Computer Application In Business Computer Science Essay

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Operating system is very important software which runs on a computer. It controls everything of a computer, like it manage its memory, it also controls all the process which done on a computer. It also controls all of its software and hardware. It makes the computer easy to understand for humans. With the help of operating system human can communicate with the computer without knowing its language. Computer is a useless machine without an operating system.


Operating system is a program which allows the computer to run the other programs. It also controls the performance of hardware and software of a computer.


Operating system is the backbone of a computer. Without an operating system computer nothing can do. Operating system recognizes the input and processed it with the help of instruction of relating software. It manages the computer memory and the files on hard disk. If there is multiuser so multiprocessing, multitasking, multithreading, and real-time operating system are available for this purpose. Infect there are some operating system available which allows to use thousands of peoples of a computer.

We can understand the working of an operating system with the diagram.

What is an Operating System

Working of operating system

Work of an operating system

When we press the button to on the computer the operating system must be load on it and it takes some time to start. It's done some processes which are as under.

It runs tests to make sure everything is working perfectly.

It checks for new hardware which attach to computer.

It then starts up the operating system for use.

When it gets starts the operating system checks and control all the hardware and software and programs which may be use on computer and manage it. With this we can easily access the central processing unit (cpu) and memory. Without this a program unable to use the computer hardware and cannot done any task.

The operating system's tasks, in the most general sense, fall into six categories:

Processor management

Memory management

Device management

Storage management

Application interface

User interface

Stages of working of operating system

Classification of operating system




Multi user operating system

Allows two or more than two persons to run and use a same program



Windows 2000

Multi processing operating system

Allows to run a program on more than one CPU.



Windows 2000

Multitasking operating system

Allows more than one program to run concurrently


Windows 2000

Multithreading operating system

Allows different parts of a single program to run concurrently.



Windows 2000

Real time operating system

Responds to input instantly


Types of operating system

Modern operating systems are use  Graphical User Interface, or GUI (pronounced "gooey"). It adjusts the operating system graphically and text and icons which the operating system shows us. The names of some operating system are as fallows.


Mac OS X





























Most common operating systems are

The Windows, OS X, and Linux logos

The Windows, OS X, and Linux logos

How many operating systems are available in the Pakistani market?

Answer: There are some operating system which available in Pakistani market.

All versions of Windows operating system

All versions of Mac x operating system

All versions of Linux operating system

All versions of Solaris operating system

All versions of Unix operating system


Newly introduce android operating system for computers

What is an android operating system? Give some detail.


This operating system mostly use in the touch screen mobile devices and also in tablet PCs. This is the one of the most popular operating system. Android Inc was founded in Palo Alto of California, U.S. by Andy Rubin, Rich miner, Nick sears and Chris White in 2003. Later Android Inc. was acquired by Google in 2005. After original release of this operating system there have been number of updates in the original version of Android operating system.

Android Logo

Logo of Android

Android operating system is a Linux-based operating system for mobile phones. Android was released under the Apache v2 open source license.

Android was developed by Google and the Open Handset Alliance (OHA)

Android gives its operating system for the most widely deployed cellular standards, GSM/HSDPA and CDMA/EV-DO.

Android will also support:



3G communication protocols, like EV-DO and HSDPA


SMS messaging


video/still digital cameras





accelerated 3D graphics

Android is a mobile phone operating system developed by Google and used in many smartphone manufacturers. The operating system is the software which allows your device to perform all the tasks that it's capable and does the important job of use the resources such as processing power to done some task, and it runs everything smoothly. An operating system also determines how looks the user interface, so all phones using Android. It looks very good when it comes to menus and navigation.

There are some Android latest versions.


Release Date


May 2010


December 2010

Ice Cream Sandwich

October 2011

Task 2:

Provide comprehensive information about two software's, which are being used in the field of Accounting and Finance.


The two of the most wanted software's which use in the field of Accounting and Finance is as under.




SAP Business one is an integrated business management solution designed for growing small businesses. It is complete, integrated, extensible and truly affordable software intended to meet your specific business needs and processes.


Accounts Payable (A/P)

Accounts Receivable (A/R)


Audit Trail


Customer Relationship Management (CRM)

Double-Entry Accounting



Accounting and Financials:

It manage all of your financial and accounting processes

Sales and Customers: 

Grow customer profitability with effective sales and opportunity management

Purchasing and Operations:

Automate your entire procurement process

Inventory and Distribution:

Manage inventory and production orders across multiple warehouses

Reporting and Administration:

Act on instant and complete information with comprehensive, real-time reports and dashboards

Increase Revenue:

Fast and easy access to real-time information from anywhere in the application helps you identify new sales opportunities, bring new products to market quickly, and provide business-building levels of customer support and service.

