Write a new system call getreadcount() for xv6 OS. The return type and parameters are: int getreadcount(void)
The call returns the total number of times the read() system call has been invoked since the time the kernel was booted. Note that the kernel does not keep a counter. You must add it.

Jessie has received a contract to build a real-time application for a baker. however, the baker doesn't want to invest too much money. his only requirement is that he wants the customers to know which cupcakes are available at what time and in what quantity. so his core requirement is that the details of product should be in real time. what platform can jessie use to develop this application?

Which one of the following is the most accurate definition of technology? a electronic tools that improve functionality b electronic tools that provide entertainment or practical value c any type of tool that serves a practical function d any type of tool that enhances communication

You have a small company and want to keep your costs low, but it is important your employees share data. which network would provide you with the most economical solution?