CSC 1253 - Introduction to Computers

CSC 1253 - Introduction to Computers - CSc 1253 section 3...

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1 CSc 1253 section 3 Computer Science I with INSTRUCTOR: Dr. Douglas www.austinlinks.com/ CPlusPlus/
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2 First Day- CSC 1253 Welcome Syllabus Introduction to Computers Background before the Programming! Background before the Programming! #include <iostream> main() { cout << "Hello World!"; return 0; }
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3 Introduction to Computers the Internet and the WWW Email Network/networking/networked : Connected computers Operating Systems – Microsoft, Unix Software - Word, PowerPoint, Excel, etc. Fun stuff - Games, Photos, etc.
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4 Introduction to Computers Computer System = Hardware + Software news.thomasnet.com/ fullstory/454230/264 Physical Components 1. Input Devices 2. Output Devices 3. Primary Memory 4. Auxiliary Storage 5. CPU Software: Collection of programs usually in executable form. Program: A finite sequence of instructions that the computer follows to perform a specific task or solve a problem.
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5 Introduction to Computers Hardware (1) Input Devices Receiving” section of the computer Accepts data (?) from the “outside world” Stores data to memory Ex. keyboard, mouse, camera, microphone www.primidi.com/ 2004/11/29.html
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6 Introduction to Computers Hardware (2) Output Devices “Shipping” section of the computer Takes info from memory and places that info on various output devices. Allows people to view/hear the results of processing. Printer (hard copy) Monitor (soft copy) Speaker
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7 Introduction to Computers Hardware (3) Memory or RAM (Primary Memory) of data (could be software instructions) R andomly A ccessible M emory www.computermemoryupgrade.net/ computer-memory. .. Memory components Plug into slots Connected to the Systemboard (Motherboard)
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8 Introduction to Computers Hardware (3) Memory – continued www.fotosearch.com/ ART158/tot008/ Temporary storage of data Volatile   – will lose it if not saved ! Purpose: 1. Holds info received from an input device. (Data is waiting to be processed.) 2. Holds software for execution. 3. Holds intermediate results from processing. 4. Holds data for output. The von Newmann Architecture”
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9 Introduction to Computers Hardware (3) Memory – continued Memory is divided into storage locations called memory cells . Associated with each memory location are: 1. Address - position of a cell in memory 2. Contents - info stored www.jegsworks.com/Lessons/ lesson4/lesson4-5.htm
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Introduction to Computers Hardware (3) Memory – continued www.kbcc.cuny.edu/ propre/math/Math_13/ Everything is manipulated as 0s and 1s stored using two-state devices: switches, transistors, vacuum tubes. On/Off states easily compare to the binary numbering system, Base 2 . On = 1,
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This note was uploaded on 10/02/2011 for the course CSC 1253 taught by Professor Staff during the Fall '08 term at LSU.

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CSC 1253 - Introduction to Computers - CSc 1253 section 3...

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