in operating system d) none of the mentioned View Answer Answer: a Explanation: The main function of command interpreter is to get and execute the next user- specified command. Command Interpreter checks for valid command and then runs that command else it will throw an error. advertisement 6. In Operating Systems, which of the following is/are CPU scheduling algorithms? a) Round Robin b) Shortest Job First ©) Priority d) All of the mentioned View Answer htps:hww.sanfoundry comloperating-system-questions-answers-basics! a7‘vo0r021 Basle Operating System MCQS - Sanfouncry i) First Come First Served scheduling ii) Shortest Job First scheduling ii) Priority scheduling iv) Round Robin scheduling v) Multilevel Queue scheduling vi) Multilevel Feedback Queue scheduling All of these scheduling algorithms have their own advantages and disadvantages. 7. Ifa process fails, most operating system write the error information toa___ a) log file b) another running process new file d) none of the mentioned View Answer Answer: a Explanation: If a process fails, most operating systems write the error information to a log file. Log file is examined by the debugger, to find out what is the actual cause of that particular problem. Log file is useful for system programmers for correcting errors. 8. Which facility dynamically adds probes to a running system, both in user processes and in the kernel? a) DTrace b) DLocate c) DMap d) DAdd View Answer Answer: a Explanation: A facility that dynamically adds probes to a running system, both in user process and in the kernel is called DTrace. This is very much useful in troubleshooting kernels in real-time. 9. Which one of the following is not a real time operating system? a) VxWorks b) QNX c) RTLinux d) Palm os we nina htps:hww.sanfoundry comloperating-system-questions-answers-basics! an‘earg02t Basie Operating System MCQs - Sanfouncry operating system. Palm OS is developed for Personal Digital Assistants (PDAS). advertisement 10. The OS X has a) monolithic kernel b) hybrid kernel ©) microkernel d) monolithic kernel with modules View Answer Answer: b Explanation: OS X has a hybrid kernel. Hybrid kernel is a combination of two different kernels. OS Xis developed by Apple and originally it is known as Mac OS X. Sanfoundry Global Education & Learning Series - Operating System. Here's the list of Best Reference Books in Operating System. To practice all areas of Operating System, here is complete set on 1000+ Multiple Choice Questions and Answers on Operating System. Participate in the Sanfoundry Certification contest to get free Certificate of Merit. Join our so“ networks below and stay updated with latest contests, videos, internships and jobs! “ htps:hww.sanfoundry comloperating-system-questions-answers-basics!‘earg02t Basic Operating System MCQs - Sanfouncry advertisement Recommended Posts: 1, Python Programming Examples on Stacks & Queues 2. Home 3, Java Programming Examples on Multithreading 4, Java Programming Examples on Exception Handling 5. C Programming Examples on Puzzles & Games 6. C# Programming Examples 7. C# Programming Examples on Events 8 Simple C Programs 9. Ci# Programming Examples on Delegates 10. Programming Examples 11, Linux Questions and Answers 12. C# Programming Examples on Threads 13. C# Programming Examples on Files 14, C#t Programming Examples on LINQ 15, Java Programming Examples 16. Java Programming Examples on File Handling 17. Java Programming Examples on Networking. 18, C# Programming Examples on Networking 19. C Programming Examples on File Handling 20. Operating System Questions and Answers - CPU Scheduling Algorithms-2 advertisement htps:ww.sanfoundry comloperating-system-questions-answers-basics!‘earg02t Basie Operating System MCQs - Sanfouncry Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry. He is Linux Kernel Developer & SAN Architect and is passionate about competency developments in these areas. He lives in Bangalore and delivers focused training sessions to IT professionals in Linux Kernel, Linux Debugging, Linux Device Drivers, Linux Networking, Linux Storage, Advanced C Programming, SAN Storage Technologies, SCSI Internals & Storage Protocols such as iSCSI & Fiber Channel. Stay connected with him @ Linkedin Subscribe Sanfoundry Newsletter and Posts Name" Email" ¥ © @ & © 2011-2021 Sanfoundry. All Rights Reserved. htps:hww.sanfoundry comloperating-system-questions-answers-basics! a