Concepts Exam 2 Keywords to Define 196 pts x 05 each 10 points in gradebook Nicolas Wilson Chapter 5 32 terms system chassis system unit motherboard system board mainboard expansion slots slots microprocessor CPU Processor Control Unit ALU Arithmetic Logic Unit parallel processing graphics coprocessor graphics processing unit GPU RAM Random access memory cache memory capacity measurements MB GB TB know these sizes see Figure 5 12 ROM Read only Memory flash memory expansion card ports Graphics cards Graphics Expansion Cards Sound Cards Sound Expansion Cards Network Interface Cards NIC Network Expansion Cards 1 plug and play bus lines bus Parallel ports Not used much anymore previously used for printers Serial ports Not used much anymore previously used for monitors USB ports Universal Serial Bus ports FireWire Ports MIDI ports Musical Instrument Digital Interface port binary system bits bytes character encoding standards ASCII Character Encoding Standard American Standard Code for Internation Interchange EBCDIC Character Encoding Standard Extended Binary Coded Decimal Interchange Code Unicode Character Encoding Standard Function keys See Figure 6 1 QWERTY Traditional keyboards Toggle keys Combination keys Laptop Notebook keyboards 2 Chapter 6 44 terms Virtual keyboards Thumb keyboards Optical mouse Mechanical Mouse Traditional mouse see glossary in addition to page 142 Cordless or Wireless Mouse Multitouch screen stylus Optical scanner scanner scanning device type Card reader scanning device type Bar code readers scanning device type RFID Radio frequency identification readers scanning device type Charactiver Mark Recognition device scanning device type MICR Magnetic ink Character Recognition OCR Optical character Recognition OMR Optical Mark Recognition Resolution Monitor clarity feature Dot Pitch Pixel Pitch Monitor clarity feature Contrast ratio Monitor clarity feature Size or Active Display Area Monitor clarity feature Aspect Ratio Monitor clarity feature Flat panel Monitor Montior Type 3 E Book reader E Reader Monitor Type Digital or Interactive Whiteboards Monitor Type HDTV High definition Television Monitor Type CRT Cathode ray Tubes Monitor Type Printer output another name for it Resolution DPI dots per inch Printer feature Color Printer feature Speed PPM Pages per minute Printer feature Memory Printer feature Duplex printing Printer feature Injet Printer Printer type Laser Printer Printer type Cloud Printers Printer type Thermal Printer Printer type Plotters Printer type Voice over IP VoIP Ergonomics Secondary storage saving writing data see page 172 reading data see page 173 Chapter 7 27 terms 4 hard disk Secondary storage type storage media storage device head crash Hard Disk Internal Hard disk external disk caching RAID Redundant arrays of inexpensive disks Optical disc technology Secodary storage type make sure you include what technology is used to read these pits and lands CD Compact Disc Optical disc type ROM Read only Memory Optical disc format R Recordable Write Once Optical disc format RW Rewritable Optical disc format DVD Digital versatile disc Optical disc type Blu ray disc BD High def High definition Optical disc type Solid state storage Secondary storage type Flash Memory cards Type of solid state storage USB drives flash drives Type of solid state storage Cloud storage online storage Type of secondary storage Cloud computing Google Docs Office 365 IUanyware 5 Chapter 8 38 terms Mass storage devices enterprise storage system File servers Twisted pair cable Ethernet cables Physical communication channel Coaxial cable Physical communication channel Fiber optic cable Physical communication channel Wireless communication channel Wi Fi wireless fidelity type of wireless communication channel Microwave type of wireless communication channel Satellite type of wireless communication channel GPS Global Positioning System type of satellite communication infared T1 T3 lines Connection Service options DSL Digital Subscriber Line 3G 4G 3rd Generation 4th Generation Connection Service options bandwidth protocol TCP IP Transmission control protocol Internet protocol ip address Internet protocol address 6 domain name server DNS packetization client node host node NIC Network Interface Cards LAN Local Area Network Network type network gateway WLAN Wireless Local Area Network Network type wireless access point base station hotspot PAN Personal Area Network Network type MAN Metropolitan Area Network Network type WAN Wide Area Network Network type network strategies Client server networks Type of network strategy Peer to Peer P2P network Type of network strategy intranet extranet firewall proxy server VPN Virtual private networks 7 Chapter 9 25 terms FTP see page 382 glossary electronic profile Freedom of Information Act cookies FERPA Family Educational Rights and Privacy Act virus Computer Fraud and Abuse Act not as effective since many originate outside US hacker cracker malware worm trojan horse DoS Denial of Service attack rogue Wi Fi hotspot identity theft internet scam biometric scanning dictionary attack encryption 8 HTTPS hyptertext transfer protocol secure HTTP hypertext transfer protocol disaster recovery plan ethics software piracy DRM digital rights management plagiarism data views Know 2 views ways of viewing Chapter 11 30 terms Physical view Logical view field record database primary key key batch processing data redundancy real time processing online processing 9 Data integrity data definition subsystem query by example SQL Structured Query Language DBMS Database Management Systems structures Know 5 models Hierarchical database Network database Relational database Multidimensional databases Object oriented database Types of databases Know 4 types Individual database Company database Distributed database Commerical database Csi example of commercial database 10 Dialog Information Services example of commercial database Dow Jones Interactive Publishing example of commercial database LexisNexis example of commercial database data warehouse 11 Concepts Exam 2 Keywords to Define 196 pts x 05 each 10 points in gradebook Chapter 5 32 terms part of a personal computer that contains the CPU houses most of the electronic components that make up the computer system the communications medium for entire system Openings on a system board for the insertion of devices to expand the system controls and manipulates data to produce information Brains of the system Section of the