solve this also

solve all this

Answer the following Questions 1- What is the mode bit? What is its function? 2- Explain how OS explore the error in the running program? 3- It is true that all the program can be one process? Explain 4- Why we need more than one program counter (PC) to run multi-threaded process? 5- What mean by creating and deleting both user and system processes? 6- Can we execute a program without bring it to the memory? Explain. 7- Give example for the access control that provided by OS for the files. (show image or a print screen photo) 8- Nominate one of the solution that used for enhancing the speed disk subsystem. 9- What are the differences between emulation and virtualization? 10- Fill the following table by providing examples of the suitable computer environment. Computing environment Operating system The suitable system Mobile Client server Peer-to-peer Cloud Real time Answer the following Questions 1- Give 5 differences definition for operating system. 2- What the goals of operating system (give explanation to each goal)? 3- Give 5 examples to each one of the following: i. Operating systems ii. Application programs iii. User 4- What is the differences between operating systems and application programs? 5- It is possible for computer system to work without interrupting the CPU? Explain 6- It is possible for computer system to work without bootstrap program? Explain 7- Why we have different I/O structures? 8- What are the main categories that can be used for differentiated between the storages 9- What are the differences between single processor computer system and multi-processors? 10- What are the differences between multiprogramming operating system and timesharing? Answer the following Questions 1- Give 5 differences definition for operating system. 2- What the goals of operating system (give explanation to each goal)? 3- Give 5 examples to each one of the following: i. Operating systems ii. Application programs iii. User 4- What is the differences between operating systems and application programs? 5- It is possible for computer system to work without interrupting the CPU? Explain 6- It is possible for computer system to work without bootstrap program? Explain 7- Why we have different I/O structures? 8- What are the main categories that can be used for differentiated between the storages 9- What are the differences between single processor computer system and multi-processors? 10- What are the differences between multiprogramming operating system and timesharing? Answer the following Questions 1- What is the mode bit? What is its function? 2- Explain how OS explore the error in the running program? 3- It is true that all the program can be one process? Explain 4- Why we need more than one program counter (PC) to run multi-threaded process? 5- What mean by creating and deleting both user and system processes? 6- Can we execute a program without bring it to the memory? Explain. 7- Give example for the access control that provided by OS for the files. (show image or a print screen photo) 8- Nominate one of the solution that used for enhancing the speed disk subsystem. 9- What are the differences between emulation and virtualization? 10- Fill the following table by providing examples of the suitable computer environment. Computing environment Operating system The suitable system Mobile Client server Peer-to-peer Cloud Real time