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IT123 - Information Technology > LE2 > Flashcards

LE2 Flashcards

(85 cards)

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1
Q

A worldwide collection of networks
that links millions of businesses, government
agencies, educational institutions, and individuals

A

Internet

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2
Q

The Internet originated as _______ in September

1969

A

ARPANET

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3
Q

Two main goals of ARPANET

A

Allow scientists to share information and function even when the network is disabled

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4
Q

What year did the ARPANET become the internet?

A

1986

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5
Q

When did the ARPANET become functional?

A

1969

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6
Q

When did the internet2 founded?

A

1996

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7
Q

A business that provides individuals

and organizations access to the Internet free or for a fee

A

Access provider

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8
Q

What does ISP, OSP, and WISP mean?

A

Internet service provider, online services provider, and wireless isp

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9
Q

A number that uniquely identifies each

computer or device connected to the Internet

A

IP address

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10
Q

It is the text version of an IP address

A

Domain name

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11
Q

What do you call the “.com”, “.net”, “.edu”, and etc.

A

TLD or top level domain

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12
Q

It translates the domain name into its

associated IP address

A

DNS server

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13
Q

Give some examples of generic TLD

A

biz, edu, com, net, org, gov, edu, aero, mil, travel

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14
Q

It consists of a

worldwide collection of electronic documents

A

World Wide Web or Web

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15
Q

It is a collection of related Web pages

and associated items

A

Web site

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16
Q

It is a computer that delivers

requested Web pages to your computer

A

Web Server

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17
Q

It refers to Web sites that provide a means

for users to interact

A

Web 2.0

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18
Q

It allows users to access Web pages and Web 2.0 programs

A

Web browser or browser

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19
Q

It is the first page that a Web site displays

A

Home page

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20
Q

____ is the process of receiving information

A

Downloading

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21
Q

A Web page has a unique address called a _____

A

URL or web address

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22
Q

It allows you to open and view multiple

Web pages in a single Web browser window

A

Tabbed browsing

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23
Q

What are the two types of search tools?

A

Search engine and subject directory

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24
Q

A search engine is helpful in locating items such

as:

A

Images, vidoes, audio, blogs, maps, people, and or business

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25
What are the 13 types of websites?
``` Social network Wiki Blog Education Personal News Business Portal Informational Entertainment Advocay Web application Content aggregator ```
26
Refers to any application that | combines text with: Graphics, Animations, Audio, Video, and Virtual reality
Multimedia
27
It is a digital representation of nontext information
Graphic
28
It is a small version of a larger graphic
Thumbnail
29
It is the appearance of motion created | by displaying a series of still images in sequence
Animation
30
It is the process of transferring data in a | continuous and even flow
Streaming
31
It is the use of computers to simulate a real or imagined environment that appears as a three‐dimensional space
Virtual Reality
32
It is a program that extends the capability | of a Web browser
Plug-in
33
It is the development and | maintenance of Web pages
Web Publishing
34
What are the steps in web publishing?
Plan a website - analyze and design a website - create a website - deploy a website - maintain a website
35
It is a business transaction that occurs | over an electronic network
E-Commerce
36
It is the transmission of messages and files via a It computer network
E-Mail
37
It is a group of e‐mail names and addresses given a single name
Mailing list
38
It is a real‐time Internet communications service
Instant messaging
39
It is a real‐time typed conversation that takes place on a | computer
Chat
40
It is alocation on an Internet server that permits users to chat with each other
Chat room
41
It enables users to speak to other users over the Internet
VoIP
42
It is an online area in which users have written discussions about a particular subject
Newsgroup
43
It is a Web‐based type of discussion group
Message board
44
It is an Internet standard that permits file uploading and downloading with other computers on the Internet
FTP
45
It is the code of acceptable Internet | behavior
Netiquette
46
Collection of data organized in a manner that allows access, retrieval, and use of that data
Database
47
``` Collection of unprocessed items • Text • Numbers • Images • Audio •Video ```
Data
48
``` Processed data •Documents • Audio • Images •Video ```
Information
49
It allows a user to create computerized database, add, delete, and modify data, sort and retrieve data, and create forms andreports from the data
Database software or DBMS - database management system
50
Characteristics of valuable informations:
Accuracy, Verifiable, Timely, Organized, Accesible, Useful, Cost-Effective
51
True or False: | Data may not be organized in layers
False
52
True or False: | A character is one byte
True
53
It is a combination of one or more related characters
Field
54
What are the 10 common data types?
``` Text Numeric AutoNumber Currency Date Memo Yes/No Hyperlink Object Attachment ```
55
It is a group of related fields
Record
56
It is a collection of related records
Data File
57
It refers to the procedures that keep data current
File Maintenance
58
Data can be maintained in 3 different ways:
Add, Delete, Modify
59
It compares data with a set of rules or | values to find out if the data is correct
Validation
60
What are the 5 validation checks?
``` Alphabetic/Numeric check Range check Consistency check Completeness check Check digit ```
61
It contains data about each file in | the database and each field in those files
Data dictionary
62
It consists of simple, English‐like statements that allow users to specify the data to display, print, or store
Query Language
63
provides a GUI to assist | users with retrieving data
Query By Example (QBE)
64
It is a window on the screen that provides | areas for entering or modifying data in a database
Form
65
It allows users to design a report on the screen, retrieve data into the report design, and then display or print the report
Report generator
66
What are the 2 DBMS privileges provide to ensure that only authorized users access data at permitted times
Access privileges | Principle of least privileges
67
A DMBS provides a variety of techniques to restore the database to a usable form in case it is damaged or destroyed. Give 4
Backup Log Recover Utility Continuous Backup
68
It consists of rules and standards that | define how the database organizes data
Data Model
69
It is a query language that allows users to manage, update, and retrieve data
Structured Query Language (SQL)
70
It stores data in objects
Object‐oriented database (OODB)
71
It can store data in more | than two dimensions of data
Multidimensional database
72
Multidimensional Database is also called as ____
Hypercube
73
It is a huge database that stores and manages the data required to analyze historical and current transactions
Data Warehouse
74
Databases on the Web allow you to:
``` Shop for products or services Buy or sell sotcks Search of a job Make airlines reservations Register for college class Check smester grades ```
75
Decides on proper field placement, defines data relationship, and identifies users’ access privileges
Database Analyst (DA)
76
``` Creates and maintains the data dictionary, manages security, monitors performance, and checks backup and recovery procedures ```
Database Administrator (DBA)
77
The ANSI standard language for the definition and manipulation of relational database.
SQL
78
Includes data definition language (DDL), statements that specify and modify database schemas. Includes a data manipulation language (DML), statements that manipulate database content.
SQL
79
SQL data are Case Sensitive, but commands are not. | True or False.
True
80
Used to create tables
Create table ( , etc.);
81
Modifies table after it was created
Alter Table (add ); Alter Table ( drop );
82
Removes a table from database
Drop Table ;
83
Used to insert data in rows in a table
INSERT into VALUES('value1', 'value2', NULL);
84
used to update data in a table
UPDATE SET = | WHERE;
85
used to delete data in a table
DELETE FROM | WHERE;

IT123 - Information Technology (2 decks)

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