Docsity
Docsity
Prepare for your exams
Prepare for your exams

Study with the several resources on Docsity

Earn points to download
Earn points to download

Earn points by helping other students or get them with a premium plan

Guidelines and tips
Guidelines and tips
Sell on Docsity
Sell on Docsity
Docsity AI
Docsity AI
Log inSign up

Prepare for your exams

Study with the several resources on Docsity

Find documents

Prepare for your exams with the study notes shared by other students like you on Docsity

Search for your university

Find the specific documents for your university's exams

Docsity AINEW

Summarize your documents, ask them questions, convert them into quizzes and concept maps

Explore questions

Clear up your doubts by reading the answers to questions asked by your fellow students

Earn points to download

Earn points by helping other students or get them with a premium plan

Share documents
download point icon20 Points

For each uploaded document

Answer questions
download point icon5 Points

For each given answer (max 1 per day)

All the ways to get free points
Get points immediately

Choose a premium plan with all the points you need

Study Opportunities

Choose your next study program

Get in touch with the best universities in the world. Search through thousands of universities and official partners

Community

Ask the community

Ask the community for help and clear up your study doubts

Free resources

Our save-the-student-ebooks!

Download our free guides on studying techniques, anxiety management strategies, and thesis advice from Docsity tutors

Basic Building Blocks - Computer Networks - Lecture Slides, Slides of Computer Networks

Jaypee University of Engineering & TechnologyComputer Networks

Some concept of Computer Networks are Aloha Ethernet, Application Layer Protocols, Basic Building Blocks, Computer Networking, Content Free Protocols, Medium Access Sub Layer, Packetised Filetransmission. Main points of this lecture are: Basic Building Blocks, Nodes, Switches, Forward Messages, Internet, Routers, Communication, Purpose Hardware, Hardware Building Blocks, Links

Typology: Slides

2012/2013

Uploaded on 04/27/2013

banoo
banoo 🇮🇳

4.5

(4)

43 documents

1 / 7

Toggle sidebar

This page cannot be seen from the preview

Don't miss anything!

bg1
Hardware Building Blocks
• Nodes
– Hosts for users
–Switches
• Forward messages across a LAN
– Routers
• Forward messages across the Internet
– Switch and/or Router must for Communication
• Special purpose hardware
Docsity.com
pf3
pf4
pf5

Partial preview of the text

Download Basic Building Blocks - Computer Networks - Lecture Slides and more Slides Computer Networks in PDF only on Docsity!

Hardware Building Blocks

• Nodes

  • Hosts for users – Switches
    • Forward messages across a LAN
      • Routers
        • Forward messages across the Internet
          • Switch and/or Router must for Communication
            • Special purpose hardware

Hardware Building Blocks

• Links

  • TP/ Fibre/ Coaxial cable/ Wireless(radio,

microwave, infrared

  • physical medium – propagates signals
    • EM waves travelling at the speed of light in vacuum • speed varies with the medium

EM Range (Hz)

4

8

10

14

16

radio

microwave

infrared

Ultra violet

Visible light

satellite

10 AM

6

EM Range and Media

Fibre optic(visible light)

4

5

6

7

8

9

10

11

12

13

14

15

16

TP

Coaxial cable

satellite

Terestrialmicro wave

Radio – Micro wave – Infrared - UV

AM

FM

TV

Transmission of data

• Wave Must encode binary data

Implies this must encode binary data.