Shared Flashcard Set

Details

CSC Ch.3
Review
13
Computer Science
Undergraduate 1
09/17/2007

Additional Computer Science Flashcards

 


 

Cards

Term
When was the internet created? for what purpose? by whom?
Definition
- 1969
- created for communication between researchers
- deparment of defense and government
Term
What is Dial Up? one advantage and one disadvantage
Definition
- converts the digital signals of the computer to the analog signals that travels over the phone line
- phone lines are already there
- slow
Term
What is DSL? one advantage and disadvantage
Definition
- uses a phone line
- shares the phone line
- must be within three miles of switching office
Term
What is cable? one advantage and disadvantage
Definition
- network interface cards that uses a USB port
- faster and cheaper than dial up
- works on cable line so it can get busy
Term
What is ISDN? one advantage and disadvantage
Definition
- integrated services digital network
- talk and surf on the web at the same time
- slow
Term
What is Satellite? one advantage and disadvantage
Definition
- uses a dish
- works in rural areas
- downloads quicky but sending requests go over phone line
Term
What is an ISP and what could one do for you?
Definition
- Internet Service Provider
- has the money to pay for the services and gives customers and a slice of the connection
Term
What is a web browser?
Definition
lets you navigate the internet through GUIS
Term
Explain the parts of a URL
Definition
- uniform resource locator
- Path -> "hot to get there://where to go/what to get
Term
Search Engine
Definition
- works on keywords
- lists that found websites of your keyword
- software powered
Term
Subject Directory
Definition
- give outline
- sets up categories and let you trace your way into what you need to make the list smaller
Term
Meta Search Engine
Definition
searches over other serach engines instead of websites
Term
What is a cookie?
Definition
stores personal information on your machine such as passowrds, settings
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