SSC CGL Exam  >  SSC CGL Notes  >  SSC CGL Tier 2 - Study Material, Online Tests, Previous Year  >  Chapter Notes - Computerised Accounting System

Computerised Accounting System Chapter Notes | SSC CGL Tier 2 - Study Material, Online Tests, Previous Year PDF Download


Learning Objective: After studing this Lesson the students will be able to:

•  Classify the elements/Components of Computer system.

•  Understand the characteristics/utilities of a computer system.

•  Acquire knowledge about management information system & Accounting Information System.

•  Apply Accounting Software in report generation.

•  Develop the skill of different styles of computerized accounting.


Meaning of Computers: A computer is an electronic device, which is capable of performing a variety of operations as directed by a set of instructions. This set of instructions is called a computer programme.

Elements of Computer System

1.     Hardware

2.     Software

3.     People

4.     Procedure

5.     Data

6.     Connectivity


1. Hardware : Hardware of computers consists of physical components such as keyboard, mouse, monitor, processor etc. These are electronic and electro mechanical components.

2. Software : In order to solve a particular problem with the help of computers, a sequence of instructions written in proper language will have to be feed into the computers. Aset of such instructions is called a 'Program' and the set of programs is called 'Software'.
For example, a computer by feeding a particular software can be used to prepare pay-roll, whereas by feeding a second software it can be used to prepare accounts, by feeding a third software it can be used for inventory control and so on.

Question for Chapter Notes - Computerised Accounting System
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What are the components of a computer system?
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3. People : People are basically those individuals who use hardware and software to develop, maintain and use the information system residing in the computer memory. They constitute the most important part of the computer System.
The main categories of people involved with the computer system are: (a) System Analysts (b) Operators (c) Programmers

4. Procedures : Procedure means a series of operations in a certain order or manner to achieve desired results. These are of three types:
(a) Software-Oriented : Provides a set of instructions required for using the software of a computer system.
(b) Hardware-Oriented : Provides details about the components and their methods of operations.
(c) Internal Procedure : Helps to ensure smooth flow of data to computers sequencing the operations of each subsystem of over all computer system.

5. Data : These are facts (may consist of numbers, text etc.) gathered and entered into a computer system. The computers system in turn stores, retrieves, classifies, organizes and synthesis the data to produce information when desired.
1. Bio-data of various applicants when the computer is used for recruitment of staff.
2. Marks obtained by various students in various subjects when the computer is used to prepare results,

6. Connectivity : the manner in which a particular computer system is connected to others (say through telephone lines, microwave transmission satellite link etc.) is called element of connectivity.

Capabilities or Advantage of Computer system

A Computer system possesses the following advantages in comparison of human beings.

1. High Speed : computers are known for their high speed of operations and requires less time in comparison to human beings in performing a task. Most of modem computer perform millions of operations in one second.

2. Accuracy : Computers are extremely accurate. Their operations are error free and as such the information obtained from it is highly reliable. But sometimes errors occur due to bad programming or inaccurate data feeding. In computer terminology. It is called Garbage in garbage out (GIGO).

3. Reliability : Its reliability refers to the ability with which computer remains functional to serve the user. Unlike human beings these are immune to tiredness, boredom or fatigue, and can perform jobs of repetitive nature any number of times.

4. Versatility : It refers to the ability of computers to perform a variety of tasks. It can switch over from one programme to another. The same computer can be used for accounting work, stock control, sales analysis and even for playing games by the use of different software.

5. Storage : Memory of Storage capacity of a computer is so large that it can store any volume of information or data. Such data can be stored in it on magnetic discs, floppy discs, punched cards or microfilms etc. The Information stored can be recalled at any time and also correction can be done within no time.

Limitations : Inspite of so many qualities, computers suffer from the following limitations.

(1) Lack of Common Sense : Since computers work according to their stored programme, they don't have common sense.

(2) Zero I.Q. : Computers are dumb devices with zero intelligence Quotient (IQ). They can't visualize and think what exactly to do under a particulars situation unless they are programmed to tackle that situation.

(3) Lack of Feeling : Computers lack feelings unlike human beings because they are machines. No computer possesses the equivalent of a human heart and soul.

(4) Lack of Decision-making : Decision making is a complex process involving information, knowledge, intelligence, wisdom & ability to judge, Computers cannot make decision on their own.

