"有使用电脑的能力" can be translated into English as "have the ability to use a computer" or "be capable of using a computer".
Both expressions are commonly used and convey the idea of possessing the skill or proficiency to operate a computer. You can choose either one based on the context or your personal preference. For example:
He has the ability to use a computer efficiently for his work.
（他能够高效地使用电脑进行工作。）
She is capable of using a computer to complete various tasks.
（她能够使用电脑完成各种任务。）