Final Review Flashcards
What are cookies, and what are they used for?
(technically an HTTP cookie) is a small chunk of data generated by a Web server and stored in a text file on your computer’s hard disk.they allow a website to store information on a client computer for later retrieval
Web sites use cookies to?
- monitor your path through a site to keep track of the pages you viewed or the items you purchased
- gather info that allows a web server to present ad banners targeted to products you previously purchased at that site
- collect personal info you submit to a web page, and retain it for you the next time you visit the site.
What does an Antispyware program do?
it identifies and neutralizes web bugs, ad-serving cookies, and other spyware
What is a web crawler?
(web spider) is a computer program that is automated to methodically visit web sites. download web pages and submit then to an indexing utility for processing
What is netiquette?
is online jargon for internet etiquette. keeps you civilized.
Buffer?
is technical jargon for a region of memory that holds data waiting to be transferred from one device to another
What are different forms of e-commerce?
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What provides process and memory management services that allow two or more tasks, jobs, or programs to run simultaneously?
Multitasking.
What allows multiple parts, or threads to run simultaneously. For example, one thread for spreadsheet program might be waiting for input from the user while other threads perform calculations in the background.
Multithreading
An operating systems ________ capability supports a division of labor among all the processing units
Multiprocessing.
The rate at which data is transmitted from your home computer to the Internet
Upstream speed
The rate at which transmitted data flows from a host or server to a local computer
Downstream speed
Technique for increasing the speed of a computer component, such as a processor, graphics card, system board, or memory
Overclocking
A word number or phrase that must be known to encrypt or decrypt a message?
Cryptographic key
An interconnected group of computers and peripherals located within a relatively limited area, such as a building or campus
LAN (local area network)