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Introduction to Computing

by: Adonis Nader

Introduction to Computing IT 103

Adonis Nader
GPA 3.61

James Moody

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James Moody
Study Guide
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This 11 page Study Guide was uploaded by Adonis Nader on Monday September 28, 2015. The Study Guide belongs to IT 103 at George Mason University taught by James Moody in Fall. Since its upload, it has received 22 views. For similar materials see /class/215222/it-103-george-mason-university in Information technology at George Mason University.

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Date Created: 09/28/15
Final Exam Study Guide Disclaimer This is a guide only and is not guaranteed to be complete To prepare for IT 103 nal exam go over the reading assignments lab case studies and lecture notes Lecture 6 Systems Analysis N System development life cycle a Waterfall model i Problem identi cation ii Feasibility iii System analysis iv System design V Implementation vi Test 1 Unit testing 2 System testing vii Conversion 1 Direct 2 Phased 3 Parallel viii Maintenance Prototyping a Iteration System analyst a Duties b Skills and qualities Chapter 7 Computer Programming 1 2 Computer Pro gramming a Machine language b High level languages c Source code d Interpreter vs compiler System Development Life Cycle 39 Problem de nition and analysis ii Program design iii Coding iv Testing v Implementation vi Maintenance Vii Pseudocode Viii Program design paradigms 1 structure programming 2 obj ectoriented programming ix Software testing 1 syntax 2 logical 3 Data Structure a Arrays b Queue c Stack 4 Logic a sequence b Iteration i Loop 5 Programming a issues i Syntax errors ii Logic errors b languages i syntax ii Machine language iii Assembly language iV Fortran V Cobol Vi Pascal Vii C Viii C ix C x Java Chapter 8 Data and information database and SQL 1 Database a Data vs Information b Relational database i Most common type of a database c Entityrelationship ER diagram 2 Database Management Systems DBMS a Tables b Schema c Structure Query Language SQL d Primary and foreign keys 3 Relational Database Theory a Relational databases i RDMBS b Designing a database i Schema ii cardinality iii primary key iv foreign key c Data redundancy i Wasted space ii Slower processing iii Data inconsistency d Normalization 4 SQL The language of data i ii Field vs Record Selection vs Projection Chapter 9 HTML XHTML AND XML 1 HTML Hypertext markup language a Formatting text ii Line feed Centering on a Page Subscripts and superscripts iv Headers V Font style color and size vi Page titles vii Horizontal rule viii Display lists of things b ltimg gt element i Attribute alt src width and height c Hyperlinks 2 XHTML Extensible Hypertext Markup Language a Rules of XHTML coding 1 ii iii Document must be well formed All tag names must be in lowercase All attribute values must be enclosed by quotes iv Tags must be properly nested v Each document must have a root element lthtmlgt lthtmlgt b Transitional DTD vs Frameset DTD vs Strict DTD c Creating ordered and unordered lists d Creating tables i Attributes width and border Chapter 10 E Commerce l Commerce a Disintermediation and the supply chain N E 908994 i Cutting out the middleman Types of Ecommerce a Business to business b Business to consumer c Customer to customer d Business to government and citizen to government e Ecommerce expectations Web Traffic a Measuring traffic b Increasing web traf c c Excessive traffic i Slow down the access Success factors in ecommerce Challenges and impediments to success Product suitability Transactions Fraud and other concerns a Stolen credit cards i Reporting credit card fraud b Phishing c Pharming d Spam Chapter 11 Security Ethics and Privacy 1 2 3 Corporate concerns a Denial of service b Unsecured email c Online fraud risk business considerations Individual risks a Cookies b Virus c Worm d Trojan horse e Spyware f Keystroke logging g Phishing i How does the phishing filter work h Web bug i Spam j Identity theft k Password hacking Protection a Firewall b Antivirus software c Antispyware programs d Digital signatures e Backup and recovery f Strong passwords g Encryption i Public key ii Private key h Biometric devices 4 Ethics and privacy a Code of ethics i Why have a code of ethics ii IT code of conduct b Intellectual property i Copy protection c United States laws i 2003 CAN SPAM Act ii 1986 Electronic Communications Privacy Act ECPA iii Children s Online Privacy Protection iv Digital Millennium Copyright Chapter 12 Decision supp01t systems 1 Decision making a Decision making in groups 2 Characteristics and capabilities of DSS 3 Components of a DSS a Data warehouses b Online analytical processing 4 Management information systems 5 Role of arti cial intelligence a Conventional AI i Expert systems ii Neural networks 6 Solving problems using Excel 1 Whatif analysis ii Goal seeking iii Forecasting 7 Data mining a What can data mining do b How data mining works Chapter 13 The Impact of Computing 0n Society 1 Computer affecting many professions a business and finance b science and engineering c social sciences d e f g h i sports and physical education government and law publishing and communication travel