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the most fundamental software that manages a computer, cell phone, etc., hardware and provides a platform for running applications
操作系统, 作业系统
able to operate without wires
无线的, 无拘束的
a small, handheld device that we move across a flat surface to move the cursor on a computer screen
鼠标, 光标器
having a wider aspect ratio than the traditional 4:3 aspect ratio, allowing for a larger viewing area
宽屏的, 宽视野的
the visual output of data or images on a computer, television, or other screen
显示器, 屏幕
the duration for which a battery can power a device or system before it needs to be recharged or replaced
电池寿命, 电池使用时间
a device used for storing and retrieving digital information, which uses rapidly rotating disks to read and write data
硬盘, 硬盘驱动器
describing a product or device that combines multiple features or functions into a single unit
多功能的, 一体化的
an area on a computer where the icons of programs are displayed
桌面, 电脑桌面
a small device used for storing data or transferring data between electronic devices
闪存驱动器, 优盘
unwanted or irrelevant online advertisements sent to many people
垃圾邮件, 广告邮件
(computing) a piece of software that blocks or sorts particular types of information that is sent to a computer
过滤器, 筛选器
a computer program that searches the Internet and finds information based on a word or group of words given to it
搜索引擎, 检索引擎
a piece of hardware that processes and renders images, video, and animations for display on a computer monitor
显卡, 图形卡
a software designed to detect, prevent, and remove harmful software, such as viruses, from a computer or device
杀毒程序, 反病毒程序
a harmful program that pretends to be legitimate and can give unauthorized access to a device
特洛伊木马, 木马病毒
