OS I Unit

What is an operating system?

• interface between the hardware and application programs

• collection of programs that manages hardware resources

• system service provider to the application programs

• all of the mentioned

What is the main function of the command interpreter?

• to provide the interface between the API and application program

• to handle the files in the operating system

• to get and execute the next user-specified command

• None of the above

To access the services of the operating system, the interface is provided by the

• Library

• System calls

• Assembly instructions

• API

Which one of the following is not true?

• kernel remains in the memory during the entire computer session

• kernel is made of various modules which cannot be loaded in running operating system
  
  

• kernel is the first part of the operating system to load into memory during booting

• kernel is the program that constitutes the central core of the operating system

Which one of the following errors will be handle by the operating system?

• lack of paper in printer

• connection failure in the network

• interrupts

• all of the mentioned

Which one of the following is a real-time operating system?

• Payroll system

• Air traffic control

• transaction processing system

• None

Which one of the following is a batch operating system?

• Payroll system

• Air traffic control

• transaction processing system

• None

For real time operating systems, interrupt latency should be ____________

• zero

• minimal

• maximum

• None

Which of the following OS is an example of Simple structure?

• Linux

• Mac

• MS-DOS

• QNX

Which of the following OS is an example of Micro Kernel structure?

• Linux

• Mac

• MS-DOS

• QNX