Download September 9 - fog.ccsf.edu

Homework
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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.
2.
3.
4.
5.
Wilson
Webopedia
Burke
Other authoritative sources
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
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HTTP
FTP
SMTP
TCP/IP
TCP/IP
• Transmission Control Protocol and Internet
Protocol
• Packet switching protocols
Internet In Libraries
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Public Services
Reference Services
Technical Services
Collection Development
Communication
Technologies in Libraries
• Blogs
• Chat/IM reference