Businesses need resources in order to conduct their business—to produce and sell a product or to provide a service. The expenditure cycle is concerned with the acquisition of ?xed assets, raw materials, or manufactured components and the use of employee labor to yield a ?nished product. As was the case in the revenue cycle, this effort can be viewed as having both a physical phase and a ?nancial phase. Required: a. Describe the purpose of purchasing department serve. (3 marks) b. Explain the advantages are achieved in choosing: i. a basic batch computer system over a manual system. ii. a batch system with real-time data input over a basic batch system. (8 marks)

The purchasing department is in charge of all things required by the business or organization. The purchasing department may also be referred to as the procurement department or the purchase department.

The buying department's responsibilities
The purchasing department's primary role in any business or organization is to procure all things required by the business or organization.
The purchasing department communicates with suppliers, solicits quotations, and places orders with them.
The department is responsible for inspecting and testing each item purchased to ensure that it is in good shape.
The purchasing department stores materials acquired until they are required by the organization's numerous divisions and offices.
The purchasing department is responsible for ensuring that the correct commodities or items are purchased.
Additionally, it ensures that the appropriate number of commodities is purchased.
After purchasing the commodities or things, the purchasing department distributes them to the company's or organization's other departments. Simply described, it is responsible for the distribution of goods inside the organization.
After placing orders with suppliers, the purchasing department verifies that deliveries match the quotations and orders.

Step-by-step explanation

The purchasing department is in charge of all things required by the business or organization. The purchasing department may also be referred to as the procurement department or the purchase department.

The buying department's responsibilities
The purchasing department's primary role in any business or organization is to procure all things required by the business or organization.
The purchasing department communicates with suppliers, solicits quotations, and places orders with them.
The department is responsible for inspecting and testing each item purchased to ensure that it is in good shape.
The purchasing department stores materials acquired until they are required by the organization's numerous divisions and offices.
The purchasing department is responsible for ensuring that the correct commodities or items are purchased.
Additionally, it ensures that the appropriate number of commodities is purchased.
After purchasing the commodities or things, the purchasing department distributes them to the company's or organization's other departments. Simply described, it is responsible for the distribution of goods inside the organization.
After placing orders with suppliers, the purchasing department verifies that deliveries match the quotations and orders.

2
Because batch systems place less strain on the CPU and require less human engagement, they can be used in the modern day as well. Another advantage of batch systems is that we may assign big repetitive chores to the system without having to communicate with the computer to inform it that we need to conduct that work after finishing the current one. Earlier batch systems were not interactive, meaning that no user involvement occurred while the operation was running. We now have interactions in sophisticated batch systems. For instance, we can program a timer into a work, and when the specified time arrives, the computer notifies the processor that the job is complete. This helps us prevent making too many errors and makes debugging easier.
The advantages of batch processing
Several advantages of batch systems include the following:
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In batch systems, repetitive tasks are completed quickly and without human input.
To input data into batch systems, no extra hardware or system support is required.
It is most beneficial for large enterprises, although small organizations can still profit.
Batch systems can operate in the background, putting less strain on the processor.
While processing, the processor spends less time, which indicates that it knows which job to process next. In real-time systems, we do not have an expectation of how long a work will take and how long it will take to complete. However, in batch systems, the processor is aware of the duration of the work because it is queued.
Multiple users can share a batch system.
The batch system has a very low idle time.
You can schedule batch jobs so that they begin processing while the machine is inactive, such as at night or at any free period.
Batch systems are capable of easily managing vast amounts of repetitive work.
Continuous data entry, processing, and output are all part of real-time processing. As a result, it processes quickly. Certain programs make use of this type of data processing. ATMs in banks, customer service, radar systems, and point-of-sale (POS) systems are just a few examples. With this data method, each transaction is directly mirrored in the master file. Thus, it will always be current.
i. Real-Time Processing's Advantages
There is no substantial delay in responding when real-time processing is used.
With real-time processing, data is always current. As a result, the organization becomes capable of taking immediate action. Additionally, when responding to an occurrence, crisis, or scenario within the smallest amount of time possible. Additionally, it enables the company to derive insights from the updated data. Additionally, it assists in detecting patterns indicative of potential identification of opportunities or risks.