1. I am good at computers.

2. I am good with computers.
(Are both the same in meaning?)

3. I am good at using computers.
4. I am good with using computers.
(Are both the same and grammatical?)

1. "I am good at computers" implies that you have a good understanding or knowledge of computers in general. This could include skills such as programming, troubleshooting, or configuring computer systems.

2. "I am good with computers" suggests that you have the ability to handle or work with computers effectively. This could refer to tasks such as operating software, navigating interfaces, or using various applications.

In terms of meaning, both sentences convey a similar message, expressing a level of proficiency or competence when it comes to computers.

3. "I am good at using computers" emphasizes your ability to effectively utilize or operate computers. This sentence focuses specifically on your skills with using computers for various tasks or functions.

4. "I am good with using computers" also implies proficiency in using computers. However, the sentence structure here may sound a bit awkward or redundant. It would be more common to say "I am good with computers" or "I am good at using computers" to capture the intended meaning.

1. "I am good at computers" and 2. "I am good with computers" have similar meanings, but there is a subtle difference in emphasis.

- "I am good at computers" implies that you have a strong understanding and skill in working with computers or computer-related tasks. It focuses more on your expertise or knowledge in the domain of computers.

- "I am good with computers" implies that you have a natural ability to handle or interact with computers effectively. It suggests that you find it easy to use computers or that you have a knack for troubleshooting computer-related issues.

Both expressions are commonly used and acceptable, but the choice between them may depend on the specific context or personal preference.

Regarding 3. "I am good at using computers" and 4. "I am good with using computers," both can be grammatically correct and convey a similar meaning. They both imply proficiency in operating or utilizing computers. However, the preference between "at" and "with" can again depend on personal choice or the specific context of the statement.

1, 2, and 3 are all fine and mean the same thing. Don't use #4.

=)