c9d7b0977236f86936e66b8082c0b858.ppt
- Количество слайдов: 39
Intro to Info Tech Introduction to Computers This presentation can be viewed on line at: http: //web. fscj. edu/Janson/cgs 1060/wk 01. Introto. Comps. ppt Copyright 2003 by Janson Industries 1
Objectives n Explain u Steps to success in this class u Basic computer concepts u Computer system ► Hardware ► Software ► Categories u Applications u User types 2 Copyright 2017 by Janson Industries
Class Success n Take good notes and read the book before you come to class u n Suggestion: print out PP and use as basis for notes A memory stick u Put a file called IFFOUND or ICE with some contact info in it ► For n Organize your work. Pay attention to file: u u Copyright 2017 by Janson Industries when you lose it ; -) Naming Location 3
User Ids and Passwords n n If you want to use the lab computers you will need to know your FSCJ user id and password User ids are usually the first 4 letters of your last name, followed by first and middle initial u n John Quincy Adams user id would be: adamjq If it doesn’t work, call the FSCJ Help Desk u 632 -3151 4 Copyright 2017 by Janson Industries
Class Software n If you want Access (DBMS which is needed for a class assg) for free u Send your name and FSCJ email address to me by the end of the week at: ► RJANSON@FSCJ. EDU n An email from kivuto. com will be sent to you with further info 5 Copyright 2017 by Janson Industries
Class Software n n As a student you can get a free copy of Office 365 This is the FSCJ blog link with the tutorial: u http: //at. fscj. edu/blog/downloa ding-microsoft-office-forfree? rq=microsoft 6 Copyright 2017 by Janson Industries
Tests (for classroom classes) n n n If you are late for a test, you will only be able to take it if no other student has left the room If you cannot make a test, you must arrange a make up before hand If an emergency arises you, must contact me and arrange for a makeup u You cannot show up to the next class and expect to take a make up 7 Copyright 2017 by Janson Industries
Concepts n Computer u n Data: raw facts u n Electronic device that processes data into information according to specific instructions Can be text, numbers, images Information: useful/meaningful knowledge 8 Copyright 2017 by Janson Industries
Data vs. Information n Data processing u Selection u Sorting u Summarizing u Information Retrieval u Updating 9 Copyright 2017 by Janson Industries
Data vs. Information n QBs plays: u u u n n Raw facts: how well did the QB play? What if data processed into info: u Copyright 2017 by Janson Industries 1 st incomplete 2 nd 4 yard left side pass 3 rd run 6 yards : : : 95 th interception u 72% completion for 288 yards 3 interceptions 10
Information n Game QBs data for day vs. night: 1 pm/4 pm/Night Passing Yds Completion % 1 1 228 78 2 N 196 82 3 4 233 67 : : 16 1 245 72 n What if instead processed into: # Games 1 pm/4 pm/Night Avg Passing Yds Completion % 7 1 234 78 6 4 205 72 3 N 166 61 11 Copyright 2017 by Janson Industries
Concepts n Information processing cycle Input Processing Output Storage n Computer can store input and output 12 Copyright 2017 by Janson Industries
Concepts n Input comes in two forms: u u n Data Instructions Software (s/w): group of instructions u n Like a recipe Hardware (h/w): the computer machinery 13 Copyright 2017 by Janson Industries
Hardware Device Categories n n Input device: converts human understandable input into machine understandable input Processing device: converts input into output Output device: converts machine understandable output into human understandable output Storage device: reads and writes input or output to a storage media 14 Copyright 2017 by Janson Industries
Concepts n Input Computer Hardware Input Device Keyboard Microphone Scanner Mouse Processing Output CPU Storage Device Hard drive Thumb drive CD/DVD drive Memory card slot Output Device Printer Monitor Speakers 15 Copyright 2017 by Janson Industries
Concepts n External vs. Internal Storage u n Many differences between the two u n Internal also called Main Memory or RAM Speed, capacity, persistence For now, key difference is, that MM managed by CPU u Copyright 2017 by Janson Industries External memory has a separate device that manages the media 16
Concepts n Run Word How Internal and External memory work with application s/w 1 Input Run Device Word CPU 3 Word RAM 2 Copy of Word Storage Device 17 Copyright 2017 by Janson Industries
Concepts n Communication Devices u u n Input and output sent over a "line" (transmission media) u n Enable computers to send and receive input and output to other computers Example: Modem Phone line, cable, wireless A group of linked computers is called a network 18 Copyright 2017 by Janson Industries
Network n Network hardware consists of u u u Transmission media Communication device(s) User nodes n Television network? n Phone network? n Computer network? 19 Copyright 2017 by Janson Industries
