ifsm midterm 1
Terms
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copy deck
- STORAGE DEVICES (4)
- EXTERNAL HARD DISKS, CD, DVD, USB FLASH DRIVES.
- STRUCTURE OF DOMAIN NAME
- THE TEXT VERSION OF AN IP ADRESS: THE COMPONENETS OF A DOMAIN NAME ARE SEPARATED BY PERIODS. THE TEXT UP TO THE FIRST PERIOD IDENTIFIES THE TYPE OF INTERNET SERVER (WWW=WEB). THE LAST SECTION OF THE DOMAIN NAME IS THE TLD (TOP LEVEL DOMAIN) IT IS THE TYPE OF ORGANIZATION ASSOCIATED WITH THE DOMAIN (COM).
- RAM
- RANDOM ACCESS MEMORY: CAN BE READ FROM AND WRITTEN TO BY THE PROCESSOR.
- ANALOG VS DIGITAL
- ANALOG IS CONTINUOS WAVE FORM SIGNALS, HWEREAS DIGITAL REPRESENTATION OF DATA IS USING TWO DISCRETE STATES: ON (1) AND OFF (0)
- CU DESCRIPTION OF FUNCTIONALITY
- CONTROL UNIT: DIRECTS AND COORDINATES MOST OF THE OPERATIONS OF THE COMPUTER. INTERPRETS EACH INSTRUCTION ISSUED BY A PROGRAM THEN INITIATES THE APPROPRIATE ACTION TO CARRY OUT THE INSTRUCTION.
- OUTPUT DEVICES (4)
- MONITOR, SPEAKERS, PRINTER, TV.
- INPUT DEVICES (4)
- GAME CONTROLLER, DIGITAL CAMERA, SCANNER, MOUSE.
- DIFFERENT SERVICES ON THE INTERNET
- NEWS, INFORMATION, BUSINESS/MARKETING (COMMERCE), EDUCATIONAL, ENTERTAINMENT, ADVOCACY, BLOG, WIKI.
- KILOBYTE (KB)
- 1024 BYTES
- COMMUNICATION APPLICATION SOFTWARE FOR THE INTERNET
- CLIP ART IMAGE GALLERY, E-MAIL, WORD PROCESSING/SPREADSHEET, PHOTO MANAGEMENT, TAX PREPARATION, SPREADSHEET,
- COMPUTERS POSITIVE IMPACT ON SOCIETY
- SPEED, RELIABILITY, CONSISTENCY, STORAGE, COMMUNICATIONS
- BYTE
- EIGHT BIT'S GROUPED TOGETHER, PROVIDING ENOUGH DIFFERENT COMBINATIONS TO REPRESENT 256 DIFFERENT CHARACTERS.
- STRUCTURE OF IP ADDRESS
- INTERNET PROTOCOL ADRESS: A NUMBER THAT UNIQUELY IDENTIFIES EACH COMPUTER OR DEVICE CONNECTED TO THE INTERNET. THERE ARE FOUR GROUPS OF NUMBERS SEPARATED BY PERIODS. THE NUMBER IN EACH GROUP IS BETWEEN 0-255. PORTION 1) IDENTIFIES THE NETWORK, LAST PORTION) IDENTIFIES THE SPECIFIC COMPUTER. THESE ARE HARD TO REMEMBER SO WE HAVE DOMAIN NAMES.
- FIREWIRE DEVICES
- SIMILAR TO USB REPLACING SCSI.
- SCHEMATIC DIAGRAM REPRESENTING THE COMPUTER SYSTEM
- SEE PICTURE.
- SCSI
- SPECIAL HIGH SPEED PARALLEL PORT: ATTACHES PERIPHERALS SUCH AS DRIVES AND PRINTERS.
- GRAPHICS AND MULTIMEDIA SOFTWARE (LIST ALL)
- COMPUTER AIDED DESIGN SOFTWARE, DESKTOP PUBLISHING SOFTWARE, PAINT AND IMAGE EDITING SOFTWARE, PHOTO EDITING SOFTWARE, VIDEO AND AUDIO EDITING SOFTWARE, MULTIMEDIA AUTHORING SOFTWARE, WEB PAGE AUTHORING SOFTWARE.
- ALU DESCRIPTION OF FUNCTIONALITY
- THE ARITHMATIC LOGIC UNIT PERFORMS ARITHMATIC COMPARISON AND OTHER OPERATIONS.
- DIFFERENT WAYS TO CONNECT TO THE INTERNET
- 1) DIAL UP (TELEPHONE LINE), 2) DIGITAL SUBSCRIBER LINE DSL (BROADBAND, STILL PHONE LINES), 3) CABLE MODEM (THROUGH CABLE TV NETWORK), 4) FIBER TO THE PREMISES FTTP (FIBER OPTIC CABLE), 5) FIXED WIRELESS (SATELITE DISH/ANTENNA USING RADIO SIGNALS), 6) 7) WIRELESS MODEM (USES CELLULAR NETWORK), 8) WIRELESS FIDELITY WIFI (NETWORK OF RADIO SIGNALS), 9) SATELLITE MODEM (HIGH SPEED INTERNET THROUGH A SATELLITE).
- GIGABYTE (GB)
- ONE BILLION BYTES.
