OSG202 - FA2024 - FE

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 sofürare 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 O/S 50% of the time?

• 0.75
• 0.9
• 0.01
• 0.5