Accounting Systems and Internal Control

Globalisation: The increasing interconnectedness and interdependence of global markets and businesses.
Deregulation: The reduction or elimination of government rules controlling business practices, impacting competition and operational frameworks.
Advances in Technology:
- Metcalfe's Law: The value of a network doubles with each new connection, which emphasizes the increasing importance of connectivity in information systems.
- Moore's Law: The computational power (chip density) will double approximately every 18 months, leading to rapid advancements in technology capabilities.
Outsourcing and Downsizing: Trends toward reducing costs by outsourcing business functions and decreasing the size of the workforce.

Definition of a System: A set of two or more interrelated components interacting to achieve a goal.
Goal Conflict: Occurs when components act in their own interests without regard for the overall goal, potentially disrupting system effectiveness.
Goal Congruence: Occurs when individual components acting in their own interest collectively contribute toward the overall goal, enhancing system functionality.

Data: Facts that are collected, recorded, stored, and processed but may not be sufficient for decision-making.
Information: Processed data that is used for decision making. However, excessive information can lead to data overload, making decision-making more challenging.
Value of Information:
- Benefits of Information:
- Reduce uncertainty.
- Improve decisions.
- Improve planning.
- Improve scheduling.
- Time and resources are used efficiently to produce and distribute information.
- Information is considered valuable when benefits outweigh costs ($s > costs $s).

Relevant: Reduces uncertainty, enhances decision-making, or confirms/corrects prior expectations.
Reliable: Free from errors or biases; accurately represents organizational events or activities.
Existence: Only transactions, assets, obligations, and equity generated in the system should exist within it.
Valid: Only authorized transactions and reports should be processed by the firm.
Complete: Information does not omit significant aspects of transactions or activities.
Timely: Provided in time to facilitate decision-making.
Measurable: Transactions, assets, liabilities, and equities are accurately measured within the system.
Understandable: Information is presented in a clear and intelligible format.
Verifiable: Two independent, knowledgeable individuals can produce the same information.
Accessible: Information is available to users when needed and in a usable format.

Definition of a Transaction: An agreement between two entities to exchange goods, services, or any other measurable event in economic terms.
Key Characteristics:
- Affect financial position of the business.
- Can be reliably recorded.
- Involves give-and-get exchanges between two entities.

Nexus of Contracts: The firm is viewed as a complex of contracts between stakeholders:
- Suppliers: Provide goods/services and issue vendor invoices.
- Customers: Request goods/services, receive customer invoices, and make payments.
- Investors & Creditors: Involve investments, dividends, and loans.
- Management: Interacts with lenders, employees, and government agencies in managing financial aspects.

Revenue Cycle Components:
- Prepare and handle sales returns, discounts, and allowances.
- Receive and respond to customer inquiries and orders.
- Invoice customers for shipped goods or services performed.
- Ship goods and perform services while managing inventory.
- Deposit payments in the bank and update sales and accounts receivable data.

Expenditure Cycle Components:
- Prepare management reports and send appropriate information to other cycles.
- Request purchase orders for goods and services.
- Prepare and handle purchase orders and receive goods/services.
- Manage purchase returns, discounts, and allowances.
- Update accounts payable and process vendor invoices for payment.

Definition: Systems that collect, process, store data, and report information.
- Accounting is often described as the language of business, while AIS serves as the vehicle for delivering this information.

An AIS can range from simple manual systems using pencil and paper to state-of-the-art systems utilizing advanced computing technology.
Regardless of the system's sophistication, the underlying processes remain consistent.

People: Those who operate and utilize the system.
Processes: Instructions for collecting, processing, and storing data.
Data: The raw facts that are transformed into information.
Software: Programs used to manage data and processes.
Information Technology (IT) Infrastructure: Hardware such as computers, peripherals, and networks.
Internal Control and Security: Safeguarding the system and its data to prevent loss and unauthorized access.

AIS collects and stores data about organizational activities, resources, and personnel.
Transforms data into information to enable management to effectively plan, execute, control, and evaluate business operations.
Provides control measures to safeguard assets and data.

Organizations have limited resources; hence, investments in AIS should focus on maximizing ROI.
Understanding IT developments, business strategies, and organizational cultures is essential, as they will influence and be influenced by new AIS implementations.

Value Chain Definition: The set of activities a product or service undergoes before it is sold to a customer. Each activity adds value to the product or service.
- Primary Activities:
- Inbound logistics
- Operations
- Outbound logistics
- Marketing/Sales
- Services
- Support Activities:
- Firm infrastructure
- Human resources
- Technology
- Purchasing