Revision Notes for CBSE Class 11 Accountancy Chapter 13 - Free PDF Download
FAQs on Computerised Accounting System Class 11 Notes CBSE Accountancy Chapter 13 (Free PDF Download)
1. What are the core concepts covered in the Class 11 Accountancy notes for Chapter 13, Computerised Accounting System?
These revision notes provide a quick summary of key topics in Chapter 13, including the concept and components of a Computerised Accounting System (CAS), a comparison with manual accounting, its main advantages and limitations, and the different types of accounting software available as per the 2025-26 CBSE syllabus.
2. What is a Computerised Accounting System (CAS) as per the CBSE syllabus?
A Computerised Accounting System (CAS) is an accounting information system that processes a company's financial transactions and events based on Generally Accepted Accounting Principles (GAAP) to produce reports as per user requirements. It uses a computer and specialised software to store, process, and retrieve financial data.
3. How does a computerised accounting system primarily differ from a manual one?
The primary differences lie in how data is processed and stored.
- Data Entry: In a manual system, transactions are recorded multiple times in journals, ledgers, and subsidiary books. In a CAS, data is entered once and the system automatically posts it to all relevant accounts.
- Speed and Accuracy: A CAS is significantly faster and less prone to calculation errors compared to manual accounting.
- Reporting: Generating reports like trial balances and financial statements is an automated, real-time process in a CAS, whereas it is a time-consuming manual task in the other.
4. What are the key advantages of using a computerised accounting system that I should focus on for revision?
For revision, focus on these key advantages:
- Speed: High-speed processing of millions of transactions.
- Accuracy: Eliminates clerical and calculation errors.
- Reliability: Performs repetitive tasks without fatigue or boredom.
- Up-to-Date Information: Provides real-time information for decision-making.
- Scalability: Easily handles a growing volume of business transactions.
- Legibility: Reports are standardised and easy to read.
5. What are the major limitations or disadvantages of implementing a computerised accounting system?
The main limitations include:
- High Costs: Significant initial costs for hardware, software, and staff training.
- Staff Opposition: Existing staff may resist the change due to fear of redundancy or the need to learn new skills.
- System Failure: Risk of data loss due to hardware failure, viruses, or system crashes.
- Security Risks: Vulnerable to hacking, data theft, and unauthorised access.
- Health Issues: Prolonged computer use can lead to health problems like eyestrain and back pain.
6. What are the main categories of accounting software discussed in this chapter?
The chapter discusses three main categories of accounting software:
- Ready-to-use Software: Suitable for small businesses with low transaction volumes. It is cheaper and easy to use but offers limited customisation.
- Customised Software: This is altered to meet the specific needs of a business. It is suitable for medium to large businesses.
- Tailored Software: This is developed from scratch for a specific organisation, often a large one with unique processes. It offers high secrecy and functionality but is the most expensive.
7. How can these revision notes for Chapter 13 help me prepare for my exams effectively?
These notes are designed for quick and effective revision. They help you recap the core theoretical concepts of the chapter without getting lost in lengthy text. You can use them to:
- Quickly review definitions and key terms before an exam.
- Understand the main points of comparison between manual and computerised systems.
- Memorise the key advantages and limitations, which are common exam questions.
- Structure your answers by focusing on the highlighted points.
8. Beyond speed and accuracy, why is scalability considered a critical advantage of a CAS for a growing business?
While speed and accuracy improve daily operations, scalability is a strategic advantage for a growing business. In a manual system, as transactions increase, you need more staff, more physical storage (ledgers, files), and the accounting process becomes much slower and more complex. A CAS handles a massive increase in data with minimal impact on performance or cost, allowing the business to grow without its accounting system becoming a bottleneck.
9. If a CAS is designed for accuracy, why are system failures and security breaches still significant risks to consider?
This is a crucial point of understanding. A CAS ensures calculation accuracy but is vulnerable to other types of failures.
- System Failures: These are related to the technology itself, such as a hard disk crash, power outage, or software bug. The system cannot function without its hardware and software, leading to a complete halt in work and potential data loss if backups are not in place.
- Security Breaches: These are caused by human actions, either malicious (hacking, fraud) or accidental (leaking a password). The software itself cannot judge intent; it only follows commands. If an unauthorised person gains access, they can manipulate the accurate but vulnerable data.
10. What key factors should a business consider before choosing an accounting software package?
Before sourcing accounting software, a business should assess several factors as per the 2025-26 syllabus:
- Flexibility: Can the software adapt to the business's specific reporting and data entry needs?
- Cost of Installation & Maintenance: Consider the total cost of ownership, not just the purchase price.
- Size of Organisation: The software must match the scale and complexity of business operations.
- Ease of Adaptation & Training: How much training will the staff need, and how user-friendly is the software?
- Level of Secrecy: Does the software have robust security features to prevent unauthorised access?

















