Computer Operating System Mcqs 121- Main functions of an OS include: A. Application developmentB. Network connectionC. Printing and scanningD. Memory, CPU, device, and file management View Answer Answer : D. Memory, CPU, device, and file management Description 122- The main purpose of an operating system is to: A. Connect devicesB. Manage hardware and software resourcesC. Run gamesD. Store documents View Answer Answer : B. Manage hardware and software resources Description 123- The kernel of an OS: A. Runs only applicationsB. Manages only input/outputC. Controls system resources like CPU, memory, and devicesD. Provides user interface View Answer Answer : C. Controls system resources like CPU, memory, and devices Description 124- Which of the following is a type of OS? A. LinuxB. Microsoft WordC. PrinterD. CPU View Answer Answer : A. Linux Description 125- File management in OS includes: A. Creating, reading, writing, and deleting filesB. Running multiple CPUsC. Connecting devicesD. Scheduling tasks only View Answer Answer : A. Creating, reading, writing, and deleting files Description 126- Examples of real-time OS include: A. macOSB. DOSC. Embedded RTOS for robotics and medical devicesD. Windows 10 View Answer Answer : C. Embedded RTOS for robotics and medical devices Description 127- Graphical interface benefits include: A. Storage expansionB. Memory allocationC. Faster CPUD. Easier navigation for users View Answer Answer : D. Easier navigation for users Description 1 2 3 4 5 6 7