Reduce Costs

Say goodbye to costly upgrades and repetitive customizations associated with efforts to maintain software compatibility.

Run on One Solution

SAP Business one includes the following integral components: accounting, customer relationship management, sales, manufacturing, purchasing, banking, and inventory. Fully integrated solutions from SAP's independent software vendor partners complement existing SAP Business One functionality and further address your specific business needs.

Improve Customer Relationships

Customer relationship management arms your team with relevant company-wide data for stronger sales and support.

Future-Proof Your IT Investment

Why put up with solutions you'll outgrow? Eradicate slow software performance, outdated information, limits on data storage, and restrictions on the number of simultaneous users and locations. Gain Clearer Insight Instantly For unprecedented day-to-day control, use dashboards to deliver up-to-the-minute snapshots of key performance indicators.

Be Alert to Critical Information

SAP Business One features powerful alert functionality that is easy to establish.

Improve Efficiency

One centralized data repository dramatically boosts efficiency and provides the right information to the right people to eliminate redundant data entry.

Access Local Support

A worldwide network of qualified business partners provides unsurpassed local support.

Get Up and Running Quickly

Take advantage of preconfigured settings that support best business practices and enable easy implementation so you can get up and running quickly.

Support Multicurrency Transactions

Conduct business transactions and report in multiple currencies. Speak the Language of Your Customer With the support of more than 25 languages and more than 40 countries, you can communicate with customers and vendors worldwide.

SAP Business One Screenshot

Sap software working procedure

Process of using

Project Planning

Developing a Business Blueprint

Project Realization with training and testing

Final preparation

Go live

Sap software is using in Unilever Pakistan LTD.


SIMMS Inventory Software can provide you with the advanced functionality you require enabling you to regain control of your profits. SIMMS Software has a proven track record of helping companies of all industries manage their business more efficiently for over 10 years. We provide complete business software systems for a diverse array of businesses.

SIMMS inventory software for small to medium business

Features and benefits

Real-time inventory tracking 

even between multiple stores/locations

Serial Number Tracking

SIMMS' Serial Number Tracking system manages an unlimited amount of serial numbers from the time they are received into inventory until the time they are issued. This information is permanently recorded in the system, allowing inventory control personnel access to a wealth of historical and validation information. The information maintained by the Serial Number Tracking system is extremely helpful when returning a defective item to your vendor or when verifying a returned item from your customer.

Barcode Printing

When it comes to producing barcodes, the SIMMS Barcode Module and SIMMS 2D Barcode Modules are the smart solution-increasing efficiency while lowering costs. We also offer complete hardware packages and customized solutions. We understand every industry has unique demands and SIMMS offers the most sophisticated barcode, label-making module in the industry.

Expiration Date Tracking

Assign expiration dates to items during or immediately after receiving items and more.

Manufacturer Lot Tracking 

Easily and effortlessly assign items MFG lot information at the receipt of goods or kitting stage then select the lots when required for applicable transactions

Apparel Item Matrix (color/size/style)

Our optional SIMMS Apparel Matrix module - Effectively manage apparel and footwear styles using one item number with multiple color and size labels With the Apparel Matrix Inventory feature

Item Images

With SIMMS Inventory Software you can assign as many item images as you wish to each inventory item, then select a default image for display in the Item Manager for easy reference.

Multi-level Categories

Adding as many categories as you require has never been easier, and now you can create sub-sub-sub-categories just as easily, providing additional inventory item sorting capabilities within SIMMS.

Unit of Measurement Configuration

Define unique unit of measurement relationships per item. For example, you can configure Widget 123 to define a box as containing 12 eaches in addition to configure Widget ABC to define a box as containing 24 eaches.

Shipment Method Configuration

With SIMMS, shipment methods can be configured for contact, account number, phone numbers and address information.

Volume Pricing and Discounts Configuration

SIMMS Inventory Management Software makes the difficult task of percentage price discounts based on volume purchased as simple as 1-2-3.

Price Levels

With SIMMS, you can assign up to 12 unique price levels to each item then of course, assign a price level to your customer with ease.

Tax Codes and Schedules

If you're selling into different States or Counties, you may have to collect the taxes and pass them onto the correct authorities. SIMMS will let you setup a series of tax codes and schedules for each area and then let you attach a customer or invoice to that area so that you can charge the correct sales tax rate.