Internet n Transmissions over the common carrier networks u n n Phone, cable, satellite and computer networks . . . that follow the rules of TCP/IP WWW is one part of the Internet that sends information as web pages 20 Copyright 2017 by Janson Industries
Concepts n n Software (instructions) consist of many programs Types of Software u System ► Enables the computer to work ► Provides basic functions for applications ► Enables the computer to work more efficiently u Application ► Perform user functions 21 Copyright 2017 by Janson Industries
Computer Software n System software u Operating systems F u Utility programs F n WINZIP, Bluetooth, anti-virus, FLAC to MP 3 converter Application software u u u Copyright 2017 by Janson Industries Windows, Linux, OS 10, IBM i, MVS Productivity Entertainment Education 22
Applications n Need to be installed u u n Download Purchase on a disk Insert disk and an "install" program begins to run u u Puts list item in Program menu u Copyright 2017 by Janson Industries Copies application to the hard drive Creates desktop icon 23
Applications n n Created by programmers Written in programming languages u Java u Visual Basic u C++ 24 Copyright 2017 by Janson Industries
Common Application Types n Financial u n Government u n Online banking, tax prep, online investing Access to govt records, criminal DBs, facial recognition Health Care u Copyright 2017 by Janson Industries Online patient records, patient monitoring, online diagnosis, insurance claims, virtual operations 25
Common Application Types n Science u n Publishing u n Space exploration robots, camera pill, nano-bots Books, mags, newspapers created electronically, online books Travel u Online reservations, GPS, directions 26 Copyright 2017 by Janson Industries
Common Application Types n Manufacturing u Robots used in hazardous env, CAD, CAM u "Fabbers“/ 3 D printers F F AKA desktop fabricators Essentially a robot Feed product specs, out pops product "Instead of printing a picture of a screw, you print the screw" 27 Copyright 2017 by Janson Industries
Makerbot’s Cupcake CNC n $750 - $1300 u You build from a kit u Designs available at F www. thingiverse. com http: //www. youtube. com/watch? v=Nue. Rhg. ISwe. E&feature=related 28 Copyright 2017 by Janson Industries
29 Copyright 2017 by Janson Industries
Digital Fabricators/3 D Printers n How about skipping the middle men? u Who needs a design https: //www. youtube. com/watch? v=Pgaur. YNPWu 8 30 Copyright 2017 by Janson Industries
Digital Fabricators Besides building a house in a day: Drastically reduce costs, injuries, waste and environmental impact Automatic embedding of communication network wiring, electrical, reinforcement, plumbing, and sensor modules Automated painting (using inkjet technology for wallpaper designs) http: //www. youtube. com/watch? v=Jdb. JP 8 Gxqog http: //www. contourcrafting. org/ Copyright 2017 by Janson Industries 31
Computer System Categories n Personal Computer n Midrange (minicomputer) n Mainframe n Supercomputer 32 Copyright 2017 by Janson Industries
Types of Computers Size/ Capacity Speed Users Super PC Midrange Mainframe Computer Copyright 2017 by Janson Industries 33
Types of PCs Size/ Capacity Mobile Devices Speed Handheld/PDA Laptop/ Desktop (Palm Pilot, Smart Phone) Tablet Copyright 2017 by Janson Industries 34
Specialty Computer Types n Game console u n Some can do (or be converted to do) general computer processing Embedded – very specific functions u Most major appliances have these ► Cars, n Servers - store and disburse a networks resources (s/w, info, music) u u Copyright 2017 by Janson Industries washing machines, etc. Any general computer can be a server Though some computers built specifically to be servers 35
Computer User Categories n Home user has PC(s) and uses if for u u n Information – Google, directions Entertainment – media player Personal finance – tax prep Communication – Email, Skype Small Office/Home Office: PCs networked possibly with mobile devices u u u Microsoft Office Industry specific s/w: inventory, Quark E-commerce 36 Copyright 2017 by Janson Industries
Computer User Categories n Enterprise User: Mainframe networked to all types of computers u Enterprise computing ► Financial, marketing, product design, inventory, sales, etc. u u Database Management System Microsoft Office E-commerce Email 37 Copyright 2017 by Janson Industries
Computer User Categories n Mobile User: Fed. Ex deliveryman, police, ins adjuster, rental car clerk u u u n Internet access Networked to company apps Specialty s/w Power User: midrange computer, graphic artist, engineer, architect u u u Copyright 2017 by Janson Industries Industry specific s/w Internet access High end peripherals 38
Points to Remember n n Copyright 2017 by Janson Industries Operating Systems enable the computer hardware to work Windows provides a GUI to perform system functions Many apps allow users to perform system functions Everything on the PC is stored in files and files are grouped into directories 39


