Types of input devices ppt. Computer Input Devices 2019-02-09

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Types Input and Output Devices

types of input devices ppt

When light falls, on the chip though the lens, it converts light waves into electrical waves. A hard drive can be classified as both an input device and an output device. There are the Analog signals which are mostly simple. So, the memory controller needs to refresh the memory contents as many as thousand times a second, which is called memory refreshing. The paper absorbs the ink and it dries instantaneously.

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Computer Input Devices

types of input devices ppt

Memory caching is effective because most programs access the same data or instructions over and over. The most common outputs are monitors and speakers. Computer Education provides Tutorial on what is an example of an input device and Types of Input Devices which also covers input devices list 10 examples of input devices list of input devices and their uses computer input and output devices input devices and output devices for beginners input device is a piece of computer hardware equipment used to provide data and control signals to an information processing system such as a computer or information appliance. Digitizer can convert a signal from the television or camera into a series of numbers that could be stored in a computer. Webcam is the short form for web camera.

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Explain Different Types Of Output Devices ~ Perfect Computer Notes

types of input devices ppt

Inkjet printers make images by forcing ink droplets through nozzles. The joystick can be moved in all four directions. The keys in the keyboard are classified into 3 groups : Alpha Numeric Keys Special keys Punctuation Keys PowerPoint Presentation: Microphone: A microphone is a device that converts mechanical energy Sound or wave into electrical energy. It is known as led since the backlight used in it is normally a fluorescent light and it is used instead of using a normal backlight. The speed is very high i.

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Input Devices

types of input devices ppt

It is the very common type of the display that one can find anywhere. Touch Screen: The touch screen is very reliable in these days; this input device is used in mobile phones and tablets. Hence the display gets lighter since it has more control of it. Graphics tablet is also called a digitizer. PowerPoint Presentation: There are three types of mouse : Mechanical Mouse : The mouse which has rubber or metal ball under it which rolls in all direction is mechanical mouse. Track Ball Track ball is an input device that is mostly used in notebook or laptop computer, instead of a mouse.

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What are Different Types of Input Devices ~ Perfect Computer Notes

types of input devices ppt

A Joystick is a personal general control device consisting of a handheld stick that pivots about one end and transmits its angle in 2 or 3 dimensions to a computer. The hardware that writes data to or reads data from a storage medium is called a storage device. The thing is, the large would be the screen, the larger would be the tube and due to that, the weight would increase as well. Thermal Printers: These Printers uses heat sensitive paper in dot matrix method, on which hot needles are pressed to form characters. It has two buttons viz. Using the mouse involving 5 techniquespointing, clicking, double clicking, dragging, right-clicking. Printers are divided into two main categories: · Impact Printers · Non Impact printers Impact Printers.


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Overview of Display Device Types and their specifications

types of input devices ppt

Keyboard is most common input device is used today. These are touch sensitive devices which gets activated on a finger touch. This printer also acts as a bi-directional printer. It contains a total of 101 to 104 keys. The most popular controller has been joystick, which is simple a box with button and stick to control the motion in the game.

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Explain Different Types Of Output Devices ~ Perfect Computer Notes

types of input devices ppt

Simply it sends input to the computer when a user touches on the screen. Laser Printer: This type of printers uses laser beams which charge the drum negatively, to which black toner powder which is positively charged is stuck. The ink stream is broken into droplets by an ultrasonic transducers. 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. The printed output is referred to as hardcopy because it is in relatively permanent form. The ball has 2 wheels of the sides, which in turn mousse with the movement of the ball.

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IGCSE ICT

types of input devices ppt

A monitor has its own box which is separated from the main computer system and is connected to the computer by a cable. Track Ball Track ball Track Ball is an input device like a mouse. In simple words, it is an alternative to the mouse. We can click, double click or drag the mouse. Output Device can produce the final product of machine processing into a form usable by humans. The top speed of an inkjet is about 7 ppm pages per minute.


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Overview of Display Device Types and their specifications

types of input devices ppt

During formatting, the drive creates circular tracks around the disk's surface, then divides each track into sectors. It us a type of input device which helps in taking photos and transferring them in the computer. The most important thing that really matters is that what the resolution of that display is. Finger is moved on this surface to move pointer on screen. These printers are very fast, quality is very good and speed about is 15,000 to 20,000 lines per minute. A memory card reader is a device used for communication with a smart card or a flash memory card.

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Presentation on input devices...

types of input devices ppt

Non impact printers : In this printers, there is no mechanical contact between the printer head and paper. PowerPoint Presentation: Keyboard : It is simply a set of typewriter like keys that allows us to enter the data into the computer. The text which is to be scanned is illuminated by a low frequency light source. Scanner captures images from the source which are then converted into a digital form that can be stored on the disk. As like characters are typed by the keyboard, voice is entered by microphone same pictures are captured by digital camera and so on. Data and instructions are given to the computer to perform a specific task that is called Input. Laser printer : This printers make use of office copier technologies.


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