1, Computer Level 2 Collection is a computer level 2 exam simulation software developed by Beijing Intelligent Technology Co., Ltd., which contains real and simulated questions in recent years, as well as detailed video explanation and grading functions, and is suitable for self-study or review. The advantages of the second-level computer book are comprehensive topics, clear explanations and accurate grading, but the disadvantages are that it can only be used on the computer, and it is impossible to answer questions online and update the question bank.

2. Future Education is a computer secondary examination training institution founded by Beijing Future Education Technology Co., Ltd., which provides online courses, question banks and live answering services, and is suitable for candidates who have no foundation or need guidance. The advantages of future education are high teaching quality, thoughtful service and timely updating, while the disadvantages are higher fees, longer courses and fewer question banks.