The input devices translate the information into the form understandable by computer. Short questionsopen long questionopen 9th class notes links. These devices are also called dual purpose devices or both inputoutput devices. Input and output devices of a computer system are the devices that connect you to computer. Analog signals are continuous and can have any number of statesnot just two, as with discrete digital signals. Mcq input and output device of computer with answers pdf. Chapter 5 inputoutput devices computer science igcse. Io devices are used to interact with the computer system. Output devices notes on data entry for nios online course. Input and output devices input devices allow us to send information to the computer. This section contains lots of files that will help you with your revision. Notes for 3rd class computers input and output devices. Examples of io devices are cd drives, dvd drives, usb drives. Without any input devices, a computer would only be a display device and not allow users to interact with it.
Inputoutput modules are used for interfacing between input devices e. So dear reader i have provided top expected gk questions from input and output device of computer. Sound card plays contents of digitized recordings, speakers attached to sound card. These scanned images are then used in computer aided design cad, or sent to a d printer to take a 3d printout. The table to the right contains practice questions for this section and a range of mind maps.
Magnetic ink card readermicr micr input device is generally used in banks because of a large number of cheques to be processed every day. Mcqs on input and output devices gk objective question answer exam question answer for competitive exam of govt jobs. A sheet of paper can be used to both record ideas input and display them output. The devices that can be used to perform both functions input and output are called dual devices. An input device is used to bring data into the system. Now a day computer is one of the most important field for every examinations. An input device helps you to communicate with the computer. Keyboard is a input device used for entering data into computer by pressing one key at one time. The audio output is the ability of the computer to output sound. The computer transmits data to the drive, where it is saved and can be later accessed. When the computer gives the printout, it is the output. 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. Top 50 inputoutput reasoning questions for ibps clerk mains 2018 free pdf download.
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. With the help of a dual purpose device, we can enter data into computer as well as. Input devices input devices any peripheral piece of computer hardware equipment used to provide data and control signals to a computer. An input device is a piece of hardware that is used to enter data into a computer. Keyboard keyboard is the most common input device used for entering text data directly into a computer. Dear aspirant, as you know computer is very important section to get a good score for bank exam. Unit 8 files and inputoutput streams summary the concept of. Output devices monitor features display resolution the resolution of a monitor indicates how densely packed the pixels are. Input and output devices allow the computer system to interact with the outside world by moving data into and out of the system. It forms images from tiny dots, called pixels that are.
To enter information and issue commands, you use input devices. Input devices let you to transfer data and user command into the computer system. Keyboard and mouse are the most commonly used input devices. A printer is an output device that produces a printout or hard copy of the output from a computer. Following are few of the important output devices which are used in a computer. Input is usually given by clicking the mouse or typing on the keyboard.
This transformation is performed by input interface. The following is a list of the most common input devices which are nowadays found in a computer system. A temperature transducer is an example of an analog input device. Output device can produce the final product of machine processing into a form usable by humans. Dear readers, ibps clerk 2018 examination is approaching very shortly, after seeing the analysis of this year ibps exams you all may conclude that more practice will be need to manage the time efficiently and to score good marks. And also used for interfacing between output devices e. The devices which are used to input the data and the programs in the computer are known as input devices. When i draw using a mouse, it is an input to the computer. Virtually all external devices have buffers, control signals, status signals, and data bits. An input devices converts the data and instructions into binary form that computer can understand. The distinction between output devices and input devices becomes even more blurred in the real world. It gives a detailed listing of the various types of input devices and the output devise. Jinfu li, ee, ncu 3 content coverage main memory system inputoutput system arithmetic. The microphone is used for various applications like adding sound to a multimedia presentation or for mixing music.
Most modern monitors can display 1024 by 768 pixels, the svga standard. The size of a monitor is measured in inches diagonally across the screen. An input device is any peripheral used to provide data and control signals to a computer. It forms images from tiny dots, called pixels that are arranged in a rectangular form.
Monitors, commonly called as visual display unit vdu, are the main output device of a computer. Computer science paper 1 notes o level computer science. What are dual devices or both input output devices. Microphone gives sound or voice input to the computer.
Input and output devices can also be written as io devices. 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. Output deviceoutput devices return processed data that is information, back to the user. Monitor and the printer are the commonly used output devices. Complete o level computer science 2210 guide, latest past papers yearly and topical, all latest computer science o level notes compiled from all web at one place for you. The speed of printers can be measured in characters per second cps or pages per minute ppm, the higher the values are, the faster the printer can produce output. An input device is any hardware component that allows a user to enter data and instructions into a computer. Crt monitor, tftlcd monitor, ipslcd monitor, led monitor, touch screen as an output device, multimedia projector, laser printer, inkjet printer, dot matrix printer, wide format printer, 3d. The chapter has given an introduction to the inputoutput devices. Monitors graphic plotter printer monitors monitors, commonly called as visual display unit vdu, are the main output device of a computer. Input devices a keyboard it is a text base input device that allows the user to input alphabets, numbers and other characters. Introduction input and output devices are very important for computers, without them,computers will not be as functional. They are divided into two categories 1 manual input devices devices that need human involvement to input data 2 automatic input devices devices that do not need human involvement to input data.
Top 50 input output reasoning questions for ibps clerk. Input devices as well as output devices are a neccessity in order to ensure that data is entered into a computer to be processed and the results output. The inputoutput system module 2 3 analog devices in contrast to discrete devices, analog devices are input or output devices that provide or receive analog signals. Input devices are used to give data and instructions to the computer. Data that has been processed into a useful form, called information p. Microphone is an input device to input sound that is then stored in digital form. Hardcopy output refers to printed output printed on the paper or some material that can be touched and carried for being shown to others. Output devices are those devices which display the required result in simple words which display the final result. The above pdf is based on input and output devices and contains the following. Devices input and output unit 4 input output devices. In general, the more pixels often expressed in dots per inch, the sharper the image. Student notes page 1 of 7 k aquilina input devices input is any data or instructions entered into the memory of a computer.
A color monitor can display from 16 to over 1 million different colors. How do you ever wonder how information gets in your computer and how comes out in a form you can use. Input devices output devices keyboard mouse joystick scanner light pen touch screen monitor lcd printer plotter. Physics notes full book pdf mathematics notes full book pdf biology notes full book pdf chemistry notes full. Output devices are used to display the result or information on the computer. Pdf computer input and output devices ingamule siraji. Input device is a device through which data and instruction are entered into computer system. This chapter will show you how inputoutput devices work. Inputoutput devices dont only produce output, but can also be used as storage and input devices. An input device is any tool device for entering information into a computer. A joystick is an input device consisting of a stick that pivots on a base and. Input and output devices 3 lecture outline output devices visual displays audio output tactile and haptic output input devices discrete event devices continuous event devices combination devices speech input the first part of the lecture will describe a number of output devices that stimulate the. Any data or instruction entered into the computer is known as input.
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