Input and Output Devices of a Computer

pcbinary June 27, 2021 0 Comments



Input and Output Devices of a Computer


In this tutorial, we are going to learn about the various input and outputdevices of a computer such as keyboard, mouse, scanner, web camera, monitor,printer, etc. Submitted by IncludeHelp, on August 12, 2020

Input devices


The devices which are used to give input from the external world to thecomputer system are known as input devices. The most widely used and popularinput devices in the world of computers are keyboard, mouse, and scanner.Following are the input devices, 1. Keyboard 2. Mouse 3. Scanner 4. Web camera

(a) Trackball mouse


It is an input device that is used to enter movement data into computers orother storage devices. Its function is similar to a mouse. It has a moveableball on the top, which can be moved in any direction.Rather than moving the entire device, you essentially roll the moveable ballon the head of the trackball unit with your hand to produce input.

(b) Optical mouse


An optical mouse uses light to detect movement. Presented in the late 1990s,optical mouse supplanted mechanical mouse in fact, that their fixed basesurfaces do not absorb dirt and dust.The optical mouse produce light from a LED or laser and a CMOS sensoridentifies the light reflections as the mouse is moved.

(d) The Mechanical Mouse


A mechanical mouse also falls in the category of input device included a metalor rubber ball in its underside.When the ball roll mouse pointer moves accordingly, and sensors inside themouse recognize the movement of the ball and subsequently impart signs to thecursor on the screen.

Different Examples of Input Devices With Description


1. Keybboard 2. Mouse 3. Trach Ball 4. Trackpad 5. Joy Stick 6. Light Pen 7. Microphone 8. Scanner 9. Graphic Tablet ( Digitizer ) 10. Digital Camera 11. Touch Screen ( I/O Device / Dual Device – Perform Both Functions input + Output )

2. Mouse


— Mouse – Types of input device Mouse is an input deviceused to control motion of the pointer on screen. A mouse has two or threebuttons. These mouse buttons are called Left, Right and Middle buttonrespectively. Buttons are used to perform different functions. A mouse has arubber or metal ball inside its body. Mouse is rolled over a flat surfacecalled mouse pad. The movement of ball is detected by internal circuits ofmouse. These circuits convert this movement into digital signals, which aresent to computer. Mouse is used in graphical applications. It is also used forplaying video games on computer.

This is all about Different Types of Input Devices for Computer with


pictures / examples. What are Different Types of Input Devices With ExamplesTopic: Different types of input devices of a computer system with examples,pictures and explanation:

Different Examples of Input Devices With Description


1. Keybboard 2. Mouse 3. Trach Ball 4. Trackpad 5. Joy Stick 6. Light Pen 7. Microphone 8. Scanner 9. Graphic Tablet ( Digitizer ) 10. Digital Camera 11. Touch Screen ( I/O Device / Dual Device – Perform Both Functions input + Output )

2. Mouse


— Mouse – Types of input device Mouse is an input deviceused to control motion of the pointer on screen. A mouse has two or threebuttons. These mouse buttons are called Left, Right and Middle buttonrespectively. Buttons are used to perform different functions. A mouse has arubber or metal ball inside its body. Mouse is rolled over a flat surfacecalled mouse pad. The movement of ball is detected by internal circuits ofmouse. These circuits convert this movement into digital signals, which aresent to computer. Mouse is used in graphical applications. It is also used forplaying video games on computer.

This is all about Different Types of Input Devices for Computer with


pictures / examples. Left-Handed Computer Mouse Options and Search StrategiesWhile Lefties make up only about 10% of the population, they make up a muchhigher percentage of savvy computer users.Still, that doesn’t seem to make it any easier to find left-handed computermouse options.The industry doesn’t think it’s profitable to make a basic, yet affordable,left-handed design, and continues to pump out variations of a genericallyshaped mouse (sometimes called “ambidextrous”), which are designed to fit anyparticular hand, but not optimized for comfort.However, Lefties still have options when it comes to finding the ~~right~~best left-handed specialty computer mouse, and at prices similar to theirright-handed counterparts.First, I’ll discuss some of those specialty mouse options, and at the end ofthis article, I’ll show you a way to tweak your search for better results.

Side Note: Convert your mouse for Leftie use


Leftie mouse use shouldn’t be awkwardDon’t forget that you can always convert your current mouse into a left-handedmouse with a few clicks.That is to say, you can switch the button functions so that you can use yourleft-hand index finger as your primary button, or “main clicker”, and yourmiddle finger for your secondary button, or “right-click”.That way, you don’t have to hold the mouse funny (as pictured above).I show you how to set that up in this other article: Convert Your RegularMouse to a Left-Hand Computer MouseOk, now that we have that out of the way, let’s look at some special mice tofit your left-hand…

Left-Handed Computer Mouse


As I mentioned above, and in a previous article, the traditional computermouse was not originally designed with hand and wrist comfort in mind.Designs have since changed, taking finger length, palm curvature, and forearmpronation into account. While most designs only consider right-handed users,more left-handed computer mouse options are becoming available.Two examples: The Perfit Optical Mouse by Contour Design comes in medium and large sizes tofit a variety of hands. the three buttons on the top, and two by the thumb areall programmable. I’ve seen them available in black and white options.The Goldtouch USB Comfort Mouse by Goldtouch has the standard two-buttondesign with a scroll-wheel in the middle, so there are no addition drivers toinstall or any additional buttons to program. The oversized buttons make iteasier to find a comfortable position for your fingers,The design and level of comfort of these options put them on the border (andprice range) of the following category: Ergonomic Mouse.

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