Making sure that users are able to enter data into the system accurately is of utmost importance. It is by now axiomatic that the quality of data input determines the quality of information output.The systems analyst can support accurate data entry … [Read more...] about Designing Accurate Data Entry Procedures
Designing Accurate Data Entry Procedures
Effective Coding
One of the ways that data can be entered more accurately and efficiently is through the knowledgeable employment of various codes. The process of putting ambiguous or cumbersome data into short, easily entered digits or letters is called coding (not … [Read more...] about Effective Coding
General Guidelines for Coding
In the previous sections, we examined the purposes for using different types of codes when humans and machines enter and store data. Next, we examine a few heuristics for establishing a coding system. These rules are highlighted in the list … [Read more...] about General Guidelines for Coding
Effective and Efficient Data Capture
To ensure the quality of data users enter into the system, it is important to capture data effectively. Data capture has received increasingly greater attention as the point in information processing at which excellent productivity gains can be made. … [Read more...] about Effective and Efficient Data Capture
Choosing a Data Entry Method
Several efficient data entry methods are available, and choosing one of them is shaped by many factors, including the need for speed, accuracy, and user training; the cost of the data entry method (whether it is materials or labor-intensive); and the … [Read more...] about Choosing a Data Entry Method
Ensuring Data Quality Through Input Validation
So far, we have discussed ensuring the effective capturing of data onto source documents and the data’s efficient entry into the system through various input devices. Although these conditions are necessary for ensuring quality data, they alone are … [Read more...] about Ensuring Data Quality Through Input Validation
The Process of Validation
It is important to validate each field until it is either valid or an error has been detected. The order of testing data is to first check for missing data. Then a syntax test can check the length of the data entered and check for proper class and … [Read more...] about The Process of Validation
Accuracy Advantages in Ecommerce Environments
One of the many bonuses of ecommerce transactions is increased accuracy of data, due to four reasons: Customers generally key or enter data themselves. Data entered by customers are stored for later use. Data entered at the point of sale are … [Read more...] about Accuracy Advantages in Ecommerce Environments