Fundamentals of Computers CIT 712 Powered by De. Sia. More 1
Course Duration o 3 lecture hours per week o 1 tutorial hour per week Powered by De. Sia. More 2
Exam and Test o Exam -60% o Tests -30%(2 tests) o Assignment-10%(1 or 2) Powered by De. Sia. More 3
Course Contents Introduction to computers Classification of Computers Computer Hardware Organization Number System Logic Elements, Boolean Algebra and Gate networks o Logic design o Computer software o o o Powered by De. Sia. More 4
References 1. Carl S. French (1996), Computer Science, 5 th Edition, Education Low-Princed Sponsored Texts, London. 2. Peter Norton (2001), Introduction to Computer, 4 th Edition, Tata Mc. Graw-Hill, New Delhi. 3. V. Rajaraman (2000), Fundamentals of Computers, Prentice-Hall of India Private Limited, New Delhi. 4. Thomas, L. F: Digital Fundamentals 4 th Ed. ; Macmillan Publishing Company, 1990 5. Ronald, J. T: Digital Systems: Principles and Powered by De. Sia. More Application 6 th Ed. ; Prentice-Hall, 1995 5
What is the computer • Data processing machine. Basic Computer Elements: • Hardware • Software Powered by De. Sia. More 6
Definition • Hardware: • Software: Powered by De. Sia. More 7
How the computer is being used: STORAGE INPUT PROCESS OUTPUT CONTROL Powered by De. Sia. More 8
Introduction What is “Information Technology” o Information Technology is the hardware and software that are packaged as a device for capturing, storing, processing, and outputting digital content. Powered by De. Sia. More 9
What is an Information System? o A set of interrelated components that work together to collect, retrieve, process, store and disseminate information to support decision making, coordination, and control in an organization. Powered by De. Sia. More 10
Components of Information System • People • Procedures • Software • Hardware • Data/Information • Communication Powered by De. Sia. More 11
People: User of technology, software and hardware designer People use the computer for Powered by De. Sia. More o o Entertainment Medicine Education Business 12
Procedure o Procedures: Rules or guidelines to follow when using software, hardware and data Powered by De. Sia. More 13
Software o Software (Programs): Provides step-by-step instructions to control the computer • Two major kinds –System software –Application software Powered by De. Sia. More 14
System Software o Interact with the hardware n “Background” software n Operating system software Powered by De. Sia. More 15
Systems Software Windows 98 Desktop Powered by De. Sia. More 16
Application Software o “End-user” software o Two major categories n General n Specialized Powered by De. Sia. More 17
Application Software Netscape Communicator browser Powered by De. Sia. More 18
Advanced Applications Powered by De. Sia. More 19
Software Powered by De. Sia. More 20
Software End User An end user is anyone who uses a microcomputer or has access to larger computers - that’s nearly everyone in today’s workforce. They enter commands and typically Powered by De. Sia. More interact with application programs. 21
Software Application Software Programs to create, organize, analyze, present and communicate information. For example, Microsoft Excel is a spreadsheet application program that is used to analyze data. Powered by De. Sia. More 22
Software System Software “Background” programs that coordinate the application software requests with computer hardware. Windows 95/98 and Windows Millenium are widely-used system programs for consumers, Windows 2000 for business. Powered by De. Sia. More 23
Software Computer Hardware Devices that accept input, process data, store information, produce output and send communications. For example, a disk drive, keyboard, printer and modem are different types of computer hardware. Powered by De. Sia. More 24
Hardware Consists of physical equipment, that we can see and touch Powered by De. Sia. More 25
Hardware o The computer hardware components are related to the functions of the computer system STORAGE INPUT PROCESS OUTPUT CONTROL Powered by De. Sia. More 26
Communication Devices o Sends data and programs n modem n cable modem n digital subscriber services Powered by De. Sia. More 27
Data/Information The raw or unprocessed facts, includes text, number, image and sound are called Powered by De. Sia. More 28
Data: Facts that can be contained in files such as: Document files Worksheet files Database files Presentation Files Powered by De. Sia. More 29
Data Powered by De. Sia. More 30
Communication Connectivity and the Internet o. Connectivity ability to communicate and sharing of data/information o. The Internet the largest network in the world Powered by De. Sia. More 31
Connectivity and the Internet o The World Wide Web is the multimedia component of the Internet Powered by De. Sia. More 32
Assignment 1 o Use the Library and/Internet to read about Computer Generations/History of Computers and Write a five page summary citing significant differences between and among the generations o Make a group of 5 students each! o Your participation will be tested. o The assignment should be word processed o The Assignment must be submitted on or before 07/11/2008 o Late submission will not be accepted Powered by De. Sia. More 33
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