Definition of Compiler Definition: A compiler is a computer program that transforms human readable source code of another computer program into the machine readable code that a CPU can execute. The act of transforming source code into machine code is called "compilation". This is the opposite to the process of interpretation. Definition of Machine Code Definition: Machine code is the name for the Instructions that a CPU can execute. It’s rather difficult to read as it is just numbers in memory
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benefit of the costs of a full-time equivalent (FTE)3 are $8‚000 per month (Rs. 368‚000) in the US and $3‚200 per month (Rs. 147‚200) in India‚ the resource reductions represent a significant benefit for PFS. 2) Under the data corruption prevention subroutine by writing a new comparison algorithm they could reduce the corruption incidents per year from 24 to 0and in the bargain saved cost of three programmers which was an FTE rateof $45 (Rs. 2‚070) per
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operations in an information system or program. Information system flowcharts show how data flows from source documents through the computer to final distribution to users. Program flowcharts show the sequence of instructions in a single program or subroutine. Different symbols are used to draw each type of flowchart. The Flowchart A Flowchart shows logic of an algorithm emphasizes individual steps and their interconnections e.g. control flow from one action to the next Flowchart Symbols Basic
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TABLE OF CONTENT 1. Introduction 2. Block diagram 3. Component list 4. Technical description • MAX232 • Data sheet Atmega • L293d Motor Driver • Com-Port(Serial communication) • Relay • Resistors • Connecting Wires Gantry crane Introduction Both overhead travelling cranes and gantry cranes are types of crane which lift objects by a hoist which is fitted in a trolley and can move horizontally on a rail or pair of rails
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CHALLENGES IN BENCHMARKING OF COMPUTER SYSTEMS Anirban Basu‚ Dept of CSE R&D‚ East Point College of Engineering & Technology Bangalore‚ India abasu@pqrsoftware.com . Abstract Benchmarking plays a critical role in evaluating the performance of systems that are ready for operation. However‚ with so many benchmarks available‚ and with absence of standardization‚ choosing the right benchmark is always not an easy task. Further interpretation of benchmarking result requires statistical analyses
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and computer pioneer and John William Mauchly‚ an American physicist. Eckert and Mauchly together invented the first general-purpose electronic digital computer‚ the ENIAC‚ and pioneered fundamental computer concepts including stored programming‚ subroutines and programming languages. The UNIVAC was the first commercial computer in the United States which incorporated Eckert’s invention of the mercury delay line memory. The UNIVAC name also refers to the associated line of computers which continues
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"Propeller Clock" Mechanically Scanned LED Clock Seven light emitting diodes spin‚ giving the illusion of numbers in the air An Overview: Top View Side View How this clock works: A motor spins the "propeller"‚ and a small microprocessor keeps track of time and changes the pattern on seven LEDs with exact timing to simulate a 7 by 30 array of LEDs. It is an illusion‚ but it works nicely. To build this clock‚ few things are needed‚ including: 1. Skill with motors and mechanical
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Programming Paradigms Programming languages • A Programming language is a notational system for describing tasks/computations in a machine and human readable form. • Most computer languages are designed to facilitate certain operations and not others: numerical computation‚ or text manipulation‚ or I/O. • More broadly‚ a computer language typically embodies a particular programming paradigm. Characteristics of a programming language: Every language has syntax and semantics: • Syntax: The syntax
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History of Computers Glenn G. Fabia Department of Computer Science Ateneo de Naga University A typical computer operation back when computers were people. Counting Tables History of Computers 2 A Modern Day Abacus (Oldest surviving‚ 300 B.C) Note how the abacus is really just a representation of the human fingers: the 5 lower rings on each rod represent the 5 fingers and the 2 upper rings represent the 2 hands. History of Computers 3 Napier’s Bones In 1617 John Napier
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History of Operating Systems Early computers lacked any form of operating system. The user had sole use of the machine; he would arrive at the machine armed with his program and data‚ often on punched paper tape. The program would be loaded into the machine‚ and the machine set to work‚ until the program stopped‚ or maybe more likely‚ crashed. Programs could generally be debugged via a front panel using switches and lights; it is said that Alan Turing was a master of this on the early Manchester
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