my lectures
TRANSCRIPT
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CS101 Introduction to Computing
Lecture 1Introduction
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Every minute dies a man,Every minute one is born
Alfred Tennyson(very famous poet)
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Every minute dies a man,And one and sixteenth is born
Charles Babbage(very famous computer scientist)
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Charles Babbage (1791-1871)
• Creator of the Analytical Engine - the first general-purpose digital computer (1833)
• The Analytical Engine was not built until 1943 (in the form of the Harvard Mark I)
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The Analytical Engine
• A programmable, mechanical, digital machine
• Could carryout any calculation
• Could make decisions based upon the results of the previous calculation
• Components: input; memory; processor; output
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Ada, Countess of Lovelace(1815-52)
• Babbage: the father of computingAda: the mother?
• Wrote a program for computing the Bernoulli’s sequence on the Analytical Engine - world’s 1st computer program
• Ada?A programming language specifically designed by the US Dept of Defense for developing military applications was named Ada to honor her contributions towards computing
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A lesson that we all can learn from Babbage’s Life
• Charles Babbage had huge difficulties raising money to fund his research
• As a last resort, he designed a clever mathematical scheme along with Ada, the Countess of Lovelace
• It was designed to increase their odds while gambling. They bet money on horse races to raise enough money to support their research experiments
• Guess what happened at the end? The lost every penny that they had.
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What value doComputers bring?
Why use a computer?
What are they good at?
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fast
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bored
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storage
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What type of What type of problems are problems are notnot suitable for suitable for computerscomputers?
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Here is a fact:
In 1997 Deep Blue, a supercomputer designed by IBM, beat Gary Kasparov, the World Chess Champion
That computer was exceptionally fast, did not get tired or bored. It just kept on analyzing the situation and kept on searching until it found the perfect move from its list of possible moves
And now a question …
It could analyze up to 300 billion chess moves in three minutes
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can computers
thinkthink??
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?embedded embedded computerscomputers
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Goals for Today
1. To develop an appreciation about the capabilities of computing
2. To find about the structure & policies of this course
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CS101 Introduction to Computing
Course Contents& Structure
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Course Objectives
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To build an appreciation for the fundamental concepts in computing
To become familiar with popular PC productivity software
To achieve a beginners proficiency in Web page development
1.2.3.
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Fundamental concepts1.2.3.
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Web page development
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Productivity software
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Finals Week
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Fundamental concepts1.2.3.
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Intro to computingEvolution of computingComputer organizationBuilding a PCMicroprocessorsBinary numbers & logicComputer softwareOperating systemsApplication softwareAlgorithmsFlowchartsProgramming languages
Development methodologyDesign heuristics Web design for usabilityComputer networksIntro to the InternetInternet servicesGraphics & animationIntelligent systemsData managementCyber crimeSocial implicationsThe computing profession The future of computing
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Web page development
1.2.3.
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Web Development
The World Wide WebMaking a Web pageLists & tablesInteractive formsMore on formsObjects & methodsData types & operators
Flow control & loopsArraysBuilt-in functionsUser-defined functionsEvent handling String manipulation Images & graphicsProgramming methodology
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Productivity software
1.2.3.
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Productivity Applications
Word processor
Spreadsheet
Presentation software
Database
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Instructor:Altaf [email protected]
Course Web Page:http://www.vu.edu.pk/cs101
Textbooks:UC - Understanding Computers (2000 ed.)JS - Learn JavaScript in a Weekend
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Reading Assignments
Please make sure to read the assigned material for each week before the commencement of the corresponding week
Reading that material beforehand will help you greatly in absorbing with ease the matter discussed during the lecture
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Check your e-mail often for announcements related to this and other VU courses
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marksdistribution …
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Assignments (15%)
• Almost one every week, 13 in all
• No credit for late submissions
• The lowest 2 assignment grades will be dropped
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Midterm Exam (35%)
• During the 8th week
• Duration: One hour
• Will cover all material covered during the first seven weeks
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Final Exam (50%)
• During the 16th week
• Will cover the whole of the course with a slight emphasis on the material covered after the midterm exam
• Duration: 2 hours
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Homework Assignments
15%
Midterm Examination
35%
Final Examination
50%
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First AssignmentA. Send an email message to me at [email protected] with the
subject “Assignment 1” giving me some information (in around 50 words) about what you see yourself doing ten years from now
B. Go to the CS101 message board and post a message (consisting of approx. 50 words) about how we could make the contents of this course more suitable for your individual needs. The subject for this message should be “Assignment 1”
Consult the CS101 syllabus for the submission deadline
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A suggestion about unfamiliar terms
• We try not to use any new terms without explaining them first
• However, it is not possible to do that all the time
• If you encounter any unfamiliar terms during the lectures, please note them down and consult the GLOSSARY provided at the end of the “Understanding Computers” text book for their meaning
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Let’s summarize the things that we have covered today?
A few things about:
– the very first digital computer & its inventor
– the capability of modern computers
– the structure and contents of CS101
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In the Next Lecture …
We’ll continue the story of the evolution of digital computers form the Analytical Engine onwards
We’ll discuss many of the key inventions and developments that he lead to the shape of the current field of computing