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Summary Information Technology IT Theory
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Provides first-year IBMS Students with all the theory needed to complete the IT exams.
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Information Technology Summary, Chapter 1-6,8,9
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By: jobbeelen • 6 year ago
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Application software consists of programs that help users solve particular computing problems. appliesthe power of a computer to give individuals, workgroups and the entire enterprise the ability to solve
problems and perform specific tasks. Is used throughout the medical profession to save and prolong
lives.
Example: Application software can help sales managers track sales of a new item in a test market.
Application service provider (ASP)
A company that provides software, support and the computer hardware on which to run the software
from the user’s facilities over a network.
ASP risks: sensitive information could be compromised
Application Software for Information, Decision Support and Specialized Purposes
Specialized application software for information, decision support and their purposes is available in every
industry.
Artificial intelligence (AI)
the ability of computer systems to mimic or duplicate the functions or characteristics of the human brain
or intelligence.
Arpanet
A project started by the US department of defense (DoD) in 1969 as both an experiment in reliable
networking and a means to link the DoD and military research contractors, including many universities
doing military-funded research
Business Intelligence
The process of gathering enough of the right info in a timely manner and useable form and analyzing it
to have a positive impact on business strategy, tactics or operations.
Batch processing system
A form of data processing where business transactions are accumulated over a period of time and
prepared for processing as a single unit or batch.
Business-to-consumer (B2C) e-commerce
A form of e- commerce in which customers deal directly with an organization and avoid intermediaries.
B2Me
A form of e-commerce where the business treats each customer as a separate market segment. Typical
B2Me features include customizing a website for each customer, perhaps based on their precious
purchases and personalizes(Electronic) marketing literature.
Business-to-business (B2B) e-commerce
A subset of e- commerce where all the participants are organizations.
Broadband communications
A relative term but generally means a telecommunications system that can exchange data very quickly.
Bluetooth
A wireless communications specification that describes how cell phones, computers, faxes, printers, and
other electronic devices can be interconnected over distance
Concurrency control
A method of dealing with a situation in which two or more people need to access the same record in a
database at the same time
Cascading style sheet (CSS)
A markup language for defining the visual design of a web page or group of pages
, Content streaming
A method of transferring large media files over the internet so that the data stream of voice and picture
plays more or less continuously as the file is being downloaded
Client/server System (architecture)
An approach to computing wherein multiple computer platforms are dedicated to special functions, such
as database management, printing, communications and program execution
9.2 computer Crime
Social engineering
Using one’s social skills to get computer users to provide you with info to access an info system or its
data
Cyberterrorist
Someone who intimidates or coerces a government or organization to advance his or her political or
social objective by launching computer-based attacks against computers, networks, and the info stored
on them
Cracker
A person who enjoys computer technology and spends time learning and using computer systems
Script Kiddie
A cracker with little technical savvy who downloads programs called scripts, which automate the job of
breaking into computers
Insider
An employee, disgruntled or otherwise, working solo or in concert with outsider to compromise
corporate systems
Worms
A parasitic computer program that can create copies of itself on the infected computer or end copies to
other computers via a network
Trojan Horse
A malicious program that disguises itself as a useful application and purposely does something the user
does not expect
Antivirus program Software that runs in the background to protect your computer from dangers lurking
on the internet and other possible sources of infected les
Equipment Theft
during illegal access to computer systems, data can be stolen.
Software privacy
The act of illegally duplicating software
Common methods used to Commit Computer Crimes
Methods Examples
Add, delete, or change inputs to the computer system Delete records of absences from class in a student’s school records
Modify or develop computer programs that commit Change a bank’s program for calculating interest to make it deposit
the crime rounded amounts in the criminal’s account
Alter or modify the data *les used by the computer
Change a student’s grade from C to A
system
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