1 Computer Networks And The Internet 2 Application Layer 3 Transport Layer 4 The Network Layer: Data Plane 5 The Network Layer: Control Plane 6 The Link Layer And Lans 7 Wireless And Mobile Networks 8 Security In Computer Networks 9 Multimedia Networking Chapter1: Computer Networks And The Internet
1.1 What Is The Internet? 1.2 The Network Edge 1.3 The Network Core 1.4 Delay, Loss, And Throughput In Packet-switched Networks 1.5 Protocol Layers And Their Service Models 1.6 Networks Under Attack 1.7 History Of Computer Networking And The Internet 1.8 Summary Chapter Questions Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end... Problem R2RQ: The word protocol is often used to describe diplomatic relations. How does Wikipedia describe... Problem R3RQ: Why are standards important for protocols? Problem R4RQ Problem R5RQ Problem R6RQ Problem R7RQ Problem R8RQ Problem R9RQ Problem R10RQ Problem R11RQ Problem R12RQ: What advantage does a circuit-switched network have over a packet-switched network? What advantages... Problem R13RQ Problem R14RQ Problem R15RQ Problem R16RQ Problem R17RQ Problem R18RQ Problem R19RQ: Suppose Host A wants to send a large file to Host B. The path from Host A to Host B has three links,... Problem R20RQ Problem R21RQ Problem R22RQ Problem R23RQ: What are the five layers in the Internet protocol stack? What are the principal responsibilities of... Problem R24RQ Problem R25RQ Problem R26RQ Problem R27RQ Problem R28RQ Problem P2P: Equation 1.1 gives a formula for the end-to-end delay of sending one packet of length L over N links... Problem P3P Problem P4P Problem P5P Problem P6P: This elementary problem begins to explore propagation delay and transmission delay, two central... Problem P7P Problem P8P: Suppose users share a 3 Mbps link. Also suppose each user requires 150 kbps when transmitting, but... Problem P9P Problem P10P Problem P11P: In the above problem, suppose R1 = R2 = R3 = R and dproc = 0. Further suppose the packet switch does... Problem P13P Problem P14P: Consider the queuing delay in a router buffer. Let I denote traffic intensity; that is, I = La/R.... Problem P15P Problem P16P Problem P17P Problem P20P Problem P21P Problem P22P Problem P23P Problem P24P Problem P25P Problem P26P Problem P27P Problem P28P Problem P29P Problem P30P Problem P31P Problem P32P Problem P33P Problem P34P Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Can you help me to write a proposal Memo ( subject: proposal to purchase new books and programs for prep year computer lab) thanks so much for help
And this example
Transcribed Image Text: To:
Dr John Smith, Dean
From:
Ben Dover, Prep Year Computer Coordinator
Date:
28 Feb, 2018
Subject:
Proposal to purchase new books and programs for Prep Year Computer lab
Purpose
I am writing to propose a solution to a problem in my Computer Skills lab. The problem is that my books and
software are outdated. I recommend that you order new textbooks and new software for my Computer Skills lab. I
hope that you will approve this proposal and order the books this week. New books and software will improve my
students' computer skills and improve their grades.
The Problem with Current Books and Software
Currently, I teach five classes each day. There are 25-30 students in each of my classes. This means I am responsible
for over 100 students. We do not have an updated textbook to use for typing. The textbooks we have are the same
ones that we have been using for many years. The information in the textbooks is outdated. In fact, these are the
same books we used when we had typewriters instead of computers with keyboards. We also do not have good
software for teaching. The program isn't reliable. It is also very outdated and is different from the textbooks.
Another problem with these textbooks is that the information is very basic. The books do not include information
about word processing or computer applications. The only thing in the books is simple typing.
Furthermore, because the students have lessons every day, they need interesting materials; but both the books and the
software are very boring for students
A Solution to the Problem
The purchase of new textbooks and software will benefit all of my students. I propose that we order textbooks and
software from Glencoe Publishing. I have worked at two other colleges which used this software. The other teachers
at both of these schools agree that this software is a good choice. It is very up-to-date and it is also challenging and
fun for the students. The title of the book is Glencoe Basic Computer Skills. The software that comes with the
textbooks is called GPBCS.
This is an excellent choice for a textbook and software combination. The GPBCS software and the textbook are
integrated. The students can type the textbook exercises into the software program on the computer. Moreover, they
can get an immediate score of the errors and speed of each lesson. The software is easy to use and install. Students
have their own password and screen name, and their progress is automatically saved after each lesson.
Conclusion
In conclusion, I think it would be a great benefit to our college if you approved this proposal and order textbooks and
software for my lab. Before students can advance to their major courses, they must have basic computer skills. The
most basic computer skill is typing. If students cannot use a keyboard, they cannot use a computer. Purchasing this
program will ensure that students can benefit from the technology which they need to continue their studies at the
college. Please provide feedback as soon as possible because new courses will begin on APRIL 11, 2016, and
purchasing usually takes at least six weeks.
Process by which instructions are given to a computer, software program, or application using code.
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