摘要: Software engineers analyze users' needs and create application software.[阅读全文]
摘要: Computer programmers create, test, and troubleshoot programs used by computers.[阅读全文]
摘要: Desktop publishers use computers to format and create publication-ready material.[阅读全文]
摘要: Network administrators manage a company’s LAN and WAN networks.[阅读全文]
摘要: Information systems managers oversee the work of programmers, computer specialists, systems analysts and other computer professionals.[阅读全文]
摘要: Database administrators use database management software to determine the most efficient ways to organize and access a company’s data.[阅读全文]
摘要: Data entry workers input customer information, lists, and other types of data.[阅读全文]
摘要: Cryptography is the science of disguising and revealing encrypted information.[阅读全文]
摘要: Computer trainers instruct new users on the latest software or hardware.[阅读全文]
摘要: Computer technicians repair and install computer components.[阅读全文]
摘要: Computer support specialists provide technical support to customers and other users.[阅读全文]
摘要: BIOS是英文"Basic Input Output System"的缩略语，直译过来后中文名称就是"基本输入输出系统"。它的全称应该是ROM－BIOS，意思是只读存储器基本输入输出系统。[阅读全文]
摘要: External memory, also known as secondary storage, is extension of the internal memory.[阅读全文]
摘要: Keyboard: A keyboard is an input device of a computer. Through a keyboard, English letters, numbers and punctuation can be inputted into the computer, so keyboards can say the words. What’[阅读全文]
摘要: Internal Memory: According to its position in a computer, memory can be divided into internal memory and external memory.[阅读全文]
摘要: The components of CPU include three typical parts: arithmetic unit, control unit and registers.[阅读全文]
摘要: 网站流量统计PV UV IP解释[阅读全文]