Joystick and Game-pad Joystick and game-pad are also input devices which are also input devices which are used to control the movement of object on the screen. Improper use or positioning of a keyboard can lead to repetitive-stress injuries. The data or signals the computer receives from a source, are known as an input, while the response data and information which are processed as a reaction to these inputs, and which are further transmitted to a certain destination are known as an output. It may be a handheld scanner or may be embedded in a stationary scanner. A mouse can be used to control the position of the cursor on the screen, but it cannot be used to enter text into the computer.
This type of mouse is more accurate and reliable than the traditional mouse. The newer optical mouse does not use a rolling ball, but instead uses a light and a small optical sensor to detect the motion of the mouse by tracking a tiny image of the desk surface. The user can make choices and press button images on the screen. If the disc has been , you cannot write any more information to that disc. Output devices allow the computer user to see the work results of the computer.
Most computer data output that is meant for humans is in the form of audio or video. A computer program processes and digitises the input information. Page Printer Page Printer prints a whole page at a time. Most devices are only input devices or output devices, as they can only accept data input from a user or output data generated by a computer. The printer and plotter are also able to display processing results but on paper.
There are various input devices. For hardcopy printed output, you need some kind of printer attached to your computer or available over a network. Their speed is rated in pages per minute ppm. Sound Output Computers also produce sound output, ranging from simple beeps alerting the user, to impressive game sound effects, to concert quality music. A cordless or wireless mouse communicates with the computer via radio waves often using BlueTooth hardware and protocol so that a cord is not needed but such mice need internal batteries. Generally, it has two buttons called the left and the right button and a wheel is present between the buttons. Students can learn and improve on their skillset for using Input and Output Devices effectively and can also prepare for competitive examinations like.
Think and Answer What kind of printer do you use in your school? You can easily solve all kind of questions based on Input and Output Devices Question and Answers Basic Computer Knowledge pdf free download and Computer Awareness by practicing exercise given in this Input and Output Devices Question and Answers Basic Computer Knowledge pdf free download section. We also use mouse for drawing in paint and kid pix. That can be used with the computer. The non-impact printers do not use a ribbon to print the characters. Speakers - An Output Device. An is one designed to exploit locality and perform efficiently when exchanging data with a secondary storage device, such as a disk drive.
Graphics tablets allows artists to create graphical images with motions and actions similar to using more traditional drawing tools. Act as a intermediary between the user and the machine in the process of communication. Here you will practice and learn All Input and Output Devices Question and Answers Basic Computer Knowledge pdf free download Questions along with Explanations Questions with Answers which will improve your Computer skills required for Competitive exams. Ink jet printers are inexpensive, but the cost of consumables ink cartridges and special paper make them costly to operate in the long run for many purposes. The camera and microphone also fall into specific input devices.
These are used to listen to the music and sounds played by the computer. Functionality Input devices send data to the computer. A micro phone is used to convert human speech into electric signals. When a close match is found, the word is recognized. The right mouse button can be selected and will often pop up a window of choices. Dot-Matrix , Daisy Wheel, Etc. Multimedia is a term describing computer output that includes sound, text, graphics, movies, and animation.
Touch pad Two-button mouse with scroll wheel Wireless Macintosh mouse Most laptop computers today have a touch pad pointing device. These can be, for example, physical, optical or audio signals, and the receiving part can be a sensor, a microprocessor, etc. Input devices serve the computer user to enter data into the computer. Figure 2: Monitor Printer Printer is another output device. The monitor visually relays an image, which is created by the computer's operating system. A sound card is an example of a multimedia output device as is a monitor that can display graphics. It is important to understand the different types of peripherals and what their main uses are in case you need to add a device to your computer.
On either type of computer you can also use mice with three or more buttons and a small scroll wheel which can also usually be clicked like a button. There are 104 buttons on the keyboard which are called keys. The speed of this printer is very fast and it gives out very fine quality prints. . An output is data that a computer sends. Printers—an output device—produce images or text from the computer. The provides for input and output.
Examples of common input and output components are disk drives and modems. Why Input and Output Devices Question and Answers Basic Computer Knowledge pdf free download? A connector that has a certain type of signaling and supports a certain protocol, thus enabling the communication of the system, forms the interface. There are various output devices. Typewriter Keyboard with Numeric Keypad. Think and Answer Have you seen joystick in any other machine? Similarly, after the computer has processed your data, you often need to produce output of the results. It is used to enter data and instructions directly into the computer.