- BIT (NINARY DIGIT)
- ONE= ON, 0= OFF, THE SMALLEST UNIT OF DATA THE COMPUTER CAN PROCESS.
- HOW DATA MIGHT TRAVEL ON THE INTERNET
- STEP ONE) YOUR PC REQUESTS DATA FROM THE INTERNET, STEP TWO) CABLE MODEM TRANSFERS THE COMPUTERS DIGITAL SIGNALS TO THE CABLE TV LINE IN YOUR HOUSE, STEP 3) YOUR TV LINE REQUEST GOES TO A CENTRAL CABLE SYSTEM SHARED BY 500 HOMES, STEP 4) CABLE SYSTEM SENDS REQUEST OVER HIGH SPEED FIBER OPTIC LINES TO THE CABLE OPERATOR OFTENLY IS THE ISP, STEP 5) ISP ROUTES REQUEST THROUGH THE INTERNET BACKBONE, STEP SIX) THE SERVER RETRIEVES THE REQUESTED INFORMATION AND THAT WEB PAGE COMES BACK THE SAME WAY TO YOUR COMPUTER.
- STRUCTURE OF WEB PAGE ADRESS (URL)
- PROTCOL, DOMAIN NAME, PATH, WEB PAGE NAME.
- HARDWARE VS SOFTWARE
- HARDWARE IS: ELECTRIC, ELECTRONIC AND MECHANICAL COMPONENTS OF A COMPUTER, WHERAS SOFTWARE IS A SERIES OF INSTRUCTIONS THAT TELLS A COMPUTER WHAT TO DO AND HOW TO DO IT.
- MIDI DEVICES
- MUSIC INSTRUMENT DIGITAL INTERFACE: SOUND CARDS AND SYNTHESIZERS.
- ROM
- READ ONLY MEMORY: STORING PERMANENT DATA AND INSTRUCTIONS, CANNOT BE MODIFIED.
- I/O STORAGE DEVICES
- INPUT/OUTPUT STORAGE DEVICES: FLASH MEMORY, EXTERNAL HARD DRIVE.
- MACHINE CYCLE (DESCRIBE THE 4 STEPS)
- FETCH: INSTRUCTIONS FOR MEMORY, DECODE: DECODES INSTRUCTIONS AND SENDS THEM TO THE ALU, EXECUTE) ALU PERFORMS THE CALCULATIONS ON THE DATA, STORE) RESULTS ARE STORED IN THE MEMORY.
- REGISTERS OF THE CPU (DEFINITION/ FUNCTIONALITY)
- A SMALL HIGH SPEED STORAGE LOCATION IN THE PROCESSOR. TEMPORARILY HOLD DATA AND INSTRUCTIONS: STORING THE LOCATION FROM WHERE AN INSTRUCTION WAS FETCHED, STORING THE INSTRUCTION WHILE THE CU DECODES IT, STORING THE DATA WHILE ITS COMPUTED, STORING THE RESULTS.
- MIPS
- MILLIONS OF INSTRUCTIONS PER SECOND
- COMPUTERS NEGATIVE IMPACT ON SOCIETY
- VIOLATION OF PRIVACY, PUBLIC SAFETY, LOSS OF JOBS IMPACTING LABOR FORCE, HEALTH RISKS, IMPACT ON ENVIRONMENT.
- WEB BROWSERS/ SEARCH ENGINES
- A PROGRAM THAT FINDS WEB SITES, WEB PAGES, IMAGES, VIDEOS, NEWS, AND OTHER INFO RELATED TO A SPECIFIC TOPIC. ALLOWS ACCES AND VIEWING.
- 7 categories of computers
- personal computers, mobile computers (and devices), game consoles, servers, mainframes, supercomputers, and embedded computers, a computers size, speed, and price determine the category it best fits into.
- BUSINESS SOFTWARE
- WORD PROCESSING SOFTWARE, DEVELOPING A DOCUMENT SPREADSHEET SOFTWARE, DATABASE SOFTWARE, PRESENTATION GRAPHICS SOFTWARE, NOTETAKING SOFTWARE, PERSONAL INFORMATION MANAGER SOFTWARE, PERSONAL MOBILE DEVICE BUSINESS SOFTWARE, SOFTWARE SUITE, PROJECT MANAGEMENT SOFTWARE, ACCOUNTING SOFTWARE, DOCUMENT MANAGEMENTSOFTWARE, ENTERPRISE COMPUTING SOFTWARE.
- UNITS FOR SPECIFYING CPU PERFORMANCE
- MIPS, CAHCE, MEMORY ACCESS TIME, BUS WIDTH, BUS CLOCK SPEED, TYPE OF PROCESSOR CHIP.
- USB DEVICES
- UNIVERSAL SERIAL BUS DEVICES: CAN CONNECT UP TO 127 DIFFERENT PERIPHERALS.
- ELEMENTS OF AN INFORMATION SYSTEM
- HARDWARE, SOFTWAE, DATA, PEOPLE, PROCEDURES
- MEGABYTE (MB)
- 1 MILLION BYTES.
- CODING SCHEME FOR DIGITALLY ENCODING DATA
- BINARY CODE W/ THREE TYPES: ASCII, EBCDIC, UNICODE.