ROM: Stands for Read Only Memory. ROM contains instructions to tell the computer to fire up. It is read from a small system that is inside the ROM.

CD-R: CD-R disks are basicly just blank discs where you can put movies, music, or and kind of data onto. The data that you put onto a CD-R disc is permanent so you can not removie it.

 

CD-RW: This can be written many times over and over. Unlike the CD-R the CD-RW doesnt store data as well so it can be erased.

 

DVD+RAM: DVD is a large capasity disk that looks like a CD but isnt. It can store almost anything. RAM is made up of small memory chips that can change or re-arrange data. Work only whn placed in enclosing cartridges.

 

DVD-RW: With this you can erase data or add data. These are great for backups in your computer. Hold 4.7GB of data.

 

DVD-R: IT looks like a CD but it can also store data. These disks can store alot more data in them instead of the normal CD-R. A basic single-sided disk can store 4.7GB of data.

 

DVD+R: Can store alot more data than others. It is not as common around now compared to the DVD-R. it is almost the same as the DVD-R.

 

T1. Allows you to transfer digital signals from place to place. To many people on one line can cause trouble so most colleges and buisnesses have more than one. T1 allows more data to be transferred so that hundreds of people can be accessing the internet form one line.

 

BIOS: The BIOS is already installed when you get your computer. It does not come on Macs. It just helps your comuter boot up properly. The CPU accesses the BIOS even before the operating system is located.

 

Format: You can format three different ways, page format, disk format, and file format. It can formatn the page by looking at the layout. It also can format a disk by formating or unformating the disk. It can format the data that is saved in the file.

Terms #4

DV: DV stands for DIgital Video. Digital Video can be stored on a tape and it is recorded digitally. it may be edited or changed on a computer.

OCR devices: Stands for Optional Character Reciognition. it allows you to scan a paper that you may have deleted on your hardrive.

Resolution: It has two different deffenitions. It can either tell you how many pixels are in your monitor or how neat your printer can print out something.

MIDI: MIDI stands for musical instrament digital interface. It is used by musicians to link together differnent musical instraments.

Cursor: Cursors are what the mouse key is on your screen it shows you where you are pointing. it allows you to open a program.

CCD: Charged coupled device is what its called. It gets lioght and then saves it to turn it into digital data. the quality may vary with the CCD.

Offline: Offline is when the computer is not on or connected to anything. Its when the computer is just sitting there not doing anything.

Cybercrime: Cybercrime is the cruelty of online users. It may vary from video chat or just normal chat. People do it to bring eachother down and make them feel bad.

WIKI: WIKI is a program or website where people can post and share information. Wikipedia is a website where this can happen.

Blog: A blog is probably one of the most simple tools that is on the computer. All you have to do is type and post.

Analog: Continuous transmission of information to our senses. It reads bumps and grooves. Analog data is more accurate than digital data.

Bit: Comes from the Phrase Binary DigIT. A bit is the smallest unit of data in a cmputer. A full page is about 16,000 bits. Bits are different than Bytes.

Cache: A Cache stores recently used information in a place where it can be accessed extremly fast. Disk Cache stores information you have recently read from your hard disk in the computers Ram.

Firmware: Allows a software program on  ahardware device to communicate with the computer. It is semi permenant since it remains the same unless it is updated by firmware updater.

Memory: Usually refers to RAM or random access memory. When your computer boots up, it loads the operating system into memory. It stores programs and systems. When your computer is off Ram is erased.

Flash Memory: Name comoes from how the memory is designed. A section of memory cells can be erased in a single action or in a flash. Stores the settings in a computer Digital Cameras, cell phones, and networking.

Peripheral: Any external device that provides input and output for the computer. A keyboard and a mouse are input peripherals.

USB: Universal Serial Bus. Most common type of computer port used in todays computers. Keyboards, mice, controllers, printers, and scanners. USB 1.1 vs USB 2.0. Intorduced in 1997, the technology didnt really take of the Apple Imac which used USB ports exclusively.

Ehternet: Most common type of connection computers use in local area network. An ethernet port looks

much like a regular phone jack but slightly wider. Connect computer to computer.

Chip: Piece of silicon with an electronic circuit embedded in it. Embedded in to computers, graphic cards, and memory.

Terms #2

Austin Hoffmann

Internet: Was created to be a nuke proof connection. created during the cold war by the U.S Military.

Router: A device that is made to route data from place to place. Only authorized data is allowed through to the computer.

TCP/IP: Stands for Transmission Control Protocol/Internet Protocol. Both of these were invented by the U.S Military. it allows computers to work together over great distances.

Browser: Program that people use to access the World Wide Web. Its purpose is to read HTML code including text, images, and hyperlinks.

Firewall: Limits the data that passes through. It protects the computer from anything harmful like viruses, spams, and unauthorized users.

Proxy: Proxy is a server that all computers on local networks have to go through before accessing information on the internet. Improves network performance and narrows what the user is able to look at.

WIFI: Wireless Fidelity is what WIFI stands for. Manufacturers can make wirless products that can work with other manuafcturers equipment.

ISP: In order to connect to the internet you need an ISP. It is the company that you pay a monthly fee to in order to use the internet.

Netiquette: Good Nettiquette is respecting peoples privacy. People that spam other users with unwanted emails or popups have verty bad Nettiquette. Three places where Nettiquette is stressed is email, private chats, and online newsgroups.

Streaming: Is when is when a multimedia file can be played back without downloadibng the whole thing first. Real audio and quick time documents can be streaming files. Meaning you can watch a video or listen to a sound file while its being downloaded to you computer.