Advertisement Upgrade to remove ads

insy vocabulary

Dot Coms

a group of internet based companies

Offshoring

relocating business processes, such as development and production, to lower-cost locations in other countries.

Outsourcing

the use of components or labor from outside suppliers .

Database administrator

analyzes a company's data to determine the most effective way to collect and store it

Computer Engineer

designs and tests new hardware products, such as computer chips, circuit boards, computers, and peripheral devices.

Technical Writer

creates documentation for large programming projects and writes the online or printed user manuals that accompany computers, peripheral devices and software.

Software Engineering

takes a disciplined approach to developing software that is reliable, efficient, affordable, user-friendly, and scalable.

Network specialist/administrator

plans, installs, and maintains one or more local area networks.

VAR

(value-added reseller) a value added reseller combines commercially available products with specialty hardware or software to create a computer system designed to met the needs of a specific industry.

Exception Report

contains information that is outside normal or acceptable ranges. (miscellaneous? )

Summary Report

combines groups or totals data. (more organized then exception)

Ad Hoc Report

Sometimes called a demand report. is a customized report, generated to supply specific information not available in scheduled reports.

Decision Support System

(dss) helps people make decisions by directly manipulating data, analyzing data from external sources, generating statistical projections, and creating data models of various scenarios

Expert System

sometimes referred to as a knowledge-based system is a computer system designed to analyze data and produce a recommendation, diagnosis, or decision based on a set of facts and rules.

Neural Network

uses computer circuitry to simulate the way a brain might process information learn and remember.

PERT

(program Evaluation and review technique) is a method for analyzing the time needed to complete each project task and identifying the minimum time needed to complete the total project

WBS

(work Breakdown Structure) breaks a complex task into a series of subtasks.

Gantt Chart

uses bars to show the timing of development tasks as they occur over time.

SDLC/Phases of SDLC

(system development life cycle ) planning phase analysis phase design phase.

Centralized vs Distributed Processing

Centralized - data is processed on a centrally located computer.
Distributed- processing asks are distributed to servers and workstations.

Turnkey system

essentially an "information system in a box" which consists of hardware and commercial software designed to offer a complete information system solution.

Unit Testing

ensures that it operates reliably and correctly.

Integration Testing

performed to ensure that the modules operate together correctly

System Testing

ensures that all hardware and software components work together correctly.

Database/database model

database- is a collection of information
database model- an underlying structure of a database

Types of Database models

one to many- most common types of relationships in a normalized database
many to many-common real life relationship built in a normalized database. broken down to many relationships. (there are many students but each student can be related to many sections and many sections to the students)
one to one-not very common. entity that lets you know 2 individual things should be combined into one.(user id has one login and one user)

DBMS

(database management System) refers to software that is designed to manage data stored in a database.

Data Warehouse

a repository for data from more than one database.

Data Mining

refers to the process of analyzing existing database information to discover previously unknown and potentially useful information including relationships and patterns

Cardinality

refers to the number of associations that can exist between two record types

XML

a markup language that allows field tags, data, and tables to be incorporated into a web document.

Normalization

helps database designers create a database structure that can save storage space and increase processing efficiency.

SQL

(structured query Language) typically work behind the scenes as an intermediary between the database client software provided to users and database itself.

SQL statements

Create- creates database or table
Delete- Remove record from table
Insert- add a record
Join- use the data from 2 tables
Select- saarch for records
Update- change data in a field

HIgh Level Vs Low Level Languages

High Level Language- uses command words and grammar based on human languages to provide what computer scientists call a level of abstraction that hides the underlying low level assembly or machine language
Low Level- typically includes commands specific to a particular CPU or microprocessor family

1st 2nd 3rd 4th and 5th Generation languages

1.machine languages. 2. assembly language
3. high level languages 4.close to human or natural language 5. based on declarative programming paradigm .

Problem Statement

defines certain elements that must be manipulated to achieve a result or goal.

Syntax

in the context of programming languages, refers to the grammar rules that create valid program statements.

Run-time Error

an error that occurs when a computer program is run.
Runtime- when a program is running

Logic Errors

an error in the logic or design of a program, such as the wrong formula to calculate the area of a round piza

Pseudo code

is a notational system for algorithms that has been described as a mixture of English and your favorite programming language.

Structured English

a subset of the English language with a limited selection of a sentence structures that reflect processing activities.

FlowChart

a graphical representation of the way a computer should progress from one instruction to the next when it performs a task

Programming Control Structures

Selection Control Structure- tells a computer what to do, based on whether a condition is true or false
Repetition Control Structure- directs the computer to repeat one or more instructions until a certain condition is met.
Sequence Control Structure- changes the order in which instructions are carried out by directing th computer to execute an instructions elsewhere in the program

Class

a template for a group of objects with similar characteristics

Attribute

class attribute- defines the characteristics of a set of objects
public attribute- available for use by any routine in the program
private attribute- can be accessed only from the routine in which it is defined

Method

collects input perform calculations etc. activated by a message, can be defined alone with the class they affect

Inheritance

oriented terminology, a method for defining new classes of objects based on the characteristics of existing classes

polymorphism

oriented programming the ability to redefine a method for a subclass also called overloading

SDK

(software development kit), a collection of language, specific programming tools

IDE

(integrated development environment). a set of programming tools typically including editor, compiler, and debugger packaged into an application for creating programs

VDE

(visual Development environment) programming tools that allow programmers to build substantial parts of computer programs by pointing and clicking rather than entering code

Please allow access to your computer’s microphone to use Voice Recording.

Having trouble? Click here for help.

We can’t access your microphone!

Click the icon above to update your browser permissions above and try again

Example:

Reload the page to try again!

Reload

Press Cmd-0 to reset your zoom

Press Ctrl-0 to reset your zoom

It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.

Please upgrade Flash or install Chrome
to use Voice Recording.

For more help, see our troubleshooting page.

Your microphone is muted

For help fixing this issue, see this FAQ.

Star this term

You can study starred terms together

NEW! Voice Recording

Create Set