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Terms - Coggle Diagram
Terms
Bandwidth
- Describes the amount of data that the system can transfer in a fixed time period.
- Describes the amount of data that the system can transfer in a fixed time period.
- Requirements are expressed in bits per second, but also depending on the system, that might measure bandwidth in Kbps, Mbps or Gbps.
- Analyzing it is similar to forecasting the hourly number of vehicles that will use highway in order to determine the number of lanes required.
Throughput
- Measures actual system performance under specific circumstances and is affected by network loads and hardware efficiency.
- Expressed as a data transfer rate and throughput limitations can slow system performance and response time.
- Especially true with graphics-intensive systems and Web-based systems that are subject to internet-related conditions.
- Response time is the overall time between a request for system activity and the delivery of the response.
Response time
- Overall time between a request for system activity and the delivery of the response.
- In the typical online environment, response time is a measured from the instant the user presses the ENTER key or clicks a mouse button until the requested screen display appears or printed output is ready.
- Affected by the system design, capabilities and processing methods.
- If the request involves network or internet access, response time is affected by data communication factors.
Turnaround Time
- Applies to centralized batch processing operations, such as customer bulling or credit card statement processing.
- Turnaround time measures the time between submitting a request for information and the fulfillment of the request.
- Can be used to measure the quality of IT support or services by measuring the time from a user request for help to the resolution of the problem.
How terms are related?
- Bandwidth and throughput are closely related terms, and many analysts use them interchangeably.
- The IT department often measures response time, bandwidth, throughput, and turn-around time to evaluate system performance both before and after changes to the system or business information requirements.