OS Interview Questions. A multi-tasking operating system enables the people situated at a different terminal to access a single computer system simultaneously. a) system libraries b) kernel code c) compilers d) utility programs. C. Multi-tasking operating system: D. All of the above: Q. DOS DOS was one of the most popular single-tasking (single-user) operating systems. Hence option (d) is the correct answer. Multi-tasking ; 1. (D) A terminal used to enter input data to a running program. UNIX operating system (a) can run on PC’s and larger system (b) is multitasking (c) is multiuser (d) all of these. Systems software consists of the operating system and utility programs. An example of an open source OS is. MOS can be desktop or mobile operating system (OS). Let it sleep for some time. (a) UNIX (b) MS-DOS (c) CP/M (d) PASCAL. • Multi-tasking- Using multi-user operating system we can perform multiple tasks at a time, i.e. One process at a time will run. This set of Embedded Systems Multiple Choice Questions & Answers (MCQs) focuses on “Multitasking Operating Systems”. Types of operating systems Single-tasking and multi-tasking. A) Private Cloud B) Hosted Private Cloud C) Public Cloud D) Local Cloud 3. A multi-tasking operating system is characterized by its capability to support the concurrent execution of more than one task. 2. These Multiple Choice Questions (MCQ) should be practiced to improve the unix skills required for various interviews (campus interview, walk-in interview, company interview), placements, entrance exams and … … Advantages. a) process b) task c) threads d) multi threads View Answer Answer: c Explanation: In the multitasking operating system, the process and tasks form the higher level whereas the thread is the lower level. Answer: (a) By operating system. 4 Multitasking is when multiple jobs are executed by the CPU simultaneously by switching between them. An operating system, application software An operating system is considered multitasking when it _____. System software: B. C. When computer gets hanged frequently. It allows more efficient use of the computer hardware; where a program is waiting for some external event such as a user input or an input/output transfer with a peripheral to complete, the central processor can still be used with another program. Example O/S are – Windows, Linux, Mac O/S. Task View. This is perfect, some gruff molding issues and outrage imperfections here and there but for a clone of a Fab reason addition to be this competently made and … Linux is a preemptive operating system. 9. It is a multiuser, multitasking and timesharing operating system. Some examples such as you can write any text, while surfing internet and downloading images with watching movies, etc. The 7. Answer : d. Q155. 8. Windows B. Linux C. Win NT D. DOS ANSWER: D You should choose Sleep option when A. An operating system is responsible for keeping track of where the data and program files are stored on secondary storage devices. System software is the software that controls a computer and allows you to use it. Multiprocessing OS. D. You finish working and going to bed. The most well-known multitasking operating system, Windows, has led the charge for many years in multi-tasking. Which of the following devices would use a real-time operating system? But in a simple operating system, there is no difference between the … A multi user operating system allows multiple users to access the computer at the same time. Which of the following operating systems first offered preemptive multitasking to the user? Nothing else will be done while the computer is doing this task. If X Window System is installed, Linux users can use X11 Forwarding to run _____ as they would on a Windows computer. 2. Multi programming – In a modern computing system, there are usually several concurrent application processes which want to execute. =Multitasking= {{Main article|Computer multitasking}} While a computer may be viewed as running one gigantic program stored in its main memory, in some systems it is necessary to give the appearance of running several programs simultaneously. One process at a time will run. Which of the following is not a multitasking operating system? A) True B) False 2. The main difference between preemptive and cooperative multitasking is that in preemptive multitasking, the operating system can initiate context switch from a running process to another process while in cooperative multitasking, the operating system does not initiate a content switch from a running process to another process.. Multitasking is the methodology of executing … Multitasking – Tasks sharing a common resource (like 1 CPU). It divides the overall operating and computing time between processes, and the switching of resources between different processes occurs through predefined criteria. Time sharing. 3) What is a superuser? Both of these concepts are for single CPU. I remember the debut of Windows in the early 1980s. Some examples include typing any text while browsing the Internet and downloading images while watching movies, etc. Which of the following is an example of a spooled device? a) Windows 98 b) Windows 2000 c) Windows XP d) Windows 95. An OS does the following activities related to multitasking − The user gives instructions to the operating system or to a program directly, and receives an immediate response. a. DOS b. Both of these concepts are for single CPU. D. preemptive interrupting. Clarification: Most of the systems have a multitasking operating system in which the software consists of modular blocks of codes which run under the control of the operating system. Unix (trademarked as UNIX) is a family of multitasking, multi user computer operating systems that derive from the original AT&T Unix, whose development started in the 1970s at the Bell Labs research center by Ken Thompson, Dennis Ritchie, and others. Single-User Multi-Tasking operating system is developed specially for one user, but this single user is able to perform to multiple tasks run at a same time frame. With its help, we are able to run many programs at the same time. The term multitasking, when paired with an operating system, refers to the users being allowed to accomplish more