explain 5 input device in computer.
Answers
Answer:
Following are some of the important input devices which are used in a computer −
•Keyboard
•Mouse
•Joy Stick
•Light pen
•Track Ball
Keyboard
Keyboard is the most common and very popular input device which helps to input data to the computer. The layout of the keyboard is like that of traditional typewriter, although there are some additional keys provided for performing additional functions.Keyboards are of two sizes 84 keys or 101/102 keys, but now keyboards with 104 keys or 108 keys are also available for Windows and Internet.
Mouse
Mouse is the most popular pointing device. It is a very famous cursor-control device having a small palm size box with a round ball at its base, which senses the movement of the mouse and sends corresponding signals to the CPU when the mouse buttons are pressed.
Joystick
Joystick is also a pointing device, which is used to move the cursor position on a monitor screen. It is a stick having a spherical ball at its both lower and upper ends. The lower spherical ball moves in a socket. The joystick can be moved in all four directions.
Light Pen
Light pen is a pointing device similar to a pen. It is used to select a displayed menu item or draw pictures on the monitor screen. It consists of a photocell and an optical system placed in a small tube.
Track Ball
Track ball is an input device that is mostly used in notebook or laptop computer, instead of a mouse. This is a ball which is half inserted and by moving fingers on the ball, the pointer can be moved.
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Answer:
Examples of input devices include keyboards, mouse, scanners, cameras, joysticks, and microphones.
Explanation:
Five input device in computer:
Keyboard:
The most frequent and well-liked input method for entering data into computers is the keyboard. Although there are some extra keys for performing other operations, the keyboard layout is similar to that of a typical typewriter. Keyboards typically have 84 or 101 or 102 keys, although lately keyboards with 104 or 108 keys are also offered for use with Windows and the Internet.
Mouse:
The most common pointing device is the mouse. It is a fairly well-known cursor-control device that resembles a small palm-sized box with a spherical ball at its base. When the mouse buttons are pressed, the gadget senses mouse movement and transmits the appropriate signals to the CPU.
Joystick:
A joystick is another pointing tool used to change the location of the pointer on a monitor screen. It is a stick with a sphere attached to each of its ends. A socket allows the lower spherical ball to move. You may rotate the joystick in all four directions.
Microphone:
A microphone is a type of input device used to record sound in digital form. The microphone can be used for a variety of tasks, including mixing music or adding sound to a multimedia display.
Scanner:
Scanners are input devices that operate more like photocopiers. When some information is on paper and needs to be moved to the computer's hard drive for further modification, it is used. Images from the source are captured by the scanner and turned into digital files that may be stored on the disc. Before being printed, these pictures can be modified.