Computer Operating System Mcqs 1- An operating system is: A. Input deviceB. Storage deviceC. Hardware componentD. A program that allows the computer to communicate with the user View Answer Answer : D. A program that allows the computer to communicate with the user Description 2- The primary purpose of an operating system is to: A. Store data permanentlyB. Manage computer hardware and software resourcesC. Connect to networksD. Only run applications View Answer Answer : B. Manage computer hardware and software resources Description 3- Which of the following is NOT a function of an operating system? A. Providing a user interfaceB. Printing documentsC. Managing hardware resourcesD. Running application software View Answer Answer : A. Providing a user interface Description 4- The operating system acts as an interface between: A. Input and output devicesB. Storage and processingC. CPU and memoryD. User and computer hardware View Answer Answer : D. User and computer hardware Description 5- A command-line interface requires the user to: A. Use touchscreen gesturesB. Use a mouse onlyC. Type text commandsD. Click icons View Answer Answer : C. Type text commands Description 6- A graphical user interface allows users to: A. Connect to networksB. Only run system programsC. Use icons, windows, and menusD. Type commands only View Answer Answer : C. Use icons, windows, and menus Description 7- Examples of operating systems include: A. Windows, Linux, macOSB. Microsoft Word, ExcelC. Printer and scannerD. Internet browser View Answer Answer : A. Windows, Linux, macOS Description 8- Windows operating system is: A. A network protocolB. A storage deviceC. A command-line operating system onlyD. A graphical user interface operating system View Answer Answer : D. A graphical user interface operating system Description 9- Linux is: A. Open-source operating systemB. Only for personal computersC. Proprietary software onlyD. A storage device View Answer Answer : A. Open-source operating system Description 10- macOS is developed by: A. IBMB. GoogleC. AppleD. Microsoft View Answer Answer : C. Apple Description 11- Mobile operating systems include: A. Windows and LinuxB. Android and iOSC. macOS and Unix onlyD. DOS and Unix View Answer Answer : B. Android and iOS Description 12- The kernel of an operating system is: A. The outer user interfaceB. The core part that manages hardware and resourcesC. A type of storageD. Only for input devices View Answer Answer : B. The core part that manages hardware and resources Description 13- The operating system manages which of the following resources? A. HardwareB. SoftwareC. MemoryD. All of the above View Answer Answer : D. All of the above Description 14- Multitasking in an operating system means: A. Only using input devicesB. Using storage devicesC. Running one program at a timeD. Running multiple programs simultaneously View Answer Answer : D. Running multiple programs simultaneously Description 15- Multi-user operating system allows: A. Multiple users to use the computer simultaneouslyB. Only one user at a timeC. Only single programsD. Only networking View Answer Answer : A. Multiple users to use the computer simultaneously Description 16- Time-sharing operating system allows: A. Only single-user accessB. Only printing servicesC. Users to share files onlyD. Multiple users to share CPU time efficiently View Answer Answer : D. Multiple users to share CPU time efficiently Description 17- Real-time operating systems are used in: A. Personal computersB. Embedded systems, medical equipment, and robotics C. Web browsingD. Data storage View Answer Answer : B. Embedded systems, medical equipment, and robotics Description 18- Batch processing operating systems: A. Process jobs without user interactionB. Run one program at a timeC. Are only used in mobile devicesD. Allow real-time interaction View Answer Answer : A. Process jobs without user interaction Description 19- Multiprocessing operating systems: A. Only manage output devicesB. Only manage input devicesC. Use multiple processors to execute tasks simultaneouslyD. Run only one program View Answer Answer : C. Use multiple processors to execute tasks simultaneously Description 20- Multithreading operating systems: A. Only manage storageB. Only display outputC. Execute multiple threads of a single program simultaneouslyD. Run only one program View Answer Answer : C. Execute multiple threads of a single program simultaneously Description 1 2 3 4 5 6 7