32 Questions
In a computer system, what is the primary function of the Operating System in terms of error detection?
To take appropriate action to ensure correct and consistent computing
What is one of the primary goals of the resource allocation function in an Operating System?
To ensure efficient use of system resources
What is the purpose of debugging facilities in an Operating System?
To enhance the user's and programmer's abilities to efficiently use the system
What is one of the ways that processes may exchange information in a computer system?
Via shared memory
What is the term for moving packets of data by the Operating System?
Message passing
What is the term for the allocation of resources such as CPU cycles, main memory, file storage, and I/O devices?
Resource allocation
What is the primary function of the kernel in the UNIX OS?
To manage hardware and provide operating-system functions
What is the characteristic of the Linux system structure?
Monolithic plus modular design
What is the top layer in the layered approach to operating system design?
User interface
What is the purpose of the system-call interface in the UNIX OS?
To separate the kernel from the system programs
What is the characteristic of the traditional UNIX system structure?
Simple but not fully layered
What is the main purpose of mechanisms in operating systems?
To determine how to perform tasks
Which programming languages are typically used for systems programming?
C, C++, and scripting languages
What is the primary advantage of using high-level languages for operating system development?
Easier portability to other hardware
What is the main characteristic of a microkernel structure?
An abstraction-based structure
Why was the original UNIX operating system limited in its structuring?
Due to the limited functionality of the hardware
What is the benefit of separating policy from mechanism in operating system design?
Maximum flexibility for future policy changes
What is the primary purpose of logging in a multi-user or networked computer system?
To keep track of which users use how much and what kinds of computer resources
What is the main function of a Command Line Interface (CLI)?
To fetch a command from the user and execute it
What is the primary difference between a Command Line Interface (CLI) and a Graphical User Interface (GUI)?
CLI is used for text-based interactions, while GUI is used for visual interactions
What is the purpose of system calls in a computer system?
To provide a programming interface to the services provided by the operating system
What is the purpose of the system-call interface in a computer system?
To maintain a table indexed by system call numbers and invoke the intended system call in the OS kernel
What is the purpose of parameter passing in system calls?
To provide additional information to the operating system for executing a system call
What is the main purpose of process control system calls?
To create, execute, and manage processes
What is the primary purpose of device management system calls?
To request and release devices, and manage device attributes
What is the primary purpose of information maintenance system calls?
To get and set system data, and get time or date
What is a key benefit of using a microkernel architecture?
Easier extension and portability of the operating system
What is a characteristic of loadable kernel modules (LKMs)?
They are loaded dynamically as needed within the kernel
What is a common feature of hybrid operating systems?
They combine multiple approaches to address performance, security, and usability needs
What is the name of the microkernel used in Mac OS X?
Mach
What is a key difference between iOS and OS X?
iOS is designed for mobile devices and has a different CPU architecture
What is the name of the operating system that combines the Mach microkernel and BSD Unix parts?
Darwin
Learn about the processes of communication in operating systems, including shared memory and message passing, and the importance of error detection and correction mechanisms.
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