JFE301Xuất hiện trong 1 đề thi
Which of the following is an appropriate statement with regard to system performance evaluation, when selecting a new computer system?
Các lựa chọn
AEvaluation can be performed in an environment close to actual use by creating a relatively simple and easy-to-understand program for test purposes, repeatedly running this program as necessary, and measuring the performance.
BEvaluation can be performed with high accuracy by using a test program that is relatively unaffected by differences in memory capacity and I/O device configuration.
CPerformance should be measured in as simple environment as possible. The data required for evaluation can be obtained by running many programs with multiplicity 1.
DThe data required for evaluation can be acquired by running programs, which are frequently used or time critical.