| homework 7 Version 0 |
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| 👤 Author: by 1142486972qqcom 2018-05-10 08:50:22 |
describe one type of secondary devices in detail
Computer-aided test is a method of using a computer to assist in testing. Computer-aided testing can be used in different areas.
In the teaching field, computers can be used to test students' learning effects and evaluate their learning ability. Generally, they are divided into offline testing and online testing.
In the field of software testing, computers can be used to test software and improve testing efficiency.
Off-line testing consists of a computer picking up a set of appropriate questions from the preset question bank and printing them as test papers. After answering the questions, the answer paper card can be sent to the computer through the “optoelectronic reader”. Make a score and score. The standard answer is already stored in the computer for comparison purposes.
On-line testing selects questions one by one from the computer's library, and asks students questions through interactive means such as a monitor and an output printer. They send their answers to the computer through a keyboard or other input device, and they are reviewed and scored by the computer. One of these is called an adjustable test. The computer can determine the difficulty of the next step based on whether the student answers correctly or not. According to the statistics of education statistics, only a small number of questions and answers can be used to determine the student's learning status. .
Computer-aided testing, also known as computer-assisted testing (CAT), namely: test composition, test implementation, grading and analysis, analysis of test questions, and question bank, focusing on explaining each part in the entire system with different functions and functions, and finally summing up .
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