Automatic Repeat ReQuest(ARQ) When the receiver detects errors in a packet, how does it let the transmitter know to re-send the corresponding packet? Systems which automatically request the retransmission of missing packets or packets with errors are called ARQ systems Three common schemes Stop Wait

Text i Christmas What do you know about ChristmaS? .3 Christmas Christmas tree Christmas card Christmas books · NicholaS saint

To provide a deeper understanding of strategic analyses-know the situation. To discuss in more detail the strategic options that firm can consider-make a decision. To explore rational and creative approaches to strategy implementation-the tough part of strategy. To discuss how to evaluate and control the strategy selected

Purposes To get students know the importance of integrity 2. To understand the purpose df writing and master the three principles of Integrity Triad 3. To reinforce some basic linguistic knowledge by doing various types of exercises

Purposes 1. To get students know Chinese culture 2. To understand the purpose of writing and the characteristics of argumentation 3. To reinforce some basic linguistic knowledge by doing various types of exercises

Purposes 1. To get students know something about Valentihe's Day and how people celebrate it 2. To understand the purpose of writing 3. To reinforce some basic linguistic knowledge by doing various type of exercises

I Pre-Reading Task How much do you know about the Internet? 2. What do people usually do on the Internet 3. What has made the Internet possible?

1. When you can measure what you are speaking about, and can express it in numbers, you know something about it; but when you cannot measure it, when you cannot express it in numbers, your knowleage is of a meagre and unsatisfactory kind: It may be the beginning of knowledge, but you have scarcely in your thoughts advanced to the stage of science. Lord Kelvin, a physicist

Look at the following pictures of big companies with u international reputation, Do you know whether they have some problems of business ethics. If they have, what are they? Listen to a short passage about how Japanese

Lesson Number 14(Unit 14) Telecommunications Grade Teaching Mode Lecturing Content The Public Telecommunication Network Class hours 2 Periods 1. to know the concept, the four generic architectural components and the five classes of switching centers about the public telecommunication network