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IT123 - Information Technology > LE2 > Flashcards

LE2 Flashcards

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
Q

What are the 13 types of websites?

A 
Social network
Wiki
Blog
Education
Personal
News
Business
Portal
Informational
Entertainment
Advocay
Web application
Content aggregator
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26
Q

Refers to any application that

combines text with: Graphics, Animations, Audio, Video, and Virtual reality

A

Multimedia

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27
Q

It is a digital representation of nontext information

A

Graphic

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28
Q

It is a small version of a larger graphic

A

Thumbnail

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29
Q

It is the appearance of motion created

by displaying a series of still images in sequence

A

Animation

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30
Q

It is the process of transferring data in a

continuous and even flow

A

Streaming

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31
Q

It is the use of computers to
simulate a real or imagined environment that
appears as a three‐dimensional space

A

Virtual Reality

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32
Q

It is a program that extends the capability

of a Web browser

A

Plug-in

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33
Q

It is the development and

maintenance of Web pages

A

Web Publishing

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34
Q

What are the steps in web publishing?

A

Plan a website - analyze and design a website - create a website - deploy a website - maintain a website

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35
Q

It is a business transaction that occurs

over an electronic network

A

E-Commerce

36
Q

It is the transmission of messages and files via a It computer network

A

E-Mail

37
Q

It is a group of e‐mail names and addresses given a single name

A

Mailing list

38
Q

It is a real‐time Internet communications service

A

Instant messaging

39
Q

It is a real‐time typed conversation that takes place on a

computer

A

Chat

40
Q

It is alocation on an Internet server that permits users to chat with each other

A

Chat room

41
Q

It enables users to speak to other users over the Internet

A

VoIP

42
Q

It is an online area in which users have written discussions about a particular subject

A

Newsgroup

43
Q

It is a Web‐based type of discussion group

A

Message board

44
Q

It is an Internet standard that permits file uploading and downloading with other computers on the Internet

A

FTP

45
Q

It is the code of acceptable Internet

behavior

A

Netiquette

46
Q

Collection of data organized in a manner that allows access, retrieval, and use of that data

A

Database

47
Q 
Collection of unprocessed items
• Text
• Numbers
• Images
• Audio
•Video
A

Data

48
Q 
Processed data
•Documents
• Audio
• Images
•Video
A

Information

49
Q

It allows a user to create computerized database, add, delete, and modify data, sort and retrieve data, and create forms andreports from the data

A

Database software or DBMS - database management system

50
Q

Characteristics of valuable informations:

A

Accuracy, Verifiable, Timely, Organized, Accesible, Useful, Cost-Effective

51
Q

True or False:

Data may not be organized in layers

A

False

52
Q

True or False:

A character is one byte

A

True

53
Q

It is a combination of one or more related characters

A

Field

54
Q

What are the 10 common data types?

A 
Text
Numeric
AutoNumber
Currency
Date
Memo
Yes/No
Hyperlink
Object
Attachment
55
Q

It is a group of related fields

A

Record

56
Q

It is a collection of related records

A

Data File

57
Q

It refers to the procedures that keep data current

A

File Maintenance

58
Q

Data can be maintained in 3 different ways:

A

Add, Delete, Modify

59
Q

It compares data with a set of rules or

values to find out if the data is correct

A

Validation

60
Q

What are the 5 validation checks?

A 
Alphabetic/Numeric check
Range check
Consistency check
Completeness check
Check digit
61
Q

It contains data about each file in

the database and each field in those files

A

Data dictionary

62
Q

It consists of simple, English‐like
statements that allow users to specify the data to
display, print, or store

A

Query Language

63
Q

provides a GUI to assist

users with retrieving data

A

Query By Example (QBE)

64
Q

It is a window on the screen that provides

areas for entering or modifying data in a database

A

Form

65
Q

It allows users to design a report
on the screen, retrieve data into the report
design, and then display or print the report

A

Report generator

66
Q

What are the 2 DBMS privileges provide to
ensure that only authorized users
access data at permitted times

A

Access privileges

Principle of least privileges

67
Q

A DMBS provides a variety of techniques to
restore the database to a usable form in case it is
damaged or destroyed. Give 4

A

Backup
Log
Recover Utility
Continuous Backup

68
Q

It consists of rules and standards that

define how the database organizes data

A

Data Model

69
Q

It is a query
language that allows users to manage, update,
and retrieve data

A

Structured Query Language (SQL)

70
Q

It stores data in objects

A

Object‐oriented database (OODB)

71
Q

It can store data in more

than two dimensions of data

A

Multidimensional database

72
Q

Multidimensional Database is also called as ____

A

Hypercube

73
Q

It is a huge database that stores and
manages the data required to analyze historical and
current transactions

A

Data Warehouse

74
Q

Databases on the Web allow you to:

A 
Shop for products or services
Buy or sell sotcks
Search of a job
Make airlines reservations
Register for college class
Check smester grades
75
Q

Decides on proper field
placement, defines data
relationship, and identifies
users’ access privileges

A

Database Analyst (DA)

76
Q 
Creates and maintains the data
dictionary, manages security,
monitors performance, and
checks backup and recovery
procedures
A

Database Administrator (DBA)

77
Q

The ANSI standard language for the definition and manipulation of relational database.

A

SQL

78
Q

Includes data definition language (DDL), statements that specify and modify database schemas.

Includes a data manipulation language (DML), statements that manipulate database content.

A

SQL

79
Q

SQL data are Case Sensitive, but commands are not.

True or False.

A

True

80
Q

Used to create tables

A

Create table ( , etc.);

81
Q

Modifies table after it was created

A

Alter Table (add );

Alter Table ( drop );

82
Q

Removes a table from database

A

Drop Table ;

83
Q

Used to insert data in rows in a table

A

INSERT into VALUES(‘value1’, ‘value2’, NULL);

84
Q

used to update data in a table

A

UPDATE SET =

WHERE;

85
Q

used to delete data in a table

A

DELETE FROM

WHERE;

IT123 - Information Technology (2 decks)

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