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MIS 101 > Exam 2 > Flashcards

Exam 2 Flashcards

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1
Q

Computer Hardware are

A 
electric components that regulate 
input
process
output
and store data ( according to encoded computer programs or software)
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2
Q

CPU

A

Central Processing Unit (brain)

ex dual and quad processors

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3
Q

what is Main Memory?

A

RAM (Random Access Memory)

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4
Q

Server

A

it is a computer designed to support processing requests from many remote computers and users

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5
Q

what is a server farm?

A

collection of thousands of servers

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6
Q

how do computers represent data

A

binary digits (bits)

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7
Q

bytes are

A

8 bit chunks

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8
Q

I o t (internet of things)

A

it is the idea that objects are becoming connected to the internet so they can interact with other devices, application or services.

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9
Q

Operating Systems are

A

programs that controls computer’s resources

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10
Q

Native applications

A

programs that are written to use a particular OS

aka thick-client applications

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11
Q

Web-application

A

(aka thin-client application)

they run on computer browsers (ex. Firefox, chrome)

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12
Q

modern-style applications

A

applications that are touch-screen oriented (windows)

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13
Q

symbian

A

mobile operating system for Europe and far East

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14
Q

Virtulalization

A

it is where one physical computer hosts many different virtual computers within it Ex. mac book with windows and apple OS

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15
Q

site license

A

large organization negotiating a flat fee that authorizes the company to install the product on company’s computers

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16
Q

horizontal-market application

A

software provides capabilities common across all organizations and industries

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17
Q

Vertical- market applicaiton

A

software serves needs of a specific industry

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18
Q

GNU

A

it open source operating system

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19
Q

BYOD policy

A

bring your own device

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20
Q

firmware

A

this is computer software that is installed into devices such as printers, print servers, and various communication devices

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21
Q

just-in-time data

A

data delivered to the user at precise time it is needed

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22
Q

mobile device management software

A

they install and update software, backup and restore mobile devices, wipe employeesoftware in the event the device is lost or employee leaves the company

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23
Q

volatile vs nonvolitile

A

volatile means data is lost if power is off

nonvolatile means the contents survive if power is turned off ex optical disks

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24
Q

object oriented

A

these are languages used to create complex applications

used by professional programmers

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25
Q

PC virtualization

A

a personal computer hosts several different operating systems

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26
Q

columns are also called

rows are also called

A

fields

records

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27
Q

Key (aka primary key)

A

a column or group of columns that identifies a unique row in a table

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28
Q

foreign keys

A

values of the foreign key match values of the primary key in a different table

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29
Q

relational databases

A

they are databases that carry data in the form of tables and that represent relationships using foreign keys.

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30
Q

metadata

A

this data describing data

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31
Q

DBMS

A

database management system
they create, process and administer a database
ex. Access,SQL,mySQL

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32
Q

SQL

A

Structured Query Language

it is an international standard language for processing a database.

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33
Q

database application

A

it is a collection of reports, queries,and application programs that serves as intermediary between users and database data.

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34
Q

data model

A

before building a database developers construct a logical representation of database data

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35
Q

E R data models

A

tools for constructing data models (entity-relationship data models)

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36
Q

Entity

A

they are what you want to track

ex. order, customer salesperson, an item

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37
Q

identifier

A

it is an attribute (or group of attributes) whose value is associated with only one entity instance
ex. order number, customer number

38
Q

crow’s feet

A

shorthand for multiple lines between “departments” and “advisers” (one-to many relationship 1:N)

39
Q

Normalization

A

it is the process of converting a poorly structured table into two or more well structured tables

40
Q

lost update problem

A

(database application problem)two users update the same data item but only one of those changes is recorded in the data.

41
Q

maximum cardinality

A

the maximum number of involved entities that can be involved in a relationship
ex. 1:N N:M 1:1

42
Q

define the cloud

A

it is the elastic leasing pooled computer resources over the internet.

43
Q

what does elastic mean

A

that the computing resources leased can be increased or decreased dynamically, programmatically, in a short span of time and that organizations pay for just the resources that they use.

44
Q

how does the cloud pool resources?

