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28 Cards in this Set
- Front
- Back
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HTTP
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Hypertext Transfer Protocol. Used for transferring web pages from web servers to browsers.
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HTML
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Hypertext Markup Language. Used t create web pages.
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Header one
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<.h1.>
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Image HTML
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<.img.src.=>
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Link
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<a.href.=.>
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Bitmap
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Pixels, rgb, luminance & chrominance
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Vector Graphics
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Scalable, TrueType and PostScript
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JPEG
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Stores/compresses images using information about each pixel in a bitmap image
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MPEG
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Stores/compresses video as a series of images. Also includes an audio track.
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DNS
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Domain Name Service. Translates name to IP Addresses
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LAN
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Local Area Network
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Topology
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Layout of Networks...Bus, Ring, Star
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DHCP
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Dynamic Host Configuration Protocol. Used for dynamically assigning IP Addresses to computers on a network (NOT static)
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IP
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Contains a Host ID and Network ID
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Router
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Has its own IP address; used to connect networks.
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Hard Drives
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contain several platters, organized into tracks and sectors for data storage
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ROM
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Instructions to start a computer
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Optical Drives
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Cd, DVD...uses laser to read pits and flats in disk
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CPU
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Central processing unit. Contains ALU, registers and control unit
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Logic Gates
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Building blocks of electronic circuits
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Flip Flops
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Memory cells that can store one bit of information (a zero or a one)
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Operating system
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Serves as a "middleman" between the user and the hardware (processing, memory, file managers)
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Packet Switching
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When files are transferred across a network they are chopped into many packets, addressed, sent, and then reassembled on the receiving side.
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FTP
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File transfer protocol. Used for uploading files to a web server.
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Subnet Mask
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Part of the IP, used to determine which part of the IP address is Host ID and which is Network ID
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Default Gateway
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Part of IP, the address of the router
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System Startup
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Starts with ROM, goes to CPU, info is transferred to the main memory, then jumps to the O/S
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Machine Language
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Low level programming codes executed directly by the cell.
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