GIOS P1L2

What is the main function of an operating system?

• To hide hardware complexity

• To manage underlying hardware resources

• To provide isolation and protection

• All of the above

Which of the following is an example of an embedded operating system?

• Microsoft Windows

• OS X

• Android

• Linux

What is the purpose of an operating system's memory management?

• To allocate memory for applications

• To schedule applications for execution on the CPU

• To control access to various network devices

• To ensure applications are isolated and protected

What is the role of the operating system's protection boundary?

• To distinguish between user-level and kernel-level execution

• To provide direct access to hardware resources

• To manage the underlying hardware components

• To optimize for the common case

Which type of operating system design includes everything off the bat?

• Monolithic OS

• Modular OS

• Microkernel

• None of the above

What is the main advantage of a modular operating system?

• Maintainability

• Size

• Verifiability

• Portability

Which component of the Linux kernel is responsible for memory management?

• Virtual file system

• Process management

• Memory management

• I/O kit for device drivers

What is the purpose of the I/O kit in Mac OS X?

• To provide Unix interoperability

• To support network I/O interface

• To manage memory

• To handle device drivers

What is the role of the Mach microkernel in Mac OS X?

• Memory management

• Thread scheduling

• IPC

• All of the above

What is the purpose of the operating system's file management service?

• To allocate memory for applications

• To schedule applications for execution on the CPU

• To manage files and directories

• To control access to various network devices