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1. What factors should be considered when selecting a digital encoder (line codes)? Briefly mention five of those factors. Use sketches and additional text to describe the following encoding techniques: NRZ-L, Bipolar-AMI, Manchester, HDB3, B8ZS and 4B/5B. Your description of each technique should include the encoding rule, advantages and disadvantages. No mathematical equations are necessary.
what is the operations in atree structured directory.
This is an embedded system that involves the integration of hardware and software design stages. It consists of the user interface (keypads and LCD display) and two Peripheral Inte
Discuss the different techniques with which a file can be shared among different users. Several popular techniques with that a file can be shared among various users are: 1
What is bus arbitration? It is method by which the next device to become the bus master is selected and bus mastership is transferred to it. There are two ways for doing this:
Explain the main part of configuration of a step by step switching system with the help of a neat diagram . Configuration of a step by step switching system: A step
Problem: (a) Describe how a Mobile Terminating call, from a PSTN phone, is processed in a GSM network. Illustrate your answer with a diagram. (b) What is a GPRS Support node
Role of Internet, Intranet and extranet in e-business The following information activities are carried out in many business: 1. Selling of raw materials 2. Advertising o
This step of systems examination is one of the most difficult. In this stage systems specifications are identified by asking what, who, when, where and how. A few questions address
Objectives After studying this unit you should be able to: 1. list various types of reprographic methods, 2. describe uses of various kinds of typewriters, 3. explain
Draw an expression tree for the string. f + (x+y) *((a+b)/(c-d)). Indicate the register requirement for each node and list out the evaluation order for the expression tree. For
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