Cheatography
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Machine Cycle/Processing CycleFetch - Retrieves the next program instruction from memory. | Decode - Determines what the program is telling the compy to do. | Execute - Performs the requested instruction. | Store - Stores the results to an internal register or to memory. |
Basic HTML Structure<!DOCTYPE html>
<html>
<head>
<title>website title</title>
</head>
<body>
content of website ...
</body>
</html> |
Random Bytes*Bit = Smallest piece of data a compy works with
*8 Bits = 1 byte aka a single unit of storage
*Binary Data = written in 1s and 0s |
| | System Unit Main ComponentsMotherboard | Internal Speaker | CPU | Drive Bays | Power Supply | Expansion Slots | Cooling Fan |
AbbreviationsCSS - Cascading Style Sheet | HTML - Hyper Text Markup Language | CPU - Central Processing Unit | VoIP - Voice over Internet Protocol | LAN - Local Access Network | WAN - Wide Area Network | POST - Power-on Self-Test | CMOS - Comp. Metal Oxide Semiconductor | BIOS - Basic input/Output Sys. |
Access 20134 Objects = Tables, Forms Queries & Reports | Rows = Records, Columns = Fields |
JavaScript/HTML Thing<form></form> | <input></input> = within form | "document.write" to print | alert - simple popup window w/ ok button | onClick = event that's triggered when a user clicks something | <script></script> | Conditional Statements (if/else) | if (something happens){takes action} | Call Function by using its name & listing constants | else{takes a different action} |
| | 6 Steps of Booting a System1.) BIOS (Basic Input/Output System) is load | 2.) Power-on self test (POST) is completed | 3.) OS is loaded | 4.) System Configuration is accomplished | 5.) System utilities are loaded | 6.) User is authenticated |
Memory BankRAM (Random Access Memory)
*Volatile
*Temporarily stores data & instructions for CPU
Cache Memory
*Small unit of ultrafast memory built into or near the processor
*Stores frequently or recently access info
*3 Lvls. = L1 (primary), L2 (secondary), L3
ROM (Read-only Memory)
*Nonvolatile
*BIOS - 1st code when compy is powered on
*CMOS - Starts the power-on self-test
POST - checks circuitry & RAM
Bootstrap Loader - locates & loads OS into RAM |
| | HTML Basics<h_> </h_> | Heading (h1-h6) | <b></b> | bold | <a href="url"></a> | Create a link | <img src="filename.jpg"> | Show an Image | <ul><li>list</li></ul> | Unordered, bullet-point list | <ol><li>list</li></ol> | Ordered List | <table></table> | Define a Table | <tr></tr> | Table Row within table | <th></th> | header cell within table row | <td></td> | Table cell within table row |
3 Ways to Insert CSS1.) External Style Sheet - link to style sheet in the HTML file. | 2.) Internal Style Sheet - put in the HTML file; put the style section in the header section. | 3.) Inline Styles - Add the style formatting in the desired line by "style=". |
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