The outputs might be to motor starter coils, solenoid valves, or similar things. This document is highly rated by computer science engineering cse students and has been viewed 4718 times. Inputoutput devices and interaction department of computer. Advantages and problems important concepts and terms chapter summary 3. Pdf input output storages devices in computers researchgate. Contents external devices io modules io techniques programmed io interruptdriven io interrupt processing intel 82c59a controller direct memory access io channels and processors the external interface. This chapter describes how the inputoutput interface capabilities of the raspberry pi rpi can be enhanced and extended using lowcost modules. Such devices convert between the external means of recording information required by the user, such as punched holes or printed characters, and the internal means of storing information inside the computer, such as. Examples of io devices categorized by a typical data rate. These scan through very thin slices of the object by the use of xrays, gamma rays and radio frequencies. The devices which are used to input the data and the programs in the computer are known as input devices. 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. These scanned images are then used in computer aided design cad, or sent to a d printer to take a 3d printout.
Output devices output devices any peripheral that receives or displays output from a computer. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Define the physical components of hardware for a computer system, including identifying internal hardware devices identify external hardware devices and peripherals, define software as programs for controlling the operation of a computer. A symmetric input output table rearranges both supply and use in a single table. Exploring raspberry pi interfacing to the real world with embedded linux. For the lvds transmitter and receiver, the cyclone devices input an d output pins support serialization and deserialization through internal logic. Input and output devices introduction the unit 4 presents the information of input and output devices. Describe the features and different types of monitors and printers. Types and components of computer systems learning objectives when you have finished this chapter you will be able to.
Page 1 cover i spy game page 2 instructions i spy game page 34 clue sheet i spy game other activities page 5 unscramble page 6 word search page 7 page 8 cross word puzzle page 9 circle input or outp. Keyboard,mouse,joystick,scanners,digital camera, bar code reader, touch. Class iv computer chapter 1 input and output devices by. This chapter describes how to use cy clone io pins for lvds and rsds. Input devices as well as output devices are a neccessity in order to ensure. You can view the output on the monitor or you can print it on a paper using a printer. Short questionsopen long questionopen 9th class notes links. The above pdf is based on input and output devices and contains the following.
Generic io module why not connect the peripherals directly to the bus. Chapter9 input and output operators introduction the input output operations are done using library functions cin and cout objects of the class iostream. Input and output devices can be classified as giving signals that are discrete, digital or analog figure 1. Devices input and output unit 4 input output devices. This chapter is a brief consideration of typical input and output devices used with plcs. Chapter overview interacting with devices agenda motivation objectives input devices. So dear reader i have provided top expected gk questions from input and output device of computer.
Computer devices computer input and output devices 992019 designed by. Devices giving discrete or digital signals are ones where the signals are either off or on. Ncert solutions for class 9 foundation of information. Input output devices slide 1058 trackball commonly used in laptop notebook computers ball to be rolled with fingers click buttons 151. Input and output devices input devices allow us to send information to the computer. Slide 158 learning objectives in this chapter you will learn about. So, to function, a computer system requires four main aspects of data handling i.
Here we take an overview of some common and popular devices. Mcqs on input and output devices gk objective question answer exam question answer for competitive exam of govt jobs. Chapter 7 inputouput circuitry inputoutput circuits io pads are intermediate structures connecting internal signals from the core of the integrated circuit to the external pins of the chip package. Magnetic ink card readermicr micr input device is generally used in banks because of a large number of cheques to be processed every day. This chapter discusses each device type, and provides tables of their deviceparameters. Input and output io devices, also called peripherals, are used for transferring programs and data into the computer, or for transferring results back to the user. Most modern monitors can display 1024 by 768 pixels, the svga standard. A number of inputoutput devices are used with many types of microcomputers.
Parepare these question answer and get success in annual exams. Counter increments until dac output becomes just greater than. Mcq input and output device of computer with answers pdf. Now a day computer is one of the most important field for every examinations. Output devices examples of output device printer monitor. Advantages and disadvantages of nonkeyboard input devices 92. Ingamule siraji 1 a computer is an electronic device that works.
It is accompanied by a printable worksheet that makes it. Developers are concerned about the performance features of not only the processor, but also all input, storage, and output devices. Inputoutput i o devices commonly used input devices commonly used output devices. Inputoutput devices slide 1558 image scanner input device that translates paper documents into an electronic format for storage in a computer electronic format of a scanned image is its bit map representation stored image can be altered or manipulated with an imageprocessing software 153. Pdf computer input and output devices ingamule siraji. Input output devices electronics and communication engineering ece notes edurev is made by best teachers of electronics and communication engineering ece. Input is usually given by clicking the mouse or typing on the keyboard. Input devices are used to provide data or information to the computer. Counter increments until dac output becomes just greater than unknown input.
Ccoommppuutter er ffununddaammenenttaallss ref page chapter 9 input output devices slide 14 58 data scanning devices input devices that enable. Pin personal identification number atm automatic teller machines trackerball. Output device can produce the final product of machine processing into a form usable by humans. Input devices a keyboard it is a text base input device that allows the user to input alphabets, numbers and other characters. This is the post on the topic of the 9th computer chapter 3 input output devices notes pdf.
This format is portable and readable but unsuitable for large data sets because of its great comsumption of disk space and its use of sequential storage. Define combination input and output devices including multifunctional devices, internet telephones, robots. Introduction this is the chapter web page to support the content in chapter 9 of the book. Microphone is an input device to input sound that is then stored in digital form.
