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Flashcards in Quiz 5 Deck (15)
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1
Q

Network

A

A computer network is a collection of computers and other hardware components interconnected by communication channels that allow sharing of resources and information

2
Q

Communication

A

Between all of the divices on the internet running on different platforms is made possible by the common communication protocal TCP and IP

3
Q

Transmission Control Protocol (TCP)

A

Creates connections and exchanges information

4
Q

Internet protocol (IP)

A

Responsible for addressing. Four numbers call octets separated by periods. Contains a number between 0-255

5
Q

Domain Names

A

Name given to an IP address

6
Q

World wide web

A

Collection of files that can be linked and accessed using HTTP

7
Q

Hypertext

A

A groups of interlinked files

8
Q

HTTP

A

Allows web browers to communicate with Web servers

9
Q

HTML

A

A set of specifications telling a browser how to display a Web page

10
Q

URL

A

A web address of a document on a computer

11
Q

Primary Keys

A

Must be unique, cant be blank, are reused in other tables, can consist of one or more fields

12
Q

Defining a database

A

Step one:what are the entites step two:what info do we want to know about them step three:what data attributes step 4:define how tables are related

13
Q

Roles of tables

A

Store data on specific types of things, relate different tables, restrict data

14
Q

Database queries

A
  1. What entities 2. What information 3. Selection criteria 4. Sort
15
Q

Internet

A

The worldwide communications infrastructure that links computer networks using the internet suite of protocols and permits public access