chapter 3 Amplitude Modulation Fundamentals n the modulation process‚ the baseband voice‚ video‚ or digital signal modifies another‚ higher-frequency signal called the carrier‚ which is usually a sine wave. A sine wave carrier can be modified by the intelligence signal through amplitude modulation‚ frequency modulation‚ or phase modulation. The focus of this chapter is amplitude modulation (AM). I Carrier Amplitude modulation (AM) Objectives After completing this chapter‚ you
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Beej ’s Guide to Network Programming Using Internet Sockets Version 1.5.4 (17-May-1998) [http://www.ecst.csuchico.edu/~beej/guide/net] Intro Hey! Socket programming got you down? Is this stuff just a little too difficult to figure out from the man pages? You want to do cool Internet programming‚ but you don ’t have time to wade through a gob of structs trying to figure out if you have to call bind() before you connect()‚ etc.‚ etc. Well‚ guess what! I ’ve already done this nasty business
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Objective Programming PRG/211 – Algorithms and Logic for Computer Programming Procedural and Objective Programming Computer hardware runs off different programs that are installed on a computer. For these programs to run‚ they need to be coded correctly with minimal bugs. Designing and coding are the essentials of programming. The various methods to code a program have grown over the years. There are two basic types of programming that have been around for a long time; procedural programming‚ and
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Chapter 2 Computer programming often shortened to programming‚ scripting‚ or coding is the process of designing‚ writing‚ testing‚ debugging‚ and maintaining the source code of computer programs. This source code is written in one or more programming languages (such as Java‚ C++‚ C#‚ Python‚ etc.). The purpose of programming is to create a set of instructions that computers use to perform specific operations or to exhibit desired behaviors. The process of writing source code often requires expertise
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Unit 1‚ Research Assignment 1: Exploring Programming Languages 1.) There have been several versions of SQL created in the last 26 years. In 1986‚ SQL-86 (SQL-87) was first published. In 1989‚ SQL-89 was a minor revision made to the original SQL. In 1992‚ SQL-92 (SQL2) was a major revision to its previous version. In 1999‚ SQL-99 (SQL3) added regular expression matching‚ recursive queries‚ triggers‚ non scalar types and some object oriented features. In 2003‚ SQL-2003 introduced XML related
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Genealogy of Programming Languages Pre-computer era Analytical engine The analytical engine‚ an important step in the history of computers‚ was the design of a mechanical general- purpose computer by the British mathematician Charles Babbage. It was first described in 1837. Because of financial‚ political‚ and legal issues‚ the engine was never built. In its logical design the machine was essentially modern‚ anticipating the first completed general-purpose computers by about 100 years. The input
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Lecture - 5 Revisiting OOP CS223 CS223- Object Oriented Programming Spring 2012 Dr. Fawad Hussain What we have done so far? What is object-Oriented Programming? What is an object? What is a class? What are attributes? What are methods? How to write a simple class in C++. Constuctors Default‚ overloaded‚ Destructors But how to identify objects?? 2 Ghulam Ishaq Khan Institute – Spring 2012 Todays Lecture Revisiting OOP Identifying Objects‚ basics of OO analysis and
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College of Business Hospitality & Tourism Studies Department of Computer Science & Information System CIN623 Database Design & Programming Final Examination Trimester 1 – 2011 Date: Duration:3 hours plus 10 minutes INSTRUCTION TO STUDENTS 1. You are allowed ten minutes extra reading time during which you are not to write 2. Write all answers to each question in the Answer Booklet. 3. Write your Student ID number at the top of each attached sheet. 4. Insert all written foolscaps in their correct sequence
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and zip of the student’s permanent address‚ and to the student’s last name. Both social security number and student number have unique values for each student. (b) Each department is described by a name‚ department code‚ office number‚ office phone‚ and college. Both name and code have unique values for each department. (c) Each course has a course name‚ description‚ course number‚ number of semester hours‚ level‚ and offering department. The value of course number is unique for each course
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problem solving has pushed the development of newer programming languages. The evolution of programming languages is typically discussed in terms of generation of languages. The first generation of Programming languages is machine language‚ which required the use of binary symbols (0s and 1s). Because this is the language of the CPU‚ text file that are translated into binary sets can be read by almost every computer system platform. Developers of programming languages attempted to overcome some of the difficulties
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