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Introduction to the Course. An Overview. Fundamental Remedial (recognizing that CS is missing in the current K-12 and near future) Accessible (no prereq) Relevant Concept based. Important Dates. Go over important dates. No background required!!!. Grading. Grading Show the syllabus.
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An Overview • Fundamental • Remedial (recognizing that CS is missing in the current K-12 and near future) • Accessible (no prereq) • Relevant • Concept based
Important Dates • Go over important dates.
Grading • Grading • Show the syllabus
Homework • Go over first homework assignment (posted on Angel).
Today’s Lecture • Introduction and Class Overview
What is a computer? • Hardware • Software • Data representation • Internet • HTML
Especially true for computer science • Especially true since 20 years ago, and more and more important for the future!
When you mention the word "technology," most people think about computers. • Virtually every facet of our lives has some computerized component. • Cell phones, Ipods, etc. The appliances in our homes have microprocessors built into them, as do our televisions. Even our cars have computers. • But the computer that everyone thinks of first is typically the personal computer, or PC. Essential Computer Concepts
What is a computer? • A computer is a kind of device that is equipped with software to process information, to mimic human being intelligence, to make people live longer and better. Essential Computer Concepts
hardware components point of view Let us compare a computer to a human being. Essential Computer Concepts
Hardware Conceptually, a computer consists of the following hardware components. Instructions need to be issued to manipulate these hardware components. The instructions are written in special binary languages. Motherboard Data bus CPU Main memory Secondary storage Input devices Output devices Communication devices
software • A computer with no software is a people no intelligence. • Need software to run hardware! Essential Computer Concepts
software • Operating system software • The software directly controls the hardware of a computer, common to all upper level application software. • Application software • The software on the top of the operating system software. • Each application software is designed with a specific application in mind. Essential Computer Concepts
Examples of application software Essential Computer Concepts
Binary language Essential Computer Concepts
html • Hyper text markup language • Markups are also called tags • A tag is enclosed in a pair of <> • <h1> </h1> Essential Computer Concepts
Check The Readability Of Your Word 2007 Document • Word includes a function that allows you to obtain information readability statistics about your document. When the readability statistics feature is enabled, Word will analyze your document using the Flesch-Kincaid model and identify the grade level (0-12) and the reading ease (0-100%) of your document. • To turn on the readability function: • Open Word. • Click the Microsoft Office Button and click Word Options. • Click Proofing. • Place a check beside the Show readability statistics option. • Click OK. • Now you can click the Spelling and Grammar button on the Standard toolbar, the results will include information about the reading level of your document. Essential Computer Concepts
Something cool- Shortcut keys • Control+mouse scroll can zoom in and zoom out your word document Essential Computer Concepts
GUI • Graphical User Interface • Windows, buttons, menus, • Activated by mouse or shortcut keys • As opposed to the black DOS window, which you usually do not use!!!
HTTP • Hypertext Transfer Protocol • Inventor of http:// regreted
HTML • HyperText Markup Language
Computing programs are designed to offer students opportunities to prepare for careers in a exciting yet rapidly changing profession.
Career paths • Industry, • Business • Government • Graduate study