A

different organizations use the same physical hardware; they share the same hardware through virtualization

45
Q

three types of networks

A

LAN
WAN (computers connected between two or more separated sites)
internet and internets

46
Q

Intranet

A

private internet that is used exclusively within an organization

47
Q

protocol

A

a set of rules and data structures for organizing communication

48
Q

SOHO

A

small office or Home Office

49
Q

IEEE 802.3 protocol

A

used for wired LAN connections (using ethernet)

50
Q

IEEE 802.11 protocol

A

Wireless LAN connection

51
Q

DSL

A

Digital Subscriber Line

52
Q

carriers are

A

large telecommunication providers

ex Sprint AT&T Verizon

53
Q

difference between Public and Private IP adresses

A

public identify a particular device on the public internet

Private identify a particular device on a private network

54
Q

Tree tier architecture includes

A
  1. the user Tier
  2. The server tier
  3. the database tier
55
Q

user tier

A

consists of computers, phones and other mobile devices that have browsers that request and process web pages

56
Q

database tier

A

consists of computers that run a DBMS that processes requests to retrieve and store data

57
Q

server tier

A

consists of computers that run web servers and process application programs

58
Q

SOA

A

Service-Oriented Architecture
it is a design philosophy that dictates that all interactions among computing devices are defined as services in a formal, standardized way.

59
Q

TCP/IP protocol architecture

A

has five layers

one or more protocols are defined for each layer

60
Q

smtp

A

Simple Mail Transfer Protocol

61
Q

ftp

A

File Transfer Protocol

ex Microsoft Onedrive

62
Q

SaaS

A

Software as a service
provide infrastructure, operating system and application programs
ex. iCloud, Office 365

63
Q

PaaS

A

Platform as a Service
vendors provide hosted computers, an operating system, and possibly a DBMS
ex. Microsoft Azure

64
Q

IaaS

A

Infrastructure as a Service
the cloud hosting bare server computer of data storage
ex. Amazon S3 (simple storage service)

65
Q

Content Delivery Network

A

is a system of hardware and software that stores user data in many different geographical locations and makes data available on demand

66
Q

Virtual Private cloud

A

it is a subset of a public cloud that has highly restricted, secure access

67
Q

commerce server

A

it is an application program that runs on server tier computer
it retrieve product data from database, manages the items in a shopping cart and coordinated the checkout process

68
Q

differences between structured processes and dynamic processes

A

structured processes support operational and managerial processes but dynamic support strategic
Ex. Structured: Customer Returns
Dynamic: collaboration

69
Q

what are the levels processes are used in

A

workgroup, enterprise, inter-enterprise

70
Q

ex of workgroup

A

doctor’s office

71
Q

what is a workgroup IS

A

they support one or more processes within the workgroup

72
Q

workgroup IS are also called

A

functional information systems

73
Q

Enterprise processes are

A

span an organization and support activities in multiple departments

74
Q

characteristics of Enterprise IS

A

100-1000+ users
eliminates workgroup data duplication
difficult to change

75
Q

Inter-enterprise

A

they span two or more independent organizations.

76
Q

characteristics Inter-enterprise IS

A

supports one or more inter-enterprise processes
1000+ users
can resolve problems of duplicated enterprise data
very difficult to change

77
Q

Process efficiency

A

a measure of the ratio of process outputs to inputs

78
Q

process effectiveness

A

is a measure of how well a process achieves organizational strategy

79
Q

How can a process be improved?

A

change the process structure
change the process resources
change both process structure and resources

80
Q

How can IS improve process quality?

A

performing an activity
Augmenting a human who is performing an activity
controlling data quality and process flow

81
Q

Information silo

A

it is a condition when data are isolated in separated information systems

82
Q

What is the problem of Information Silos?

A

when an org. has inconsistent duplicated data then your problem is data integrity.

83
Q

business process reengineering

A

altering existing and designing new business processes to take advantage of the new capabilities of new information systems.

84
Q

what are CRM systems

A

customer relationship management

applications, database and set of inherent processes for managing all interactions with the customer

85
Q

customer life cycle includes

A

marketing
customer acquisition
relationship management
loss/churn

86
Q

ERP

A

Enterprise Resource Planning
a suite of applications called modules, a database and a set of inherent processes for consolidating business operations into one platform.

87
Q

EAI

A

Enterprise Application Integration

software that integrates existing systems by providing layers of software to connect the applications together

88
Q

EAI does the following

A
  1. connects system’s “Islands” via a new layer of software/system
  2. allows existing applications to communicate and share data
  3. leverages existing systems
  4. allows for a gradual move to ERP
89
Q

elements of an ERP system

A 
hardware
ERP application Programs
ERP databases
Business Process Procedures
Training and consulting
90
Q

types of program code for database

A

trigger- keeps database consistent

stored procedure- used to enforce business rules

MIS 101 (6 decks)

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