ComLab Inventory

Topics: Requirements analysis, Windows Script Host, Windows Script File Pages: 12 (2138 words) Published: March 12, 2014
Chapter II - Review of Related Literature
Chapter III – System Analysis
System Feasibility
System Requirement & Specification
System Requirements Checklist

Chapter II Review of Related Literature

2.1 Introduction

This chapter will review all related work and technology used in developing the “Computer Laboratory Inventory System” This chapter will review on the technologies that relate to the needed research and the current or related projects that have been studied.

2.2 Definition of Terms/Concepts

2.2.1 Barcode Inventory System
The term “barcode inventory system” is generic and encompasses avariety of different applications and industries. The term is commonly used in warehousing, logistics, and distribution; it can also be used in retail point-of-sale, manufacturing, and various service sector implementations. In each case, at its core, a “barcode inventory system” includes ameasurable list of items or quantities and utilizes barcode technology in some fashion. Barcode technology is a means of interfacing humans to data processing equipment; therefore, barcode technology cannot be utilized independent of data processing equipment. Commonly, the data processing equipmentstores the results of a “barcode inventory system” in electronic form.

2.2.2 Automatic Data Gathering
This term refer to the concept of data collection that run on script that will be developed. It is important that the system will automatic, by detection of the computer hardware and software component and then store the data into the database at the same time. The script will be based on JavaScript because it supports the Windows Management Instrumentation (WMI) and Windows Script Host (WSH). Both two components are required to enable the detection of the computer hardware and software function in this system.

2.2.3 Windows Script Host (WSH)
The Microsoft Windows Script Host (originally called Windows ScriptingHost) is distributed and installed by default on Windows 98 and laterversions of Microsoft Windows. It is also installed if Internet Explorer 5 (ora later version) is installed. It provides scripting capabilities comparable to batch files, but with a greater range of supported features. Beginning with Windows 2000, the Windows Script Host became available for use with user login scripts. It is language-independent in the sense that it can make use of different Active Scripting language engines. By default it interprets and runs plaintext JScript (.JS and .JSE files) and VBScript (.VBS and .VBE files). Users can install different scripting engines to enable them to script in other languages, for instance Perl. The language independent filename extension WSF can also be used. The advantage of the Windows Script File (.WSF) is that it allows the user to use a combination of scripting languages within a single file. The researcher has taken the advantage of the scripting ability by developing a JavaScript file to be used as Automatic Data Gathering engine for Computer Inventory System.

2.3 Different Types of Inventory System

There are a number of different inventory systems starting with the most ancient system to the most advanced system.

2.3.1 Physical Counts (Periodic System)
The most basic method of inventory tracking is physical counts. A lot of firms relied on physical count to try and figure approximately where they were at.

2.3.2 Two-Bin System
The two-bin system is only slightly more sophisticated than the physical count system. Using the marvels of modern technology, this system uses two bins of materials. When one bin is empty, it's time to re-order.

2.3.3 Perpetual Tracking
This method of counting is demand driven. Instead of counting how many items are in inventory, we count how many leave inventory. The demand can be tracked by batches of inventory usage, such as demand...
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