Advanced file input and output exercises 1 write a script that will read from a file x and y data points in the following format. It forms images from tiny dots, called pixels that are arranged in a rectangular form. The input devices considered include digital and analogue devices such as mechanical switches for position detection, proximity switches, photoelectric switches, encoders, temperature and pressure switches. Chapter 5 inputoutput devices computer science igcse. Define the physical components of hardware for a computer system, including identifying internal hardware devices. Input output 20172018 comp2120b computer organization dr.
Io devices are used to interact with the computer system. Keyboard,mouse,joystick,scanners,digital camera, bar code reader, touch sreeen,speech input device microphone. In computing, an input device is a 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. The smallest padframe available for the mosis chip fabrication. The summary introduction to the chapter is as follows. Computer hardware equipment used to communicate the results of data processing carried out by a computer to the outside world. This is the most common output device connected with the computer to display the processed information. Many of these are less complex versions of io devices that have been available for larger computer systems. Pdf assinment find, read and cite all the research you need on. Inputoutput io devices commonly used input devices commonly used output devices. It consists of keys for english alphabets, 0 to 9 numbers, and special.
Chapter 9 model input and output museum of natural sciences. In this chapter you will explore the basic components of a computer system including the peripheral devices used for developing multimedia applications. Devices may be programmed in a devicespecific manner, or in a deviceindependent manner. Input and output devices can also be written as io devices. After completing this chapter you should understand. When i draw using a mouse, it is an input to the computer. Input and output devices of a computer system are the devices that connect you to computer. Input output device ppt, computer fundamentals, class computer science engineering cse notes edurev is made by best teachers of computer science engineering cse.
How do you ever wonder how information gets in your computer and how comes out in a form you can use. Keyboard,mouse,joystick,scanners,digital camera, bar code reader, touch sreeen. This interactive quiz will test what you know about types of computer input devices. Monitors graphic plotter printer monitors monitors, commonly called as visual display unit vdu, are the main output device of a computer. Input and output interfaces are discussed in chapter 2. Input devices data glovepolhemus a modern attempt to provide the user with more degrees of freedom common in virtual reality applications polyhemus can provide six degrees of freedom rotation and translation head mounted display although primary a display device, it can also track position and orientation like polhemus space ball six degrees of freedom sphere. Yashi kakkar instructions please click on the link below to download the pdf file s. The microphone is used for various applications like adding sound to a multimedia presentation or for mixing music.
Ncert solutions for class 9 foundation of information technology computer system organisation very short answer type questions question 1. Inputoutput devices slide 58 touch screen most simple, intuitive, and easiest to learn of all input devices enables users to choose from available options by simply touching with their finger the desired icon or menu item displayed on the screen most preferred humancomputer interface used in. Input output devices slide 9 58 mouse commonly used in personal computers and workstations 150 computer fundamentals. Cse 240 89 output to monitor when monitor is ready to display another character. Input output interface an overview sciencedirect topics. Input devices let you to transfer data and user command into the computer system. Chapter 9 inputoutput this chapter covers the following main topics.
Introduction input and output devices are very important for computers, without them,computers will not be as functional. Chapter 4 input and output oakton community college. May communicate with external devices in unpredictable patterns. Basics of information technology and computer science. Jan 05, 2017 the devices which are used to display the results or information are called output devices. Following are few of the important output devices which are used in a computer. Input devices output devices keyboard mouse joystick scanner light pen touch screen monitor lcd printer plotter. When the computer gives the printout, it is the output. For more content related to this post you can click on labels link. Apr 26, 2020 class iv computer chapter 1 input and output devices by ms. It forms images from tiny dots, called pixels that are.
The distinction between output devices and input devices. The post is tagged and categorized under in 9th computer, 9th notes, education news, notes tags. Input and output devices 9th class computer science. Data that has been processed into a useful form, called information p. Monitor and the printer are the commonly used output devices. Capability of handling devices operating at varying speeds with varying delays.
This document is highly rated by electronics and communication engineering ece students and has been viewed 1621 times. Using the standard input and output library, we will able to interact with the user by printing message on the screen and getting the users input from the keyboard. Physics notes full book pdf mathematics notes full book pdf biology notes full book pdf chemistry notes full. Choose from 500 different sets of cis chapter 9 input output flashcards on quizlet. Output devices monitor features display resolution the resolution of a monitor indicates how densely packed the pixels are. This chapter will show you how inputoutput devices work. A computer peripheral that puts text or a computer generated image on paper or on another medium, such as a transparency. Ccoommppuutter er ffununddaammenenttaallss pprradadeeeepp.
Class iv computer chapter 1 input and output devices by ms. The most common input devices hardware designed for capturing data in electronic form audio input types of display devices and how they work types of printers and how they work audio output devices understanding computers. In general, the more pixels often expressed in dots per inch, the sharper the image. Input and output devices 9th class computer science notes.
Monitors, commonly called as visual display unit vdu, are the main output device of a computer. Here, input and output devices are part of the machine that can now be called as a complete computer system. Input devices input devices any peripheral piece of computer hardware equipment used to provide data and control signals to a computer. Keyboard is the most commonly used input device, which can also be used to type commands directing the computer to perform certain actions. See also pen input in the discussion of common pointing devices later in this chapter. These extended wires are pressed against an inked ribbon to print the characters on. Without any input devices, a computer would only be a display device and not allow users to interact with it. M responds to a particular subset of deviceparameters, while ignoring others.