Item Code Aliases

With SIMMS, you now have the capability of assigning your items as many aliases as you require, and relate your aliases to specific vendors and customers.

Multi-tier Stock Areas

Location codes can be made up of up to a 3-character warehouse code and up to a 10-character bin code and can be used in many different ways.

Stock Transfer

With SIMMS, you have the freedom of transfering items from one location to another with an easy-to-use transaction interface.

Define Automatic Reorder Points

The Re-Order Point functionality found in SIMMS inventory software provides you with a listing of products and quantities that are needed for stock. The recommendation is based on Re-Order Points that are setup in each Inventory Record.

Define Sales and Purchasing Currency and Price

Our optional SIMMS Multi-Currency module delivers powerful and comprehensive Multi currency accounting functions. Sophisticated currency management and seamless transactions in any number of currencies provides a global competitive edge.

Powerful FIFO, LIFO, Average, Weighted Average and Standard Inventory Valuation Features

Easily select the Inventory Valuation/Sale Price Method you wish to utilize, the options available are Standard, FIFO, LIFO, Average and Weighted Average Costing

• Automated SKU Management and Generation - The SKU Configurator can be used to determine the composition of the SKU number. Selection of some characters from the item's category, subcategory, vendor's part number, manufacturer or vendor will add them to the SKU number's format. Users can instead choose that an auto-generated number to be part of the SKU.

Customer Tracking

Contact Information and history is a high priority with SIMMS Inventory Software. Keep track of a contact's name, address and phone number, e-mail address, web addresses, tax codes, price schedules, contact names, comments, locations, default currency, sales and purchase history, and other bits of important information in the contact file.

Customer Transaction drill down

Review and drill down to the details of your customer transactions right from your contact detail window this includes invoices, sales orders and quotes associated with the selected customer, you can also process payments for your customer invoices right from your customer detail window

Vendor Transaction drill down

Review and drill down to the details of your Vendor transactions right from your contact detail window this includes purchase orders and receipts of goods associated with the selected vendor, you can also process payments for your receipts of goods right from your vendor detail window

Price Levels

With SIMMS, you can assign up to 12 unique price levels to each item then of course, assign a price level to your customer with ease.

Accounting Features 


Our optional SIMMS Multi-Currency module delivers powerful and comprehensive Multi currency accounting functions. Sophisticated currency management and seamless transactions in any number of currencies provides a global competitive edge.

General Ledger

The SIMMS General Ledger module has many powerful features to help you efficiently manage your general ledger, including flexible accounting periods, the ability to maintain non-financial information, comprehensive search criteria, allocation entries, and the ability to view information in the form of bar charts or graphs.

Accounts Receivable

The SIMMS Accounts Receivable Module tracks receivables, plans cash flow, and provides extensive information and reporting features to give you vital business insights to plan for the future.

Accounts Payable

Our SIMMS Accounts Payable module provides a comprehensive solution for managing expenditures. Beyond recording transactions and obligations to vendors and creditors, Accounts Payable offers flexible check writing capabilities and takes advantage of vendor discounts offered for invoices paid by a discount due date. The informative financial reports include payables aging and future cash requirements information required for valuable business insights and decision-making.

Sales Commissions

Calculating sales commissions due has never been easier, SIMMS can auto calculated commissions based on either the AR receivable or transactional methods. You will always know what sales commissions are due to your agents and for what.


With SIMMS you can edit and add credit card and bank accounts, entering deposits, transfering funds, entering cash, check or credit card transactions in addition to reconciling cash, checking and even credit cards with ease.

Financial Reporting

SIMMS General Ledger offers virtually unlimited financial reporting capabilities. These financial statements, supporting schedules and associated reports are critical for timely decision-making. The General Ledger module simplifies divisional/ departmental reporting and income statement printing within a standard, predefined set of financial statements and report formats.

Flexible Chart of Account Structure

Create an account structure to fit your business needs with up to 30 characters and 10 segments. Or choose from over a dozen industry-specific charts of accounts.


Maintain and enforce budgets with ease, transfer budget amounts from one account to another.

Manufacturing feature

Servicing Software

Job Costing Software a complete servicing management, job costing, revenue recognition and control system

Work Order

The SIMMS Work Order module provides you with complete control of the manufacturing process and the ability to see up-to-the-minute work in process information. This module is particularly well-suited for companies engaged in assemble-to-order, engineer-to-order or make-to-order processing