Homework

• Explain these terms in your own words.• If they are not your own words, they

need to be in quotes with a source given.• Sources

1. Wilson2. Webopedia3. Burke4. Other authoritative sources5. Wikipedia

ROM

Read Only Memory

Used on chips and discs

Data can not be altered, deleted, augmented or overwritten

Data is retained when computer is turned off

Hard Disk

• Hard Drive is the main storage area for a PC. Up to 100 GB.

• Data persists without power

• Much larger capacity than a floppy disk

• Does a hard disk use ROM?

Sound Card

• Expansion card that allows the computer to receive audio input from a mic and send audio output to speakers/headset. The sound card converts digital data to analog audio and vice versa.

Mouse

• An input device which allows a user to interact with a computer through a point and click system.

• Dragging the mouse moves the cursor/pointer on the screen.

• Variations on a mouse– Track ball– Touch pad etc.

Scanner

• Input device that reads images.

• Barcode scanner – reads barcodes

• Optical scanner – scans images and text with the help of Optical Character Recognition Software

Port

• Opening or slot on a computer for plugging in peripherals such as scanners, keyboards, printers, ethernet connections, telephone lines etc.

LAN

• Local Area Network

• A network of computers in a building or campus connected together for the purpose of sharing information.

GUI

• Graphical User Interface

• A graphical system for controlling a computer. The icons/images on the screen represent programs and files.

• A mouse is usually used with a GUI to create a point and click navigation system.

• Different from a command line interface.

ASCII

• American Standard Code for Information Interchange

• A numeric system for encoding the keyboard characters. Based on the English language. This standard allows for the exchange of information between different types of computers.

Binary

• Binary code is used for all computer operations. At the most basic level all computer operations are based on a binary system where all data and programs are converted into a series of 0s and 1s.

The Internet

• Global computer network made up of smaller networks using common protocols

Asynchronous

• Email is an example

• What is an example of synchronous communication?

Bandwidth

• Width of the pipe. The amount of data that can be sent at once.

blog

• Weblog

• Diary style information source

• http://ccsflibrary.blogspot.com/

E-mail

• Electronic Mail

FTP

• File Transfer Protocol

• Loading bibliographic records (MARC records)

Firewall

Software that blocks access and protects a network or PC

HTML

• Hypertext Markup Language

• Coding language used for the WWW

HTTP

• Hypertext Transfer Protocol

• World Wide Web

Hypertext

• System of linking from text and images from one document to another.

• Basis of the WWW

IM

• Instant Messaging

• Synchronous communication system

intranet

• Web site internal to an organization, limited to local access and contained within a firewall.

IP address

• Internet Protocol address

• A unique number that identifies a computer connected to the Internet.

• Contains 4 octets: 123.234.23.1

• A domain hostname (www.ccsf.edu) is the name equivalent of a numeric IP address.

• Server/PC

ISP

• Internet Service Provider

• A company or organization that provides access to the Internet

LISTSERV

• Internet software that creates mailing or discussion lists.

NNTP

• Network News Transfer Protocol

• Newsgroups or Usenet Newsgroups

protocol

• A standard format for exchanging data between computers

RSS

Really Simple Syndication

Rich Site Summary

RDF Site Summary

An Internet tool that creates feeds or updates from Web sites and alerts subscribers

SMTP

• Simple Mail Transfer Protocol

• Used to send and receive e-mail

Internet Protocols

• HTTP

• FTP

• SMTP

• TCP/IP

TCP/IP

• Transmission Control Protocol and Internet Protocol

• Packet switching protocols

Internet In Libraries

• Public Services

• Reference Services

• Technical Services

• Collection Development

• Communication

Technologies in Libraries

• Blogs

• Chat/IM reference