Question for Chapter Notes - Computerised Accounting System
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What is the main function of the Central Processing Unit (CPU) in a computer system?
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Some more limitations related to computerized System in Accounting 

(1) High Cost of Training : Besides the high cost of computers system, huge money is required to get the trained specialized staff to ensure efficient and effective use of computerized systems.

(2) Danger of System Failure : The danger of system crashing due to hardware failure and the subsequent loss of work is a serious limitation of this system.

(4) Staff Opposition : Whenever the Accounting System is computerized, there is a significant degree of resistance from the existing staff because of the fear that they shall be less important to the organisation.

(5) Disruption : The accounting process suffer a significant loss of work and time when an organisation switches over to this system. This is due to the changes in the working environment that requires accounting staff to adapt to new system and procedures.

The functional components consists of input Unit, Central processing Unit (CPU) and the output unit described as follows

(1) Input Unit : It is for entering the data into the computer system. Keyboard and Mouse are the most commonly used input devices. Other such devices are magnetic tapes, disc, light pen, optical scanner, smart card reader etc. Besides there are some devices which respond to voice and physical touch.

(2) Central Processing Unit (CPU) : It is the main part of computer hardware that actually processes the data according to the instructions it receives. It has three units:

Computerised Accounting System Chapter Notes | SSC CGL Tier 2 - Study Material, Online Tests, Previous Year

(a) Arithmetic and Logic Unit (ALU) : Responsible for performing all the arithmetic calculations such as addition, subtraction etc. and logical operations involving comparison among variables.

(b) Memory Unit : For storing the data.

(c) Control Unit: Responsible for controlling and co-ordinating the activities of all other units of the computer system.

(3) Output Unit : After processing the data, the information produced is required in human readable and understandable form. Output devices perform this function. The Commonly used devices are monitor, printer, graphic plotter (external) and magnetic stage devices (internal). A new device which is capable of producing verbal output that sound in human speech is also developed.

Operating Software :Operating Software is a set of programmes that is used by computers for various purposes. Operating Software is essential part of computer system. In absence of operating software computer can not operate. There are many operating software like Windows, Excel etc.

Utility Software: Utility Software is a set of computer programmes used to perform supporting operations in a computer. Utility Software are highly specialized and designed to perform only a single task or a small range of tasks.

Application Software : Application Software is a set of programmes which is designed and developed for performing certain task like accounting, work processing etc. for example Tally is the application software.

Accounting Information System (AIS) :Accounting Information System is a system of collecting, processing, summarizing and reporting information about a business organisation in monetary terms. It maintains a detailed financial record of the business operation and transfer the data into valuable information.
So, Accounting Information System (AIS) is a sub-system of MIS (Management Information System). AIS is a structure that allow its user to collect and use business data.

Management Information System (MIS): It is a planned System of collecting , processing, storing & disseminating the data in the form of Information to perform the task of decision making and management of an organization.

Computerised Accounting System Chapter Notes | SSC CGL Tier 2 - Study Material, Online Tests, Previous Year

Application of Computers in Accounting 

1. Recording of transaction : Record the all business transaction properly and timely.

2. Preparation of ledger account : Computers prepares all ledger account on the basis of given transactions, like cash, debtors, sales a/c etc.

3 Preparation of Trial Balance : It prepares the Trial Balance according to ledger accounts.

4. Preparation of Final A/c : It has utility to prepare Trading A/c, P&LA/cand Balance Sheet.

Features of Computrised Accounting System 

Computerised accounting system is based on the concept of database. This system offers the following features:
1) Online input and storage of accounting data.
2) Printout of purchases and sales invoices.
3) Every account and transaction is assigned a unique code.
4) Grouping of accounts is done from the beginning.
5) Instant reports for management, for example. Stock Statement, Trial Balance, Income Statement, Balance Sheet, Payroll Reports, Tax Reports etc.

Question for Chapter Notes - Computerised Accounting System
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Automation of Accounting Process

When accounting functions are done by computerized accounting software that is known as automation of accounting process. Under the automation of accounting process human activity is less than that of accounting software which is more used.

So, accounting functions like posting into leger, Balancing. Trial Balance and Final Accounts are prepared by computer.

Stages of Automation

There are different stages of automation as:

(I) Planning : Under this stage the assessment of size, and business transactions is done for which automation has to be made.

