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Key terms. Keyboard—a panel of keys used for putting information including letters, words, and numbers into your computer. . a hand-operated pointing device. When you move the mouse on your desk, the mouse pointer .
The mouse is the primary input device used to interact with objects in Windows. The term mouse can also refer to other pointing devices, such as trackballs, touchpads and pointing sticks built into notebook computers, pens used with Windows Tablet and Touch Technology, and, on computers with touchscreens, even a user's finger.
This first chapter explains what computer science is all about. It will help you understand that the goal of a computer scientist is to solve problems using computers. You will see how problems are formulated by means of algorithms and how the process of abstraction can be used to break problems down to easily manageable pieces.
The processing element carries out arithmetic and logical operations, and a sequencing and control unit can change the order of operations in response to stored information. Peripheral devices include input devices (keyboards, mice, joystick, etc.), output devices (monitor screens, printers, etc.), and input/output devices that perform both ...
INPUT DEVICES An input device is any hardware component that allows you to enter data and instructions into a computer. Five widely used input devices are the keyboard, mouse, microphone, scanner, and Web cam. A computer keyboard contains keys you press to enter data into the computer.
In computing, a mouse is a small hand-held interactive input device that, when rolled over a flat surface, controls placement of the cursor on a computer's terminal display screen.
A computer system also needs input devices, such as a keyboard and a mouse or a touchpad (also known as a trackpad) so that the user can interact with the computer via the interface. A display device such as a monitor is also needed. Most computer hardware is divided into several types of device: An input device
