Computerised accounting system(CAS)
refers to the processing of accounting
transaction through the use of hardware
and software in order to produce
accounting records and reports
COMPONENTS OF CAS
 PROCEDURE: logical sequence of
action to perform a task
 DATA: The raw fact for any business
application
 PEOPLE : users
 Hardware : Computer , associated
peripherals and their network
 Software : System software and
Application software
Component
s of
computer
Hardware Software
System
software
Application
software
Accounting
transaction
Input
transac
tions
Accounting
application
software
Information
displayed or
printed
Data
Entry
Accessed
Queries
Reports Generated by CAS
Statement of Profit and Loss(Profit and loss account)
Position Statement(Balance Sheet)
Trail Balance
Ledger
Day books/Journals
Data and Information
MEANING
 A data-item is the smallest named unit of data in the
information system.
 Four data elements in a transaction
name of account, accounting code, date of
transaction and amount
 Transaction is a record of inflow and outflow of
resources
 Information is the processed data which helps in
decision making
Steps in manual accounting
cycle
 Analysing business transactions
 Recording transactions in the journal
 Posting entries to ledger
 Preparing trail balance
 Adjustments in accounts on verification
 Posting the adjustments in ledger to prepare
adjusted trail balance
 Preparation of profit and loss account and
balance sheet
 Financial statements are prepared from the
finally adjusted ledger and balancing the
accounts
Features of CAS
 Simple and Integrated
 Transparency and control
 Accuracy and speed
 Scalability
 Reliability
Componrnts of computer

Componrnts of computer