than one computative task, for instance: allowing the user to perform more than one task on an application program at a given time. Single-tasking Operating Systems. Such multitasking environment has the following features: 1. A) Unix B) Linux C) OS X D) COBOL E) DOS: A Preemptive multitasking allows the computer system to more reliably allow each process running on the operating system to get a regular amount of operating time. 9. Each program has its own window on the display screen. View Answer A. Ps/2 B. Dos C. Windows D. Windows NT ANSWER: B Which of the following is not a multitasking operating system? Examples include Microsoft Windows and Macintosh OS. 10. Following are the popular types of Operating System: Batch Operating System. The operating system manages the memory and resources among the various users according to the requirements. Preemptive multitasking is a type of multitasking that allows computer programs to share operating systems (OS) and underlying hardware resources. Operating System (OS) is one of the most scoring subjects in the Competitive Exams.Those who score great in it stands higher on the merit. You are leaving for a very short time and want to resume you work shortly. If the Operating System … Multitasking is an extremely important feature of an operating system. Operating System Interview Question MCQ Tests have the best questions to make you understand the topic well. Preemptive operating systems decide when to stop executing a process, and Prerequisite – Thread, Difference between multitasking, multithreading and multiprocessing A multitasking operating system is an operating system that gives you the perception of 2 or more tasks/jobs/processes running at the same time. Two or more tasks are carried out by the Operating system rather than switching from one process to another. To help students, we have started a new series call “Computer Awareness for Competitive Exams”. C. When computer gets hanged frequently. Many operating systems have been in use since mainframe computers. No concept of "multiple users", no "administrator" or "root" account. • It is also a single task operating system. 9. Operating systems Multitasking. This is a Most important question of gk exam. Multitasking, in an operating system, is allowing a user to perform more than one computer task (such as the operation of an application program) at a time. Which of the following works by dividing the processor’s time? ... Edit edition Solutions for Chapter 9 Problem 4PE: Which of the following is not a multitasking OS? Definition: A Multi-user operating system is a computer operating system which allows multiple users to access the single system with one operating system on it. Multiuser/Multitasking operating system is a powerful operating system that supports more than one user at a time, performing more than one task at a time, UNIX is an example of a multiuser/ multitasking operating system. 3. Ans: A. Processing system B. Time-sharing system C. Real Time system D. Distributed system. Let it sleep for some time. Each task has a priority, whereby it receives CPU’s memory and time 2. DOS DOS was one of the most popular single-tasking (single-user) operating systems. (A) Real time system (B) Time sharing system (C) Quick response system (D) Batch system Ans: A Real time system Question: 4 Which of the following software is used to simplify using of system software? OS provides a platform to … View Answer. B. Which of the following windows versionsupport64 bit processor? Multi-tasking Operating System. MS DOS does not implement the multitasking. 2) Which part of the UNIX operating system interacts with the hardware? … Which one of the following is not a linux distribution? The … operating system was initially created in the early 1970s at AT and T’s Bell Labs a. Linux b. DOS c. Unix d. GNU. Batch processing is a technique in which an Operating System collects the programs and data together in a batch before processing starts. When an OS processes task in a priority order, it is known as. Switches occur so frequently that the users may interact with each program while it is running. a.) Single-tasking means just that. All multitasking operating systems implement virtual memory. This is achieved by multitasking i.e. B. If there are multiple recycle bin for a hard disk. Modern desktop operating systems are considered single-user multitasking operating systems. 47. Concept of Context Switching and Time Sharing is used. Explanation: BIOS is used by the operating system. For example, any editing task can be performed while other programs are executing concurrently. Time Sharing Operating System d. Non Terminated File System c. Multi Tasking Operating System 171. Windows c. Unix d. Linux. A multitasking operating system gives the illusion that multiple tasks are running at once when in fact there is only a limited set of processors. Multitasking is a common feature of computer operating systems. End users use all these programs at the same time. Primitive multitasking environments provide "resource sharing", where specified memory location is assign for each task, and the task is activate in a strictly defined time intervals. A. Any Multi-user Operating System Is Incapable Of Multitasking. Which of the following is a multitasking, multiuser operating system that enables multiple users to access a single computer at the same time via the console, telnet, or SSH? Unix MCQ Questions. Restarting computer. having the computer switch rapidly between running each program in turn. In this section of Operating System Main Memory - Memory Management.it contain Operating System Main Memory - Memory Allocation Using Paging and Segmentation MCQs (Multiple Choice Questions Answers).All the MCQs (Multiple Choice Question Answers) requires in detail reading of Operating System subject as the hardness level of MCQs have been kept to advance level. Source: Online General Knolwedge. Which of the following is a multitasking, multi-user, operating system developed by Bell Laboratories that operates on a wide variety of computing platforms? It does this by dividing system resources amongst these tasks/jobs/processes and switching between the tasks/jobs/processes while they are … Q154. An operating system that allows a single user to perform more than one task at a time is called Single-User Multitasking Operating System. Single-tasking vs. Multi-tasking Operating Systems Single-tasking Operating Systems DOSDOSwas one of the most popular single-tasking (single-user) operating systems. Some of its "features": Single user system One process at a time will run No concept of "multiple users", no "administrator" or "root" account This is achieved by simultaneous management of several processes in the main memory at the same time and by availing I/O resources among-est the active tasks. Answer : c. Q156. Time-Sharing Operating Systems is one of the important type of operating system. • DOS means disk operating system. The first way distributes the block in a predefined way. Definition – Multitasking operating system provides the interface for executing the multiple program tasks by single user at a same time on the one computer system. Multitasking means to be able to run more than one program simultaneously. What are the types of operating system? An operating system is a software which performs all the basic tasks like file management, memory management, process management, handling input and output, and controlling peripheral devices such as disk drives and printers. The multitasking operating system specially develops for one user, but that single user can simultaneously perform multiple tasks. 48. 4) What is the windowing system of UNIX known as? While it was not a totally new technology – Xerox had something similar and Bill Gates was accused of stealing the concept from them – it was still new to the personal computer mass market. D. You finish working and going to bed. Some examples include typing any text while browsing the Internet and downloading images while watching movies, etc. Multitasking Operating System. Well organized Interview question Answers for Operating System. ... UNIX is a multiprogramming and multitasking operating system. All multitasking operating systems are multi-user operating systems. Linux is a) single user, single tasking b) single user, multitasking c) multiuser, single tasking d) multiuser, multitasking. Joe is a professor at BuildTree University. A) Unix B) Linux a. Macintosh OS X b. Linux c. … A multi user operating system allows multiple users to access the computer at the same time. The following image describes the working of a Batch Operating System. 1. a) single task operating system b) multitask operating system c) kernel d) applications. B. interruptive multitasking. In this post, our team has brought some of the well compiled “Operating system MCQ with answers” asked in Competitive Exams. Windows X Windows System Linux Apple iOS 10 points Question 2 1. A. a. Linux b. UNIX c. Windows d. Which operating system can you give smallest file name? An Operating System (OS) is an interface between a computer user. Example: we can edit a word document while browsing the internet. Unix (/ˈjuːn?ks/; trademarked as UNIX) is a family of multitasking, multiuser computer operating systems that derive from the original AT&T Unix, development starting in the 1970s at the Bell Labs research center by Ken Thompson, Dennis Ritchie, and others. Applications like Browsers, MS Office, Notepad Games, etc., need some environment to run and perform its tasks. we can run more than one program at a time. 2. No concept of "multiple users", no "administrator" or "root" account. The main goals of the Operating System are: (i) To make the computer system convenient to use, (ii) To make the use of computer hardware in efficient way. 1. Concept of Context Switching is used. Multitasking on Mobile Devices. In which of the following OS, the response time is very crucial? false. 1. Key Differences between Multiprogramming vs Multitasking. You are leaving for a very short time and want to resume you work shortly. Identify the facts on each operating system in the following questions. preemptive multitasking. Examples of operating systems: Windows, Linux, Mac O / S. Advantage: Solution (By Examveda Team) DOS (Disk Operating System) is not a multitasking operating system. 49. An operating system does the following activities related to batch processing − 1. Examples of operating systems: Windows, Linux, Mac O / S. Advantage: b. Unix Operating System is an b. a. you can set different size for each recycle bin. 9) What is the mean of the Booting in the operating system? The most recent version of MAC OS is based on the … operating system a. Show Answer. operating system types:-An operating system is such system software, with the help of which we run a computer. Which Of The Following Below Is Not A Cloud Model Described By Microsoft? A. Microsoft Windows 2000, IBM's OS /390, and Linux are examples of operating systems that can do multitasking (almost all of today's operating systems can). Question: 10. The system organizes the task queue special form. Which of the following program runs first when a Computer boots up? The operating system manages the memory and resources among the various users according to the requirements. a) debian b) gentoo c) open SUSE d) multics What is a Multiuser Operating System. An operating system that allows a single user to perform more than one task at a time is called The operating system is a platform that controls the programs of computer applications and acts as an interface between the user and computer hardware. As a multitasking system, MS Windows allows more than one program to reside in memory and operate at any given time. All tasks is receive reso… Windows b. Linux c. Unix d. CMOS. Operating system is a collection of (a) Software routines (b) Input-output devices (c) Hardware components (d) All of these. utilizes multiple peripherals at once b.) Time-sharing enables many people, located at various terminals, to use a particular computer system at the same time. Which one of the following is not a multitasking operating system? • Resource sharing- we can share different peripherals like printers, hard drives or we can share a file or data. A. Every computer system must have at least one operating system to run other programs. The computer is tired after working for the whole day. There are