問題一覧
1
Storage drive
•Hard Disk •Solid-State Drive •USB Flash Drive •Memory Card •Optical Disc •Cloud Storage
2
is a worldwide collection of networks
Internet
3
originated as ARPANET in September 1969
internet
4
internet originated
ARPANET
5
Internet originated as ARPANET in
September 1969
6
Internet 2 main goals
Allow scientists at different physical locations to share information and work together Function even if part of the network were disabled or destroyed by a disaster
7
Allow scientists at different physical locations to share information and work together
internet
8
Function even if part of the network were disabled or destroyed by a disaster
internet
9
becomes functional
1969 ARPANET
10
has more than 1,000 individual computers linked as hosts
1984 ARPANET
11
a computer or device physically attaches via a cable or wire
wire connection
12
Computers without a communications device can use a
wireless modem
13
Wired
• Cable Internet service • DSL (digital subscriber line) • Fiber to the Premises (FTTP)
14
Wireless
• Wi-Fi (wireless fidelity) • Mobile broadband • Fixed wireless • Satellite Internet Service
15
is a wireless network that provides Internet
hotspot
16
access to the Internet free or for a fee
Internet service provider (ISP)
17
represents the amount of data that travels over a network
Bandwidth
18
Bandwidth
– Megabyte (MB) – Gigabyte (GB)
19
is a sequence of numbers
IP address
20
is a text-based name
domain name
21
translates the domain name
DNS server
22
TLD
.com .edu .gov .mil .net .org
23
commerical organizations
.com
24
educational institution
.edu
25
government agencies
.gov
26
Military organization
.mil
27
network providers
.net
28
nonprofit organizations
.org
29
consists of a worldwide collection of electronic documents
World wide web or www or web
30
electronic documents
webpage
31
is a collection of related webpages
website
32
is a computer that delivers requested webpages
web server
33
provide a means for users to share personal information
web 2.0
34
enables users with an Internet connection to access and view webpages
browser
35
is the first page that a website displays
home page