Suppose a computer can execute 1 billion instructions/sec and that a system call takes 1000 instructions, including the trap and context switching. How many system calls can the computer execute per second and still have half the CPU capacity for running application code?

What is transmission control protocol/internet protocol (tcp/ip)? software that prevents direct communication between a sending and receiving computer and is used to monitor packets for security reasons a standard that specifies the format of data as well as the rules to be followed during transmission a simple network protocol that allows the transfer of files between two computers on the internet a standard internet protocol that provides the technical foundation for the public internet as well as for large numbers of private networks