OSG202_C1_SU24_FE_953201

What is NOT an operating system mode?

• System mode
• User mode
• Kernel mode
• Supervisor mode

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

The was invented to attach all the slow I/O devices, such as the keyboard and mouse, to the computer.

• ISA
• PCI
• DMI
• USB

This register contains the condition code bits, which are set by comparison instructions, the CPU priority, the mode (user or kernel), and various other control bits is called the:

• All of the above
• IR (Instruction Register)
• PC (Program Counter)
• PSW (Program Status Word)

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

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

Which OS has three kinds of services: batch, transaction processing, timesharing?

• Server OS
• Multiprocessor OS
• PC OS
• Mainframe OS

In the context of modern computer components, the CPU (Central Processing Unit) is responsible for:

• Storing data for long-term use.
• Managing network connections.
• Executing program instructions and performing calculations.
• Displaying graphical user interfaces.

The basic concepts on which all operating systems are built are processes, memory management, I/O management, the file system, and security. What is the interface that is provided to access the services of the operating system?

• System calls
• API
• Library
• Assembly instruction

Which of the following process state transitions(from-to) is illegal?

• Ready, Blocked (waiting)
• Running, Blocked (waiting)
• Blocked, Ready
• Running, Ready