Meaning and Need for a Computerised Accounting System

Accounting, at its core, is the process of recording, classifying, summarising and interpreting the financial transactions of a business so that its owners, managers and other stakeholders can judge how the business is doing. For a long time this entire process was carried out by hand — transactions were written into a journal, posted into ledger accounts, balanced, and finally summarised into a trial balance, a Profit and Loss Account and a Balance Sheet, all using pen, paper and manual calculation.

A Computerised Accounting System (CAS) performs exactly the same job, but with a computer and a dedicated accounting software package standing in for the accountant's ledger books and calculator. Once a transaction (a sale, a purchase, a receipt, a payment) is entered into the software through a voucher, the software takes over the mechanical work — posting the entry to every account it affects, keeping running balances, and generating reports such as the trial balance, ledger accounts, cash book and financial statements instantly, on demand.

It is important to be clear about what changes and what does not. The underlying principles of accounting — the double-entry rule that every debit has a corresponding credit, the classification of accounts into personal, real and nominal, and the accounting equation itself — remain exactly the same in a computerised environment. What changes is only the mode of recording and processing: a human being no longer has to post each entry by hand or add up columns of figures. This is a distinction Andhra Pradesh Intermediate second-year Commerce students preparing with BIEAP accountancy questions and answers on this chapter should state explicitly, because examiners often test whether a student mistakenly thinks CAS is a different accounting method (it is not) rather than a different way of carrying out the same accounting (which it is).

Why organisations have moved to CAS. Several practical pressures pushed businesses — small shops as well as large companies — towards computerised accounting:

• Growing volume of transactions. As a business grows, the number of vouchers to be recorded and posted each day grows with it; a point is soon reached where manual posting cannot keep pace.
• Need for speed and up-to-date information. Owners and managers need to know their cash position, outstanding debtors and stock value today, not at the end of the month after the books are balanced by hand.
• Accuracy. A computer never makes an arithmetic slip once a transaction is entered correctly, eliminating an entire category of casting and posting errors that trouble manual books.
• Statutory and compliance needs. Filing returns for Goods and Services Tax and other statutory obligations increasingly expects records to already be in a structured, digital form that can be exported directly, rather than re-keyed from paper registers.
• Ease of storage and retrieval. Years of accounting records can be held on a small amount of digital storage, and any past voucher or report can be pulled up in seconds, compared with searching through bound ledger books.

CAS is therefore best understood not as a replacement for accounting principles, but as a modern replacement for the tools and process through which those principles are applied — a framing worth keeping in mind across every Andhra Pradesh Intermediate commerce and accountancy chapter that touches business technology.