toshiki-notebook/assets/academic_cis105_cis105-l6-pt1-lecture-note.md.c524422d.lean.js

import{_ as a}from"./chunks/PageInfo.vue_vue_type_script_setup_true_lang.65c6b98c.js";import{_ as r,o as s,c as o,k as t,a as l,E as n,O as m}from"./chunks/framework.c989bd33.js";import"./chunks/commonjsHelpers.725317a4.js";const b=JSON.parse('{"title":"CIS105: Computer Applications & Information Systems Lect. 6 Pt. 1","description":"","frontmatter":{},"headers":[],"relativePath":"academic/cis105/cis105-l6-pt1-lecture-note.md","filePath":"academic/cis105/cis105-l6-pt1-lecture-note.md","lastUpdated":1726418178000}'),c={name:"academic/cis105/cis105-l6-pt1-lecture-note.md"};function d(u,e,p,h,f,y){const i=a;return s(),o("div",null,[e[0]||(e[0]=t("h1",{id:"cis105-computer-applications-information-systems-lect-6-pt-1",tabindex:"-1"},[l("CIS105: Computer Applications & Information Systems Lect. 6 Pt. 1 "),t("a",{class:"header-anchor",href:"#cis105-computer-applications-information-systems-lect-6-pt-1","aria-label":'Permalink to "CIS105: Computer Applications & Information Systems Lect. 6 Pt. 1"'},"​")],-1)),n(i,{readTime:"3",words:"529"}),e[1]||(e[1]=m('<h2 id="chapter-6-system-software" tabindex="-1">Chapter 6: System Software <a class="header-anchor" href="#chapter-6-system-software" aria-label="Permalink to &quot;Chapter 6: System Software&quot;">​</a></h2><h3 id="_6-1-system-software-overview" tabindex="-1">6.1: System Software Overview <a class="header-anchor" href="#_6-1-system-software-overview" aria-label="Permalink to &quot;6.1: System Software Overview&quot;">​</a></h3><p>System Software:</p><ul><li>Enables the Operating System</li><li>Controls memory, input and output, and manages filing system</li><li>Runs essential processes automatically</li><li>Controls the physical hardware so that applications software can work</li><li>If your computer is running, your system software is working</li></ul><h3 id="_6-2-starting-the-computer" tabindex="-1">6.2: Starting the Computer <a class="header-anchor" href="#_6-2-starting-the-computer" aria-label="Permalink to &quot;6.2: Starting the Computer&quot;">​</a></h3><p>What happens when you press the power button:</p><ul><li>System searches for Basic Input/Output System (BIOS)</li><li>Firmware, locates computer hardware</li><li>SS loads the platform (OS) into the computer’s memory: Booting</li><li>Powering up the computer for the first time: Cold Boot</li><li>Restarting a computer: Warm Boot</li><li>Computer will ask for login and load your profile</li><li>Preferences, themes, styles, and types of resources set up by the user</li><li>Registry loads settings made by the user</li><li>Screen savers, appearance, and personalizations</li></ul><h3 id="_6-3-administering-application-software" tabindex="-1">6.3: Administering Application Software <a class="header-anchor" href="#_6-3-administering-application-software" aria-label="Permalink to &quot;6.3: Administering Application Software&quot;">​</a></h3><ul><li>When a user clicks on an application, the application info moves from the hard drive to RAM (Random Access Memory)</li><li>SS and OS make sure application software works correctly</li></ul><h3 id="_6-4-memory-management" tabindex="-1">6.4: Memory Management <a class="header-anchor" href="#_6-4-memory-management" aria-label="Permalink to &quot;6.4: Memory Management&quot;">​</a></h3><ul><li>Computer memory allocation can be compared to a farmer allocating water for crops</li><li>Virtual memory: The technique of breaking large files down from the hard drive into smaller, more manageable files that fit in RAM</li><li>Smaller files called Pages</li><li>If the pages exceed RAM storage, OS will store temporary copies of pages to hard drive</li><li>Swap Files: When pages exceed RAM storage, OS swaps pages between hard drive and RAM Ask yourself: Does your business need new computers or new computer parts?</li><li>New computer: $800-1500</li><li>Upgraded RAM: $50-$200</li><li>Upgraded Hard Drive:$40-$100</li></ul><h3 id="_6-5-interfacing-and-utilities" tabindex="-1">6.5: Interfacing and Utilities <a class="header-anchor" href="#_6-5-interfacing-and-utilities" aria-label="Permalink to &quot;6.5: Interfacing and Utilities&quot;">​</a></h3><p>SS in the form of an OS must serve as a translator for both the computer and end user</p><ul><li>Monitor: displays and renders output an end user can understand</li><li>GUI</li><li>Icon: A small pictogram on the desktop that a user clicks with a mouse</li><li>Window: A GUI unto its own</li><li>Device Drivers: allow input and output devices to operate properly</li><li>The background displayed on the monitor is considered the desktop environment, or &quot;desktop&quot; for short</li><li>Active Window: the window that the user is currently using</li></ul><h3 id="_6-6-file-management-systems" tabindex="-1">6.6: File Management Systems <a class="header-anchor" href="#_6-6-file-management-systems" aria-label="Permalink to &quot;6.6: File Management Systems&quot;">​</a></h3><p>Based on a hierarchy of folders that contain computer files. File management systems are searchable and provide information on files:</p><ul><li>File Name</li><li>File Creation Date</li><li>File Modification Date</li><li>Location of the file</li><li>Who created or modified a file</li><li>File size</li><li>In business, it is important to establish your file management system early</li></ul><h3 id="_6-7-system-software-utilities" tabindex="-1">6.7: System Software Utilities <a class="header-anchor" href="#_6-7-system-software-utilities" aria-label="Permalink to &quot;6.7: System Software Utilities&quot;">​</a></h3><ul><li>Tracks: concentric circular bands</li><li>Sectors: Tracks that are separated into wedges</li><li>Defragmentation: Organizes + and – charges to the innermost tracks of the disk to reduce the amount of time it takes the R/W arm to find the info</li></ul><h3 id="_6-8-antivirus-utilities" tabindex="-1">6.8: Antivirus Utilities <a class="header-anchor" href="#_6-8-antivirus-utilities" aria-label="Permalink to &quot;6.8: Antivirus Utilities&quot;">​</a></h3><p>Antivirus Utilities: System software that identifies known viruses to block them from entering and infecting a computer system</p><ul><li>Utilizes a database of known viruses to cross reference against each incoming file</li><li>Subscription service: Norton Antivirus and McAfee VirusScan</li></ul><h3 id="_6-9-system-updates" tabindex="-1">6.9: System Updates <a class="header-anchor" href="#_6-9-system-updates" aria-label="Permalink to &quot;6.9: System Updates&quot;">​</a></h3><ul><li>To compensate for OS inadequacies, OS offer a system software utility called system update</li><li>Patches sent from Microsoft (or Mac) via the Internet to a user’s computer</li></ul>',24))])}const k=r(c,[["render",d]]);export{b as __pageData,k as default};