OSG202_FA24_FE_307014

The operating system can be considered from two perspectives: resource manager and extension machine. From an extended machine perspective, what functions does the system provide to help users use it more conveniently than the actual machine?

• Provide users with abstract information.
• Provide users with progress information.
• Provides users with memory information.
• Provides users with information about the drive

Which early operating system was designed for the UNIVAC I computer and is often considered one of the first operating systems?

• MS-DOS
• UNIX
• COBOL
• EDVAC

What happens to the program counter after an instruction is fetched?

• It is reset to zero
• It is updated to point to the next instruction
• It is used to store the result of the instruction
• It is used to store the total length of the program being executed

Modern operating systems are primarily responsible for:

• Designing computer components.
• Managing and coordinating hardware resources.
• Developing software applications.
• Enhancing the user's browsing experience

Which operating system runs on systems with any CPU (multi-processor, multi-core, multi-chip)?

• Embedded OS
• Multiprocessor OS
• PC OS
• Server OS

Since operating systems interact closely with the hardware, some knowledge of computer hardware is useful for understanding them. Computers are built up of processors, memory, and I/O devices....Which of the following is not a part of the operating system?

• Performance monitor
• Input/output control program
• Job control program
• Supervisor

In Unix, which the POSIX system call creates the new process?

• fork
• create
• new
• CreateProcess

In the FIFO page replacement algorithm, what data structure is commonly used to implement the page replacement queue?

• Stack
• Queue
• Linked list
• Array

What are the basic states of a process?

• Running, Ready, and Blocked
• Running, Blocked, and Exit
• Create, Running, and Exit
• Create, Running, and Blocked

A computer has 4GB RAM of which the operating system occupies 2GB. The processes are all 1024 MB and have the same characteristics. How many percent is CPU utilization when these programs are idle waiting for I/O 50% of the time?

• 0.75
• 0.9
• 0.01
• 0.5