The components of Computerised Accounting System refer to:

Business transactions are analysed, transactions recorded, Prepare Trial Balance, Preparation of Balance Sheet and Profit & Loss Account

The correct answer is option 1- Business transactions are analysed, transactions recorded, Prepare Trial Balance, Preparation of Balance Sheet and Profit & Loss Account.

Computerised Accounting System refers to the processing of accounting transaction through the use of hardware and software in order to produce accounting records and reports. CAS takes accounting transactions as inputs that are processed through Accounting Software to generate the following reports:
•Day books/Journals
•Ledger
•Trial Balance
•Position Statement (Balance Sheet)
•Statement of Profit and Loss (Profit and Loss Account)