Computers cannot communicate with each other directly over telephone lines because they use digital pulses whereas telephone lines use analog sound frequencies. What is the name of the device which permits digital to analog conversion at the start of a long distance transmission?
Eight stations are competing for the use of a shared channel using the 'Adaptive tree Walk Protocol'. If the stations 7 and 8 are suddenly become ready at once, how many bit slots are needed to resolve the contention?
Options: a program that places programs into memory and prepares them for execution, a program that automate the translation of assembly language into machine language, is a program that appears to execute a source program as if it were machine language, program that accepts a program written in a high level language and produces an object program