Task Team of FUNdaMENTAL aCCOUNtIng School of Business. Sun Yat-sen University These modules are ledgers themselves. We call them subledgers. Each contains the detailed entries of its specific field, such as accounts receivable. The subledgers summarize the entries then send the summary up to the general ledger. For example, each day the receivables subledger ecords all credit sales and payments received. The transactions net together then go up to the g/L to increase or decrease A/R, increase cash and decrease inventory. General ledger is the principal ledger, which contains all of the balance sheet and tatement accounts. Each subsidiary ledger is represented in the general ledger by a summarizing account,called a controlling account. The balance in the controlling accounts must equal the sum lary ledgers Computerized AIs A system that uses an electronic computer to process accounting data may be termed an electronic data processing(EDP) system or computerized accounting information system.An electronic data pr g system processes accounting data in much the same way as does a manual system but with greater speed and accuracy. For example, electronic cash registers are being used with the computer to process both cash and credit sales. For cash sales, the data entered by the salesclerk in the electronic cash register provide the basis for the computer to update accounting records, including the cash receipts journal and the general ledger accounts. For credit sales. the sales clerk enters the customer's account number and other relevant data in the electronic sh register. The computer then updates the customer's account in the subsidiary ledger and the other accounting records. Printouts of the updated general ledger and subsidiary account balances the sales journal, and customers statements of account can be obtained when needed In recent years, microcomputers and minicomputers have made electronic data process affordable to small and medium-size businesses. Some small businesses have been able to gain the use of electronic data processing through computer service centers, which provide computer services on a fee- basis Summary As the system of records that a business keeps to provide financial information, Accounting information system(AlS) has based its design on some fundamental principles. An accounting system is comprised of accounting records and a series of processes and procedures assigned to staff, volunteers, and/or outside professionals, which traditionally includes source documents, special journals, subsidiary journals and general journals. In recent years, because of theTask Team of FUNDAMENTAL ACCOUNTING School of Business, Sun Yat-sen University These modules are ledgers themselves. We call them subledgers. Each contains the detailed entries of its specific field, such as accounts receivable. The subledgers summarize the entries, then send the summary up to the general ledger. For example, each day the receivables subledger records all credit sales and payments received. The transactions net together then go up to the G/L to increase or decrease A/R, increase cash and decrease inventory. General ledger is the principal ledger, which contains all of the balance sheet and income statement accounts. Each subsidiary ledger is represented in the general ledger by a summarizing account, called a controlling account. The balance in the controlling accounts must equal the sum of the balances in the subsidiary ledgers Computerized AIS A system that uses an electronic computer to process accounting data may be termed an electronic data processing (EDP) system or computerized accounting information system. An electronic data processing system processes accounting data in much the same way as does a manual system but with greater speed and accuracy. For example, electronic cash registers are being used with the computer to process both cash and credit sales. For cash sales, the data entered by the salesclerk in the electronic cash register provide the basis for the computer to update the accounting records, including the cash receipts journal and the general ledger accounts. For credit sales, the sales clerk enters the customer's account number and other relevant data in the electronic cash register. The computer then updates the customer's account in the subsidiary ledger and the other accounting records. Printouts of the updated general ledger and subsidiary account balances, the sales journal, and customers statements of account can be obtained when needed. In recent years, microcomputers and minicomputers have made electronic data processing affordable to small and medium-size businesses. Some small businesses have been able to gain the use of electronic data processing through computer service centers, which provide computer services on a fee-basis. Summary As the system of records that a business keeps to provide financial information, Accounting information system (AIS) has based its design on some fundamental principles. An accounting system is comprised of accounting records and a series of processes and procedures assigned to staff, volunteers, and/or outside professionals, which traditionally includes source documents, special journals, subsidiary journals and general journals. In recent years, because of the