CSCI 112 Fall 2016
Exploring Computer Science
Archived Class
Charles Cusack
Computer Science
Hope College
Main
Schedule
Grading
Gradebook
Homework
Project

Policies
College
    Policies
Advice

Notes
Programs
Tutorials

CSCI 112
CSCI 125
Others

Admin

Homework 12

General Comments

  • Problem from the book are taken from the Chapter Review Problems sections.
  • For full credit, provide context for each problem, show all calculations, and explain your work/answers.
  • Numbers and/or algebra by themselves are not enough.
  • You will lose a significant amount of credit if you do not show enough work/context for your answers.
  • Homework assignments must be very neatly written or typeset (e.g. using Word or OpenOffice).

Details

Do the following exercises from pages 194-195 of your textbook (182-183 in full book) and the ones listed below.
PROBLEMPointsComments
134Give specific numerical evidence for your answer.
146
164This problem involves two conversions. Show both.
1 below6
2 below4
3 below2

    1. What is the difference between a bridge and a repeater?
    2. What is the difference between a bridge and a switch?
    3. What is the difference between a switch and a router?
  1. The backbone of the Internet has a lot of built in redundancy. That is, there are generally many ways to route information from one machine to another.
    1. Why is this a good thing?
    2. Give one problem that arises because of this.
  2. In the CSMA/CD protocol, if a machine detects a collision, it waits a random amount of time before trying to transmit again. Explain why it does this rather than immediately trying again or using a fixed wait time.