There are many types of accounting information; as a result, they vary greatly. A number of factors influence these information systems such as:
ü Type of business
ü Size of the
business
ü The volume of data
ü The type of data
management needs
ü Other factors.
Most
businesses are using different types of information systems.
1- Electronic Data Processing (EDP) Systems
Most businesses, except for the
smallest, use computerized systems, also called electronic data processing
(EDP) systems.
These
systems handle every step in the accounting process from recording the
financial transaction to preparing the financial statements. Businesses are
constantly improving their systems technology in order to remain competitive
and to stay in compliance with the Sarbanes-Oxley
Act of 2002. Even the smallest businesses may choose to use systems like QuickBooks, Pech Tree and Ms. Office.
2- Manual systems
Manual accounting information systems
are used mostly by very small businesses and home-based businesses.
If a system is entirely manual, it would require the following: source documents, general ledger, general journal, and special journals
or subsidiary journals you might need.
3-
Legacy systems
Legacy systems are often in existing
business firms and were used before information technology got as sophisticated
as it is today. Even though legacy systems may appear to be old-fashioned, they
have some definite advantages to the firm. They contain valuable historical
data about the firm. The firm personnel tend to know how to use the system and
understand it. A legacy system has usually been customized to the
specific needs of an individual firm. You won't find this kind of customization
in generic accounting software packages.
Unfortunately, legacy system also have
significant disadvantages. Often, they have no documentation. It is usually
hard to find replacement parts because hardware and software may become
obsolete. Even the computer language that legacy systems use is usually an
older language. Most legacy systems have been built from scratch.
a- Replacement of Legacy Systems
You can completely replace your legacy
system with a new, up-to-date system. That is quite an expensive solution. You
can also update your legacy system. You can use a procedure called screen scraping, which is a technique
that takes the data displayed on the computer screen and translates it so a
newer application can read it. You can also set up an enterprise application integration system. This type of system networks
the different applications in your legacy system, such as inventory, payroll,
and others.
If you are a SMB, unless you are the
smallest, hone-based variety, you will want your accounting information system
to be up-to-date in order to keep you competitive within your industry. There
are many options to choose from.
Transactions
and Processes basis of Business
In order to understand how these accounting
information systems work, you have to understand the basic accounting
terms "business
transactions" and "business processes." Most importantly, you
need to understand how business transactions and processes come together to
generate financial reports. With regard to accounting information systems,
business transactions can be divided into several types of business processes:
Ø
Revenue and return processes, systems,
and controls
The
business transactions that fall under these business processes are large
volumes of daily sales, returns, and cash
inflow transactions.
Ø
Expenditure and return processes,
systems, and controls
The business transactions that fall
under these business processes are large volumes of expenditure, returns, and
cash outflow transactions. Payroll and fixed asset purchase transaction
are also in this category.
Ø
Conversion processes, systems, and
controls
The business transaction under this category are raw materials and
work-in-progress transactions.
Ø
Administrative processes, systems, and
controls
The business transactions that are
administrative are investments, borrowing, and capital transactions.
All of these business transactions result in T-accounts set up in the General Ledger processes, systems, and controls. From
the general ledger, both internal and external financial statements are
developed. Internal financial reports might be an aging schedule for accounts receivable or a sales inventory status report.
External financial reports would be the income
statement, balance sheet, and statement of cash flows.
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