Brendan questions

Brendan answers

• ASM - What is "%" used for?
• How is data copied from user space to kernel space and vice versa during I/O tasks?
• Cost of instruction jumps in assembly
• Application runs faster when not pegged to cores
• what would the system software have to do if the processor did not generate interrupts?
• Are characters signed or unsigned?
• What is a memory block?
• compare two strings (nul-terminated) other than doing it byte-by-byte?
• Can I pop from the middle of a stack?
• pthreads - Join on group of threads, wait for one to exit