C++ pls

I need a program that run with no mistake

Which one of the following is considered a peripheral? a software b mouse c usb connector d motherboard

Which text function capitalizes the first letter in a string of text? question 10 options: upper capital first proper

Suppose a cpu with a write-through, write-allocate cache achieves a cpi of 2. what are the read and write bandwidths (measured by bytes per cycle) between ram and the cache? (assume each miss generates a request for one block.)