three ways for allocating memory to these blocks. It is used to configure and identify the hardware in a system such as the hard drive, floppy drive, optical drive, CPU, and memory. Summary: Multitasking involves being able to rapidly switch between different apps and to combine multiple sources of information.Small mobile screens limit users' ability to see content from different apps at the same time, so current operating-system support for multitasking focuses mostly on switching between different apps. C. multitasking handling. The user can use any and all resources on the computer. • Background processing- It means that when com… Publisher: mympsc.com. 2. OS provides a platform to … There are two kinds of multitasking operating systems: preemptive and cooperative. Answer: a Clarification: UNIX is an operating system developed in the early 1970’s at Bell Labs by Dennis Ritchie, Ken Thompson, and others. The user can use any and all resources on the computer. 5) What are Commands? Which of the following software is used to simplify using of system software? Different versions of Linux are known as distros. Question 41 options: A multitasking time sharing operating system contains a component called a scheduler which determines which of the processes or threads that are ready to run will actually run. In the multi-user operating system, different users connected at different terminals and we can access, these users through the network as shown in the diagram. • Multi-tasking- Using multi-user operating system we can perform multiple tasks at a time, i.e. we can run more than one program at a time. The Batch Operating System can be shared between multiple users. 11) Which of the following is a multitasking, multi-user, operating system developed by Bell Laboratories that operates on a wide variety of computing platforms? What is a Multiuser Operating System. Preemptive multitasking Preemptive multitasking is a task in which an operating system uses criteria to make a decision how long to allocate to any one task before giving another task a turn to use the operating system. Single-tasking operating system is one that allows only a single user to perform a single task at a time. Solution (By Examveda Team) DOS (Disk Operating System) is not a multitasking operating system. Real-time Operating System For this, each user is given a small time slice of CPU time. It is an operating system that supports large applications and makes full use of a system's physical memory. (A) A graphic display device. Cooperative Multitasking: Cooperative multitasking is a technique, which allows two or ore programs to cooperatively share the processing time and resources of the host processor. Question is : Which of the following is not a multitasking operating system? Multithreading is an extension of multitasking. A. single task operating system B. multitask operating system C. kernel D. applications Answer: B Clarification: The multitasking operating system works by dividing the processor’s time into different discrete time slots, that is, each application requires a defined … Which Of The Following Is Not A Multitasking Operating System Which Of The Following Is Not A Multitasking Operating System BY Which Of The Following Is Not A Multitasking Operating System in Articles #What's next? • It is a single user operating system. The operating system that runs more than one task at a time is known as a multitasking operating system (MOS). Multitasking or Time-Sharing Systems is a logical extension of multiprogramming. Single-tasking Operating Systems. A. preemptive multitasking. Never Terminated File System a. Multi User Operating System c. New Technology File System b. Some of its "features": Single user system. The computer is tired after working for the whole day B. Following are the key differences between multiprogramming vs multitasking: The term multiprogramming refers to the parallel execution of the process, which means multiple processes can execute concurrently by using a single processor at the same time, which increases the throughput of the system, where the operating system … (A) Time sharing (B) Multi-tasking (C) Operating environment (D) Spreadsheet Ans: A Time sharing Question: 5 UNIX operating system An operating system that requires you to quit one application before starting a different application is referred to as a _____ operating system. One may also ask, is Windows a multi user operating system? Operating system: C. System operations: D. In multiprogrammed system, the operating system simply switches to, and executes, another job when current job needs to wait. Multitasking Operating System. The multitasking operating system specially develops for one user, but that single user can simultaneously perform multiple tasks. Task View. #What's next? Unix MCQs : This section focuses on "Basics" of unix. With its help, we are able to run many programs at the same time. The computer is tired after working for the whole day. Tasking is not a multitasking operating system after Windows XP d ) is the software that acts as interface! Processes task in a priority order, it is known as a multitasking operating system does implement. Being able to run and perform its tasks the correct ANSWER a line printer used to input! S memory and resources among the various users according to the requirements first when computer! To … types of operating systems, Linux, MAC O/S is considered multitasking when it.. The debut of Windows in the operating system we can run multiple at. By operating system specially develops for one user, but that single to... X11 Forwarding to run more than one program simultaneously system and utility programs a user can use Forwarding... 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Can set different size for each recycle bin to resume you work shortly X Window is... Multi-User operating system more than one program at a time, i.e have started a new call... Multi-User operating system section focuses on `` Basics '' of UNIX known as in... And cooperative we are able to run and perform its tasks edition Solutions for Chapter 9 4PE... Leaves the memory more advanced multitasking system, there are three ways for allocating memory to blocks.