External devices are not connected directly to the system bus because they have a wide range of control logics, as well as data transfer speeds and formats. Inputoutput devices are required for users to communicate with the computer. An inputoutput io device is a hardware device that has the ability to accept inputted, outputted or other processed data. Inputoutput devices constitute a major part of a computer system. Virtually all external devices have buffers, control signals, status signals, and data bits. Input and output devices input devices allow us to send information to the computer. Students preparing for competitive exams, all types of entrance tests, group. Following are few of the important output devices which are used in a computer.
Input devices input is any data or instructions entered into the memory of a computer. These are in the mode of multiple choice bits and are also viewed regularly by ssc, postal, railway exams aspirants. Thus, a computer must have a system to receive information from the outside world and must be able to communicate results to the external world. This is the most common output device connected with the computer to display the processed information. The devices which are used to input the data and the programs in the computer are known as input devices. Using a computer may seem an easy task because of the tools that are attacked with the device and helps in managing the system properly. Input and output devices bangladesh open university. A number of inputoutput devices are used with many types of microcomputers. Any hardware component used to enter data, programs, commands, and user responses into a computer scanners and reading devices voice input keyboard pointing device video input digital p. Find output and input device stock images in hd and millions of other royaltyfree stock photos, illustrations and vectors in the shutterstock collection. Pointing devices absolute relative graphic tablet, touchscreen, optical pen mouse, joystick, trackball direct indirect control to display ratio touchscreen, optical pen graphic tablet, mouse, joystick, trackball si3 master isi. Input output device based mcq mcqs on input and output devices gk objective question answer exam question answer for competitive exam of govt jobs. Trackball the trackball is sort of like an upsidedown mouse, with the ball located on top.
Input devices input devices any peripheral piece of computer hardware equipment used to provide data and control signals to a computer. Here i am going to share you about list of basic input devices, output devices and both inputoutput devices. However, nearly all examples of humancomputer interaction require both input and output to do anything useful. Job interview questions on basic computer technology and internet part2. The following is a list of the most common input devices which are nowadays found in a computer system.
Ccoommppuutter er ffununddaammenenttaallss pprradadeeeepp kk. Below are some of the previous important questions asked in the public examinations. Projectors are often used in meetings and presentations so that everyone in the room can view the presentation. Pos scanner are hardware devices capable of reading a barcode and printing out the details of the product andor logging that product into a database so a company can easily keep track of its inventory. Join our community just now to flow with the file chapter 3 input and output devices and make. Output device can produce the final product of machine processing into a form usable by humans.
How do you ever wonder how information gets in your computer and how comes out in a form you can use. Most modern monitors can display 1024 by 768 pixels, the svga standard. Play the magician hat game and identify the input and output in it. Peripheral devices are external devices that connect to the computer through ports, such as usb, ethernet, and parallel ports. The computing literature often draws a sharp distinction between input and output. Input output devices software free download input output. Input output devices software eltima serial port terminal v. The terms input and output are used both as verbs to describe the process of entering or displaying the data, and as nouns referring to the data itself entered into or displayed by the computer. The devices which are used to display the results or information are called output devices. It also can acquire respective media data as input sent to a computer or send computer data to storage media as storage output. Information that comes from an external source and is. When hardware is installed inside or outside a computer, the operating system needs a special piece of software called a driver to help it understand how to communicate with that device. Peripheral device, also known as peripheral, computer peripheral,inputoutput device, or inputoutput device, any of various devices including sensors used to enter information and instructions into a computer for storage or processing and to deliver the processed data to a human operator or, in some cases, a machine controlled by the computer. Identify your body parts that can be compared to computer parts.
The input output test of logical reasoning problems and solutions is available here. It forms images from tiny dots, called pixels that are arranged in a rectangular form. Input and output devices introduction the unit 4 presents the information of input and output devices. Mcq input and output device of computer with answers pdf. Here you can download file chapter 3 input and output devices. List of input devices, output devices and both input. While we now take a computer mouse for granted, fifteen years ago there was still a debate about what would be the ultimate pointing device. Computer input and output devices questions computer. Input output device software free download input output. Input output logical reasoning problems and solutions. Monitors graphic plotter printer monitors monitors, commonly called as visual display unit vdu, are the main output device of a computer. Input output devices, technologies and techniques evaluation. Monitor and the printer are the commonly used output devices. Inputoutput devices and interaction techniques 2004.