(ii)  Selection of Accounting Software : As there are many accounting software available in the market. So, in this stage appropriate accounting software is to be selected according to company's need.

(iii) Selection of Accounting Hardware : Under this stage of automation the computer hardware is selected. This hardware should be such which can fulfill the accounting requirements and support the accounting software.

(iv) Chart of Accounts: Under this stage list of required heads of accounts is prepared.

(v)  Grouping of Accounts : There are various transactions for Expenses. Income, Assets, Liabilities. All these transactions can not be shown directly. So, these transactions are grouped as salary, wages, discount and commission etc.

(vi)     Generation of Reports :This is final stage of automation under this final reports are prepared in the form of Cash Book. Journal, Ledger, Trial Balance P&L A/c and Balance Sheet etc.


Comparison of Manual and Computerised Accounting System

Computerised Accounting System Chapter Notes | SSC CGL Tier 2 - Study Material, Online Tests, Previous Year

Sourcing of Accounting Software

India is one of the software making countries So, accounting software are early available in Indian Market. But it is more important to know what is your need of accounting software.
Generally, Tally accounting software is used in India which is easily available in the market.

Accounting Software 

(1) Ready-made Software : Ready-made Software are the software that are developed not for any specific user but for the users in general. Some of the Ready-made software available are Tally, Ex, Busy. Such software are economical and ready to use. Such software do not fulfill the requirement of every user.

(2) Customized Software : Customized Software means modifying the Ready-made software to suit the specific requirements of the user. Ready-made software are modified according to the need of the business. Cost of installation, maintenance and training is relatively higher than that of Ready-made software. These packages are used by those medium or large business enterprises in which financial transactions are some what peculiar in nature.

(3) Tailor-made Software : The software which are developed to meet the requirements of the user on the basis of discussion between the user and developers. Such software help in maintaining effective management information system. The cost of these software is very high and specific training is required for using these packages.

Generic Consideration Before Sourcing Accounting Software 

(I) Flexibility : A computer software system must be flexible in respect of data handling and report preparing.

(ii) Maintenance cost: The accounting software must be such which has less Maintenance cost.

(iii) Size of Organisation : The accounting software must be according to need and size of organisation.

(iv) Easy to adaptation: The accounting software must be such which is easily applicable in any organization.

(IV) Secrecy of data : The accounting software must be such which provide the secrecy of business data, from others.

Preparation of Accounts Groups 

Groups of accounts means classifying the accounting transactions into different heads like assets Group, Liabilities Group, Income Group and Expenses group. By these grouping of accounts the final Accounts are meaningful for its users.

Generation of Accounting Reports 

After collecting business data, it is converted into meaningful information. Such summarized and converted information is known as a report.
The report is more effective if it is based on accurate and timely data.
A report must be relevant to users and contain all relevant information like Debtor's Report, Creditor's Report, Trial Balance and financial Statement Report and others.


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FAQs on Computerised Accounting System Chapter Notes - SSC CGL Tier 2 - Study Material, Online Tests, Previous Year

1. What is a Computerised Accounting System?
Ans. A Computerised Accounting System is a software program that helps businesses automate their accounting and financial processes. It typically includes features such as general ledger, accounts payable, accounts receivable, payroll, and other financial functions.
2. What are the benefits of using a Computerised Accounting System?
Ans. Some of the benefits of using a Computerised Accounting System include improved accuracy, time savings, increased efficiency, easier data entry, improved reporting capabilities, and better financial decision-making.
3. How do I choose the right Computerised Accounting System for my business?
Ans. When choosing a Computerised Accounting System, consider factors such as the size of your business, your budget, the software's features, ease of use, scalability, and customer support. You may also want to read reviews and compare different software options before making a decision.
4. Can I integrate a Computerised Accounting System with other software applications?
Ans. Yes, many Computerised Accounting Systems can be integrated with other software applications, such as customer relationship management (CRM) software, e-commerce platforms, and inventory management systems. This can help streamline your business processes and improve efficiency.
5. How do I ensure the security of my financial data when using a Computerised Accounting System?
Ans. To ensure the security of your financial data, it is important to choose a reputable software provider with good security measures in place. You should also use strong passwords, limit access to sensitive financial data, and regularly back up your data to prevent loss in case of a security breach or system failure.
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