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61 Cards in this Set
- Front
- Back
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Antivirus & Firewall
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software that is specifically designed to detect viruses and to protect a computer and files from harm
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Bluetooth range
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approximately 30 ft for bluetooth 1 and 60 ft for bluetooth 2
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file path
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the location of a file starting with the drive in which the file is located, and including all folders, subfolders, file name, and extension
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open source
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program code made publicly available for free; it can be copied, distributed, or changed without the stringent copyright protections of proprietary software products
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trojan horse
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software attack where it appears to be one thing like a game but its really a virus
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sampling rate
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44,100 times a second keeps measuring till it gets it right
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ethernet vs modem
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ethernet: a port that is slightly larger than a standard phone jack and transfers data at speeds of up to 10,000 mbps; used to connect a computer to a DSL or cable modem or a network
modem: a port that uses a traditional telephone signal to connect a computer to the internet |
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examples of removable media
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optical mouse
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developed GUI
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graphical user interface- pointing device to computer
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function of a disk defragmenter
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Utility included in Microsoft Windows designed to increase access speed by rearranging files stored on a disk to occupy contiguous storage locations, a technique commonly known as defragmenting.
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function of a network adapter
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helps connect to a network
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herman hollerith
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an American statistician who developed a mechanical tabulator based on punched cards to rapidly tabulate statistics from millions of pieces of data. He was the founder of the company that became IBM.
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MAC
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Media Access Control: every wireless device has a MAC address it’s a unique address no other device has it
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measure of processor speed
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megahertz
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mobile operating system
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is the operating system that controls a mobile device or information appliance—similar in principle to an operating system such as Windows, Mac OS, or Linux that controls a desktop computer or laptop
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mobile computer devices
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handheld device that acts as a computer (ipad)
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visicalc
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first spreadsheet program available for personal computers
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archives
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data transferred to a tape or disk for long-term storage rather than frequent use
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AVI
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audio video interleave: designed by microsoft
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Backup
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a copy or duplicate version, esp. of a file, program, or entire computer system, retained for use in the event that the original is in some way rendered unusable.
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blu-ray
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an optical disk used to store digital information such as high-definition video, and able to store more information than a standard DVD
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DNS server
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Domain Name System: For example, the domain name www.example.com translates to the addresses 192.0.32.10
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DSL
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digital subscriber line: a technology that allows high-speed transmission of text, audio, and video, usually over standard telephone lines; a form of broadband transmission.
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Encryption
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to put (computer data) into a coded form
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ethernet adapter
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computer hardware component designed to allow computers to communicate over a computer network
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Firewire
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software and hardware used to keep bad things out
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footprint
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the amount of resources, such as disk space and memory, that an application requires
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FSB
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front side bus: The bus via which a processor communicates with its RAM and chipset
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FTP
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File Transfer Protocol: a software protocol for exchanging information between computers over a network.
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GPS
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global positioning system: A system of satellites combined with receivers on the Earth that determines the latitude and longitude of any particular receiver through triangulation
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hub
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a device for connecting computers in a network
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IP address
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internet protocol address: the numeric code that identifies all computers that are connected to the internet
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ISP
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Internet service provider: a company that offers access to the Internet and to e-mail, usually for a monthly fee.
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JPEG
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joint photographic expert something: a standard file format for compressing pictures by disposing of redundant pixels
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LAN
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local area network: a system for linking a number of microcomputers, terminals, work stations, etc. with each other or with a mainframe computer in order to share data, printers, information, programs, disks, etc.; usually confined to one office or building
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MAN
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metropolitan area network: A data network intended to serve an area the size of a large city.
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PAN
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personal area network
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LCD
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liquid-crystal display: a method of displaying readings continuously, as on digital watches, portable computers, and calculators, using a liquid-crystal film, sealed between glass plates, that changes its optical properties when a voltage is applied.
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Megahertz/ gigahertz
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a unit of frequency, equal to one million/billion cycles per second.
2.4 Gigahertz: it executed 2.4 billion calculations per second |
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MPEG
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Movie Picture Experts Group MPEG4 is video MP3 is music
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network
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a system of interconnected computer systems, terminals, and other equipment allowing information to be exchanged
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DAC
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digital to analog converter: A device which takes a digital value and outputs a voltage which is proportional to the input value.
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PMP
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portable media player
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repeater
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A network or communications device which propagates electrical signals from one cable to another
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router
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thing you must have in order to share broadband connection. Gives every computer on your local network an address unlike a hub
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sorting
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to place (records) in order, as numerical or alphabetical, based on the contents of one or more keys contained in each record
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synchronizing
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to cause to go on, move, operate, work, etc., at the same rate and exactly together
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TLD
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top level domain: The last and most significant component of an Internet fully qualified domain name, the part after the last "."
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virtual memory
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when CPU runs out of RAM it takes some of the stuff in RAM and puts some of the stuff in the hard drive
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WAN
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wide area network: a computer network that spans a relatively large geographical area.
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web server
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A server process running at a website which sends out web pages in response to HTTP requests from remote browsers.
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wizards vs templates
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templates are professionally designed documents wizards are programs that asks questions about the templates then creates documents based on the answers
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Access
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~Tables and files-records-fields
~Sort things or query (person, place, or thing) ~Structured query language (SQL): programming language we use to do query |
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monitor resolution
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the number of pixels or dots in each direction on a screen (724x768)
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fastest trans media
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Coaxac, film optic*, cat5
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primary use of the internet
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communication
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MIDI connect
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Musical Instrument Digital Interface allows digital instruments to talk to one another so you can make a network of musical instruments
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2 things you must have in a network
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hardware and software not hardware and people
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plug and play
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when you plug something into your computer, your computer knows how to use it
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video port
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where you plug in video
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WML
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wireless markup language an XML-based set of standards used to tag and format text displayed on hand-held wireless devices.
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