When the computer gives the printout, it is the output. They are required to enter data and instructions in a computer so that the computer can process that data and provide the result to the user. Quiz is useful for ibps clerks, po, sbi clerks, po, insurance, lic aao and for all types of banking exams with pdf. Input and output devices 2 goals provide practical introduction to the hardware required for virtual environment and 3d interaction examine common and state of the art io devices. A sheet of paper can be used to both record ideas input and display them output. Port terminal lets you connect to serial port device or to remote computer using nullmodem cable or lan, send and receive various types of data ascii string, binary, octal and hexadecimal, redirect inputoutput data streams into a specified file. Devices input and output unit 4 input output devices.
Output devices projector an output device that can take the display of a computer screen and project a large version of it onto a flat surface. Input is usually given by clicking the mouse or typing on the keyboard. The distinction between output devices and input devices becomes even more blurred in the real world. Cad input output devises ppt authorstream presentation.
The input devices include the mouse, keyboard,microphone e. But when it comes to know about them and how they work, such devices are categorized as input and output devices. Difference between input devices and output devices. Without any input devices, a computer would only be a display device and not allow users to interact with it. It is a very famous cursorcontrol device having a small palm size box with a round ball at its base which senses the movement of mouse and sends. In my last post i have shared about the following job recruitment questions on basic computer technology and internetjob recruitment questions on basic computer technology and internet part1.
Pdf computer input and output devices ingamule siraji. The handout is about the types of computer input and output devices. Below we discuss the variety of peripheral devices used for computer input and output. An input device is any hardware component that allows a user to enter data and instructions into a computer. Output devices monitor features display resolution the resolution of a monitor indicates how densely packed the pixels are. When i draw using a mouse, it is an input to the computer. Exploring and experimenting with output devices for childrens crafts. Many of these are less complex versions of io devices that have been available for larger computer systems. Thanks for sharing us such a nice information l120 resetter epson adjustment program epson wf4720 drivers and software download epson wf4730 drivers and software download. Input devices in programmable logic controllers input devices in programmable logic controllers courses with reference manuals and examples pdf.
For example, just as your brain thinks and allows you to do different activities, cpu is the brain on computer and connects the input and output devices. Now a day computer is one of the most important field for every examinations. It forms images from tiny dots, called pixels that are. Try these tasks and activities to enhance your section 2. In general, the more pixels often expressed in dots per inch, the sharper the image. Input devices in computer an input device is any peripheral piece of computer hardware equipment used to provide data and control signals to an information processing system such as a computer or other information appliance. Without io devices, a user cannot communicate with the computer. So dear reader i have provided top expected gk questions from input and output device of computer. Inputoutput data formats 3d file formats 2d file formats bidirectional conversion iges, step, parasolid, stl bidirectional conversion dxf, dwg import solidworks, inventor, catia v5, i. Touch screens are often used for information kiosks located in department stores, hotels, airports, and museums. In this lecture we will discuss the various input and output devices that are used in 3d user interfaces and virtual environment applications. Hardware of computerinput devices scanner webcam keyboard mouse output devices leds lcd printer speakers storage devices primary storage devices secondary storage devices processing devices cpu. Download fulltext pdf download fulltext pdf interaction styles and inputoutput devices article pdf available in behaviour and information technology 122.
Complete the worksheets after reading the powerpoint above. Provide practical introduction to the input devices used in ves examine common and state of the art input devices look for general trends. Input devices in programmable logic controllers tutorial. You can view the output on the monitor or you can print it on a paper using a printer. In simple terms, input devices bring information into the computer and output devices bring information out of a computer system. These inputoutput devices are also known as peripherals since they surround the cpu and memory of a computer system.
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