Final Flashcards
Cache Memory
It’s a high speed buffer, it helps your computer run much faster.
Peripheral Devices Example
Modem Mouse Printer Keyboard Disk Drive
Data Management Software
We use it to store,search,sort,and or organize information.
Information System
The system is looked at and analyzed as to how the system function as a whole.
Line Graph
Graph that plots data or trends over time.
Cell Format
To change how a value looks
Check Your Formulas
When inserting additional rows or you should check formulas
Upper left hand corner
When building a spreadsheet, you should always document your spreadsheet data and leave in the upper left hand corner.
Text
Spread Data including headings and titles.
Commands
The menu and tool bar are where commands are entered.
What if Analysis
The ability to program a spreadsheet for different options.
A Table
Collection of related information stored in rows and columns.
What are Database Structure Elements
Tables
Records
Fields
Spreadsheets can perform
Statistical Functions Including percentage Max Min Standard Deviation
Landscape
When you print data across the width of a page this called landscape.
Formulas
Data that Adds Subtract Divides Multiples
Descending
Sort organizes data from high numbers to low numbers and ending to beginning.
What is the Best way to Avoid making database design Errors
Plan
Test
Design
Make sure there is a need
Dumb Terminal
A computer that has no computing ability of its own.
LAN
Local Area Netwok Smaller,more localized networking Used in homes, business,schools,etc Local are network are multiple users A LAN allows users to share a common network printer.
WAN
Wide area Network
Covers much larger areas, such as cities and even nations to connect.
WAN is Multi-users
Input
Users have a variety of input options for entering data into a computer, many of which involve using an input device. An input device is any hardware component that allows you to enter data and instructions into a computer or mobile device. The following sections discuss common input methods.
Example: keyboard,mouse,voice and videos, Webcam,wireless headset, scanners
Software
also called a program, consists of a series of related instructions, organized for a common purpose, that tells the computer what tasks to perform and how to perform them. Two categories of software are system software and application software. System software
OutPUT
Output Users have a variety of output options to convey text, graphics, audio, and video —many of which involve using an output device. An output device is any hardware component that conveys information from a computer or mobile device to one or more people.