art and ne arts education 2 The computer profession System analyst b Software engineer a C Programmer d System administrator Computer operator C f Webmaster g Database designer and administrator DBA h Network administrator NA i j C C IS Director Chief information officer C10 3 Health issues a Repetitive Stress Injury RSI i Carpal Tunnel Syndrome CTS b Computer Vision Syndrome CVS Information overload d Psychological stress Isolation 4 Work and workspace design a b c d e f Deskilling Job losses Communication and organizational structure Geography Telecommuting Ergonomics i Assistive technology 1 Braille keyboard 2 Braille display 3 Magnifier 4 Screen reader software 5 Speech recognition 5 Social concerns a Child protection i Legislation b Computer addiction Green computing 6 Business concerns C a Fraud b Computer crime i Types of computer crimes Midterm Exam Study Guide Lab concepts Disclaimer This is a guide only and is not guaranteed to be complete To prepare for IT 103 midterm exam go over the reading assignments lab case studies and lecture notes Infoguides httplinfoguidesgmueduit103 o CRAAP test for evaluating information Google case study 0 Know the difference between Google Sites and blogs 0 Know how to give access to others on your Google Sites and blogs 0 Know how to publish your blogs and Wikis MS Word 0 Opening and saving documents 0 Entering and Editing text in a document 0 Formatting paragraphs and text by applying styles 0 Changing fonts and font size Changing alignment adjusting line spacing etc 0 Use of basic commands bold italicize undo redo underline move copy and paste etc Using headers and footers adding footnotes indenting paragraphs Inserting and resizing clipart in a word document inserting symbols etc Inserting and editing comments Inserting and formatting tables in a word document etc Insert and Modify page numbers Inserting text inserting page breaks changing page setup Indent Paragraphs Insert a Watermark Creating and formatting charts Aligning Text Insert Date and Time Creating bulleted list Set marginsPage Orientation Set Printer options Use existing templates Midterm Exam Study Guide Disclaimer This is a guide only and is not guaranteed to be complete To prepare for IT 103 midterm exam go over the reading assignments lab case studies and lecture notes Lecture 1 Internet and Library Research 1 Internet research strategies a Define the topic and note initial keywords b Locate background information and identify additional keywords c Choose the proper research tool d Translate your question into an effective search query e Perform your search f Evaluate your search results g Refine your search if needed 2 Analyze search results a Locate your search terms within the search result b Decipher the URL c Note the results ranking the list of possible Web pages d Navigate between search results pages Lecture 2 Internet and World Wide Web 1 Protocol a TCPIP 1 Packets 2 Nodes b E mailprotocols 1 SMTP 2 POP 3 IMAP c HTTP d HTTPS e DNS 1 URL 2 IP address and domain name 3 Dynamic and static IP addresses f File Transfer Protocol FTP 2 E mail a Typical client server arrangement 3 Browser client program a Internet Explorer 1 Cookies and privacy 2 Phishing filter b Firefox c Safari d Netscape 4 Intranet vs extranet 5 World Wide Web a Clients and servers b Web sites c Hyperlinks d Search engines 6 Protect your computer a Firewall b Anti virus software c Anti Virus Software d Anti Spyware Software e Do not open unknown e mail attachment f Backup all data g Maintain your computer s performance h Keep all applications including your operating systems patched Lecture 3 Hardware 1 Data representation a Bit b ASCII c Unicode 2 Terms a Bit b Byte c KB MB GB TB Hertz bps 3 Motherboard 4 Processor CPU a Control Unit CU b Arithmetic Logic Unit ALU c Terms 1 Machine language 2 Cache 3 Instruction set 4 Register 5 Data bus d Processor speed a Internal and external bus b Control bus vs address bus vs data bus c USB d Plug and play 6 BIOS a Booting up process 7 Expansion slots 8 Port a FireWire 9 Input a Keyboard b Mouse 1 Mechanical vs optical c Touch screen 10 Output a Monitor 1 CRT vs LCD 2 Screen size 3 Resolution 4 Pixel spacing 5 Refresh rate 6 Color depth b Printer 1 Dots per inch DPI 2 Pages per minute PPM 3 Laser printer vs ink jet printer vs dot matrix printer 11 Primary storage a RAM volatile 1 Memory latency b Cache memory c ROM 1 Capacity d CMOS e Virtual memory 12 Secondary storage a Hard disk 1 Data transfer rate 2 Seek time 3 Latency time Lecture 4 Software 1 Program vs programming languages a Source code b Compiler vs interpreter c Machine language vs high level languages 2 System program Operating system a GUI vs CLI b Boot up process c Tasks Process management 1 Multitasking ii Memory management iii File system iv Mapping v File associations vi Networking vii Security d Types i Windows ii Linux iii Unix iv Macintosh v DOS 3 Application program a Word processor b Spreadsheet c Presentation and multimedia software d Personal organization e Database f Enterprise resource planning ERP g Groupware h Browser 4 Software ownership a Copyright b License c Site license d End User License Agreement EULA e Beta license f Shareware g Freeware h Open source i Software piracy


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