Chapter 1- 5

Question 1

Information Systems

Answer 1

Any organized combination of people hardware software communication networks data resources and policies/procedures that stores retrieves transforms and disseminates information.

Question 2

System

Answer 2

A set of interrelated components with a clearly defined boundary working together to achieve a common set of objectives by accepting inputs and producing outputs in an organized process

Question 3

Elements of a system

Answer 3

Input, Output, Processing, Storage, Control examples: keyboards, video displays, CPU, flash drives

Question 4

Hardware Resources

Answer 4

machines and media ( computers, monitors etc., floppy discs etc

Question 5

Software resources

Answer 5

programs ( system and application software) and procedures

Question 6

Competitive Advantage

Answer 6

A product or service that an organizations customers place greater value on than similar offerings from a competitor

Question 7

Porter’s five forces

Answer 7

Rivalry, buyer power, supplier power, threat of substitutes, threat of new entrants

Question 8

Business Strategies/ competitive strategies

Answer 8

Cost leadership, differentiation, alliance, growth, innovation

Question 9

Switching Costs

Answer 9

reduce buyer power (loyalty programs)

Question 10

Customer Value

Answer 10

quality rather than price, individual preferences, customer service tailored to customers, technology allows companies to offer responsive products.

Question 11

BPR

Answer 11

Business Process Reengineering- competitive strategy; radical redesign top down change

Question 12

Computer Hardware

Answer 12

physical devices associated with a computer system

Question 13

Peripheals

Answer 13

generic name given to all input, output and secondary storage devices part of computer but not part of CPU

Question 14

Input technologies

Answer 14

speech recognition optical scanning digital cameras

Question 15

Computer storage fundementals

Answer 15

data are processed and stored in a computer system through the presence or absence of electronic or magnetic signals in computers circulatory system

Question 16

Binary representation

Answer 16

bit- 0 or 1, 8 bits= 1 byte

Question 17

Storage capacities

Answer 17

kilo mega giga tera

Question 18

CPU

Answer 18

central processing unit ( control unit/arithmetic logic unit (alu))

Question 19

Semiconductor memory

Answer 19

RAM/ROM RAM is volatile

Question 20

RFID

Answer 20

radio frequency identification - storage technology for tracking

Question 21

Computer Software

Answer 21

the set of instrux. that the hardware executes to carry out specific tasks

Question 22

Types of software

Answer 22

Application and system

Question 23

Application Software

Answer 23

performs info processing tasks for end users ( ex. word processing, spreadsheets, databases, web browsers, email)

Question 24

COTS

Answer 24

commercial off the shelf software (Application software/ example: office suite, adobe acrobat)

Question 25

System Software

Answer 25

manages and supports operations of computer systems and network ( example microsoft windows IOS 7 )

Question 26

Open source software

Answer 26

can be modified and accessed by users

Question 27

cloud computing

Answer 27

virtualized hardware resources provided as a service over the internet

Question 28

Character

Answer 28

most basic element single letter number or single

Question 29

feild

Answer 29

consists of grouping of characters ( a last name, first name, middle name)

Question 30

record

Answer 30

a collection of attributes that describe a single entity

Question 31

primary key

Answer 31

unique identifier of one instance of an entity distinguishing it from another

Question 32

file

Answer 32

a group of related records (also known as a table)

Question 33

database

Answer 33

an integrated collection of logically related data elements

Question 34

relational database

Answer 34

stores information in the form of logically related two dimensional tables

Question 35

DBMS

Answer 35

Database management system- a set of computer programs that controls the creation maintenance and use of an organizations database

Question 36

data warehouse

Answer 36

stores data

Question 37

data marts

Answer 37

contains subsets of data from warehouse to focus on specific aspect

Question 38

data mining

Answer 38

analyzed to reveal hidden patterns, getting useful info from a data warehouse

Question 39

Moore's Law

Answer 39

technology will grow every 18-24 months

Question 40

Types of databases

Answer 40

operational, distributed, external, hypermedia