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CSCI Final Cheat Sheet by

Cheat Sheet for Final

Machine Cycle/­Pro­cessing Cycle

Fetch - 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>
  <title>website title</title>
  content of website ...

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 Components

Internal Speaker
Drive Bays
Power Supply
Expansion Slots
Cooling Fan


CSS - 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 2013

4 Objects = Tables, Forms Queries & Reports
Rows = Records, Columns = Fields

JavaSc­rip­t/HTML Thing

<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
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 System

1.) 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 Bank

RAM (Random Access Memory)
*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)
*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)
<a href="u­rl">­</a>
Create a link
<img src="fi­len­­g">
Show an Image
Unordered, bullet­-point list
Ordered List
Define a Table
Table Row within table
header cell within table row
Table cell within table row

3 Ways to Insert CSS

1.) 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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