Why we use modem, Computer Engineering

Assignment Help:

Q. Why we use Modem?

A Modem is one device which most computer users who have surfed Internet are aware of.  A modem is neededsincehowever most of telecommunications have become digital most telephone connections at user end are still analog POTS (Plain Old Telephone Systems/Sets/Service). But the computer is a digital device and henceforth another device is requiredthat can convert digital signals to analog signals and vice-versa.  Such a device is Modem. Modem signifies Modulator/Demodulator.  Modulation is process that puts digital information on to analog circuit by modifying a constant wave (signal) known as the Carrier.  This is what happens whenever you press a button to connect to Internet or to a web site.  Demodulation is reverse process that derived digital signal from modulated wave. This is what happens when you receive data from a website which then gets displayed by your browser.


Related Discussions:- Why we use modem

Write a recursive algorithm, Write a recursive algorithm to count the numbe...

Write a recursive algorithm to count the number of right children in a binary search tree. Write the method levelCount whose header is given below. Method levelCount returns

Scoreboards- constrained-random verification methodology, Scoreboards- Cons...

Scoreboards- Constrained-Random Verification Methodology Scoreboards are used to verify that data has successfully reached its destination whereas monitors snoop the interfaces

Vliw instruction word, VLIW instruction word is compacted to have floating-...

VLIW instruction word is compacted to have floating-point addition, one branch, floating point multiply, and one integer arithmetic and load/store operation as displayed in Figure

Explain basic cpu structure, A computer manipulates data consistent with in...

A computer manipulates data consistent with instructions of a stored program. Stored program means that the data and program are stored in same memory unit. Central processing unit

Methodology and data collection in e-commerce, Introduction Our resear...

Introduction Our research methodology requires gathering relevant data from the specified documents in order to analyze the material and arrive at more complete understanding

Translator for low level programming language, Translator for low level pro...

Translator for low level programming language were called as    Assembler

Explain the matlab working environment, This is the set of tools and facili...

This is the set of tools and facilities that you work with as the MATLAB user or programmer. It contains facilities for managing the variables in your workspace and importing and e

Rules for minimisation using k maps, 1) All squares containing a 1 must be ...

1) All squares containing a 1 must be grouped. 2) The largest possible groups must be formed. 3) Groups can overlap if this allows larger groups to be formed. 4) Groups mu

How to reduce total amount of disk space in ftp, Q. How to reduce total amo...

Q. How to reduce total amount of disk space in FTP? FTP service compress files to reduce total amount of disk space the files require. Before transferring a file user should te

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd