Implement a system of three concurrent processes which read and write sequence numbers to a file. Each of the three processes must obtain 200 integers from the file. The file only holds one integer at a given time. Given a file, F, containing a single integer, each process must perform the following steps: 1. Open F 2. Read an integer N from the file 3. Close F 4. Output N and the process ID (PID) (either on the screen or an output file) 5. Increment N by 1 6. Open F 7. Write N to F (overwriting the current value in F) 8. Close F a) Will the numbers that are read by the processes always be unique? Or do you observe duplicates of numbers being obtained by different processes? That is, does a particular integer N appear in the output of more than one process? b) Rewrite your implementation of these 3 processes to guarantee that no duplicate numbers are ever obtained by the processes. In other words, each time the file is read by any process, that process reads a distinct integer. The processes must run concurrently. c) Briefly describe why the code sequence above can lead to duplication of integer values and discuss how your solution will avoid these duplicates. Note: Processes MUST be independent and concurrent. You may NOT run one process after another (serially). Please try to do this in C or C++!

What does establishing a console screen buffer serve as?

How do you check whether a device output is affected by an application? Is it possible to preserve the operating system and its stability and functionality while expanding the user base?

Specifically, which Windows 7 editions are 32-bit only?