1) What is the primary role of the kernel in an operating system? a) Managing user interfaces b) B. Managing communication between hardware and software c) Executing applications d) D. Encrypting files 2) Which OS type processes jobs in groups without real-time interaction? a) Distributed OS b) Batch OS c) Real-Time OS d) Multiprocessing OS 3) What is a common challenge of distributed operating systems? a) Limited scalability b) High dependency on network stability c) Low fault tolerance d) Lack of multitasking capabilities 4) Which mobile OS is based on Linux and open-source software? a) iOS b) Android c) Windows Mobile d) Symbian 5) What does "sandboxing" in mobile OS do? a) Improves user interface b) Isolates apps for security c) Enhances app performance d) Encrypts files 6) Which type of OS is best for systems requiring instant responses? a) Batch OS b) Distributed OS c) Real-Time OS d) Time-Sharing OS 7) What is a primary advantage of multiprocessing systems? a) Low hardware costs b) High throughput and fault tolerance c) Minimal setup complexity d) Simplifies repetitive tasks 8) Which operating system has the highest market share for mobile devices? a) iOS b) Windows c) Android d) Linux 9) What is an advantage of a batch OS? a) Immediate task execution b) Simplifies repetitive tasks c) Optimized for portability d) Scalability 10) Which OS type ensures fair CPU time sharing among users? a) Batch OS b) Time-Sharing OS c) Mobile OS d) Real-Time OS 11) The kernel is responsible for managing user interfaces. a) True b) False 12) Mobile operating systems are designed for portable devices like smartphones and tablets. a) True b) False 13) Distributed systems rely heavily on stable network connections. a) True b) False 14) Real-time operating systems are best suited for repetitive batch jobs. a) True b) False 15) Android is an open-source mobile operating system. a) True b) False 16) Multiprocessing systems use a single processor to handle multiple tasks. a) True b) False 17) Sandboxing enhances mobile app security by isolating applications. a) True b) False 18) Batch OS allows immediate user interaction during job processing. a) True b) False 19) Fault tolerance is a key benefit of distributed operating systems. a) True b) False 20) Mobile operating systems prioritize portability and power efficiency. a) True b) False 21) What is a challenge of real-time operating systems? a) High flexibility b) High cost and limited adaptability c) Low performance d) Inefficient resource utilization 22) Which OS type is commonly used for flight booking systems? a) Real-Time OS b) Time-Sharing OS c) Multiprocessing OS d) Mobile OS 23) What does "fragmentation" refer to in Android OS? a) Enhanced security b) Multiple versions coexisting across devices c) Optimized performance d) Fault tolerance 24) What is an advantage of mobile operating systems? a) High resource allocation for desktops b) User-friendly and secure c) Requires high power consumption d) Supports large-scale server operations 25) Which OS type distributes work across many computers in a network? a) Batch OS b) Distributed OS c) Real-Time OS d) Multiprocessing OS 26) What is a key feature of iOS compared to Android? a) Open-source b) Stronger security and regular updates c) High customization options d) Supports a wider range of devices 27) What is an advantage of time-sharing operating systems? a) Inefficient multitasking b) Fair CPU allocation for multiple users c) Low user interaction d) Limited scalability 28) What does file system management in an OS do? a) Allocates CPU time b) Organizes and retrieves data c) Handles hardware communication d) Manages app permissions 29) What is a key disadvantage of batch OS? a) Requires expensive hardware b) Lacks real-time capabilities c) Limited fault tolerance d) Low performance 30) What is the most widely used desktop operating system? a) Linux b) macOS c) Windows d) Chrome OS 31) What year was Android first released as an open-source operating system? a) 2006 b) 2008 c) 2010 d) 2012 32) Which company created the first version of UNIX in the 1960s? a) IBM b) AT&T Bell Labs c) Microsoft d) General Motors 33) What was the first operating system developed for? a) Managing tape storage in the 1950s b) Managing distributed networks c) Powering mobile devices d) Supporting graphical user interfaces 34) What was the first operating system developed by Microsoft? a) MS-DOS b) Windows XP c) Windows 95 d) Windows 7 35) When was the first version of Windows released? a) 1975 b) 1985 c) 1995 d) 2005 36) Which operating system introduced the first smartphone with user-installable software? a) iOS b) Symbian OS c) Windows Mobile d) Palm OS 37) What significant mobile OS development occurred in 2007? a) The release of iOS with the first iPhone b) The release of Android OS c) The creation of Symbian OS d) The introduction of Palm OS 38) What was the first Linux-based cell phone? a) Motorola A760 b) Nokia 7650 c) HTC Dream d) Sony Magic Link 39) When was the General Motors Research Lab's operating system implemented on IBM 701? a) Early 1950s b) Mid-1960s c) Early 1970s d) Late 1980s 40) The first version of Windows was released in 1995. a) True b) False 41) UNIX was developed in the late 1960s by AT&T Bell Labs. a) True b) False 42) Android OS was first commercially released in 2008. a) True b) False 43) The first iPhone OS supported user-installable software out of the box. a) True b) False 44) The first Symbian OS smartphone allowed user-installed software. a) True b) False 45) When did Microsoft release MS-DOS? a) 1980 b) 1981 c) 1985 d) 1990 46) What was a major innovation of UNIX in the 1960s? a) Time-sharing and multitasking capabilities b) Integration with mobile devices c) Distributed network management d) Virtual memory support 47) What operating system was released alongside the first Android device, the HTC Dream? a) Android 1.0 b) Android 1.5 Cupcake c) Android 2.1 Eclair d) Android 4.0 Ice Cream Sandwich 48) Which mobile OS dominated the market before Android and iOS? a) Symbian OS b) Windows Mobile c) Palm OS d) BlackBerry OS 49) What type of systems were controlled by embedded operating systems from 1973–1993? a) Mobile phones b) Supercomputers c) Personal computers d) Networking devices

Operating Systems and Mobile OS

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