server
computer system running softward to respond to other computers’ requests for data
host
the computer that holds the server software
client
the computer making requests to the server
URL
Universal Resource Locator: the address of a website
CPU
central processing unit: the “brains” of a computer
RAM
random access memory
handshake
an exchange of information between computers to confirm that a connection has been made and compatible protocols are being used
cache
a location in memory where recently used webpages are tempporaroly sotred ot enable fatster access to the information
upload
to transfer data from a client to a server
download
to transfer data from a server to a client
cookies
small packiages of data that a website stores on your computer with information about user activities, preferences, etc.
sessional cookie
a temporary cookie that is deleted when you quite your browser
persistent cookie
a cookie that remains on your computer after you have quit your browser
FTP
file transfer protocol