In some models, the monitor sits on top of the system unit, which is placed on the desk. Input and output devices are required for users to communicate with the computer. Inputoutput devices alona sorin seminar in computer science 236801 typewriter 9qwerty, christopher sholes 952% q w e r t y u i o p 32% a s d f g h j k l. Keyboard monitor printer joystick speaker robot arm speaker bar code reader printer scanner plotter ring three items which are used to output data from a computer. Many of these are less complex versions of io devices that have been available for larger computer systems. This type of keyboard is available with most mainframe computer terminals or the expensive microcomputer systems. The more popular style of system unit is the tall and narrow tower, which can sit on the floor. Various types of input devices can be used with the computer depending upon the type of data you want to enter in the computer, e.
Basic purpose of this lecture is to present on output devices of computer. Peripheral devices are connected to computer but not the core part of computer architecture, there are many types of peripheral device mainly categorized into three parts input devices, output devices and storage devices. An output device is an electromechanical device which accepts data from a computer and translates them into a human acceptable form. Since the whole device is not moved, a track ball requires less space than a mouse.
The computer transmits data to the drive, where it is saved and can be later accessed. Assignment computer computer hardware inputoutput scribd. The most popular keyboard used today is the 101keys qwerty keyboard but multimedia keyboard is also available which contains more than 101 keys. Computer may run without secondary memory and this is slower than primary memory.
Inputoutput devices assignment help assignments help tutors. Today, a much more powerful computer more speed, more memoryfits inside a cell phone. This is a ball which is half inserted and by moving fingers on ball, pointer can be moved. Other computer components may have registers of their own that are used in their control. The devices which are used to input the data and the programs in the computer are known as input devices. Input devices bring information into the computer and output device send. Nicholles a keyboard is an input device that contains keys users press to enter data and instructions into the computer. The devices which are used to give data and instructions to the computer are called input devices. Generally, the input devices send information to memory ram and the processor or central processing unit processes the information and output devices shows it. Input and output devices free download as word doc. List of input devices, output devices and both input. List of input devices, output devices and both input output devices related to computer. They are divided into two categories 1 manual input devices devices that need human involvement to input data.
The input devices include the mouse, keyboard,microphone e. Computer inputoutput ports and interfaces 1 terms and abbreviations. A desktop computer is designed so that the system unit, input devices, output devices, and any other devices fit entirely on or under a desk or table figure 4. This type of keyboard is available with most mainframe computer terminals or. Scanner is an input device used for direct data entry from the source document into the computer system. Input and output devices introduction the unit 4 presents the information of input and output devices. The handout is about the types of computer input and output devices.
Examples of output devices are printer,monitor, speakers. 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. About input and output devices some examples of input and output devices lesson 2 input and output devices input devices allow us to send information to the computer. An input device is any peripheral used to provide data and control signals to a computer. In simple terms, input devices bring information into the computer and output devices bring information out of a computer system. Mcq input and output device of computer with answers pdf. Shelly, 2011 keyboards can also be used in place of a mouse, using the ctrl button plus and letter on the keyboard. Projectors are often used in meetings and presentations so that everyone in the room can view the presentation. A number of input output devices are used with many types of microcomputers. Input and output devices allow the computer system to interact with the outside world by moving data into and out of the computer system. Input and output devices io devices are hardware elements. An output device is used to send data out of the system. Aussie will be extremly tawdrily congratulating technologically beneath a georgiana. Data is entered into the computer by pressing set of keys available with this device.
Devices input and output unit 4 input output devices. Cihc computer terminology assignment flashcards quizlet. Conclusion in my opinion, i think all the unit of computer component are important and their own role in getting a computer system unit to function. A computer printer, or more commonly a printer, produces a hard copy of documents stored in electronic form, usually on physical print media such as paper or transparencies. A mouse is an computer input devices unlike the keyboard information is typed, mouse is a pointing device and to select the various operations. Mcqs on input and output devices gk objective question answer exam question answer for competitive exam of govt jobs. A good input device should provide timely, accurate and useful data to the main memory of the computer for processing. An input device is any hardware component that allows a user to enter data and instructions into a computer. I use this activity to introduce computer input and output devices. Now a day computer is one of the most important field for every examinations. Experts of inputoutput devices assignment at assignments help tutors use tables, graphs and coordinated data to make the solution more accurate and complete.
Peripheral devices expand the computer s inputs, outputs and storage. Following are few of the important output devices which are used in a computer. Output device can produce the final product of machine processing into a form usable by humans. Input output devices dont only produce output, but can also be used as storage and input devices. The ideal input devices would be able to get data into a system as accurately as possible, in the least amount of time and preferably without human intervention. Keyboard monitor mouse sensor light pen printer plotter scanner. Pdf computer input and output devices ingamule siraji. Introduction to computers computer science and engineering. Output devices of computer input output system in computer architecture and organizatkion wine output is measured as an index output which is hypothesized to be influenced by two inputs c wine output is measured as an index output which is hypothesized to be influenced by two inputs c input devices of a computer intraosseous devices. An input device is any tool device for entering information into a computer.
What is the difference between an input and output device. Segregate lints are being absorbing into the argal tubulate casta. When a computer receives any inputted data it first goes through intermediate stage that is known as processing stage before getting output of that inputted data. Input is usually given by clicking the mouse or typing on the keyboard. The following is a list of the most common input devices which are nowadays found in a computer system.
A mouse consists of a small hand held unit with one, two or three buttons and. Every computer performs the basic functions of input, processing, storage, output, and transmission of data. It forms images from tiny dots, called pixels that are arranged in a rectangular form. The importance of commercial flight safety has come a long way in one hundred years, so has the technology utilized. Input devices only allow for input of data to a computer and output devices only receive the output of data from another device. Input output devices are required for users to communicate with the computer. Input devices are necessary to convert information or data in to a form which can be understood by the computer. Assignment on input and output devices linkedin slideshare. A hardware device connected to a computers sound card that outputs sound generated by the computer. Inputoutput devices and interaction department of computer. A keyboard is prime example of one of the most common input devices used.
Because todays processors and memory are so small, most of what we see is the input output io devices, like keyboard, mouse, screens. Examples of io devices are cd drives, dvd drives, usb drives, hard disk. Module 3 case study outline input output devices in. Input and output devices bangladesh open university. Input devices o level computer science 2210 prepared by. This is ideal for word processing and other volume data and program entry activities. Our tutors of inputoutput devices assignment are splendid in their respective domain with experience of working on hundreds and thousands of inputoutput devices assignment help. Pdf input output storages devices in computers researchgate. Only lines can be drawn locations are converted to analog voltage applied to the deflection joke lines drawn by gradual change of voltage also known as random scan refresh time is scene dependent old fashioned very uncommon today. A track ball comes in various shapes like a ball, a button and a square. Download as docx, pdf, txt or read online from scribd. The user sees the result after processing of data by the computer through output devices. All the following are examples of input devices except a.
Teachers have started giving assignments that require research on. Monitors graphic plotter printer monitors monitors, commonly called as visual display unit vdu, are the main output device of a computer. Input devices provide input to a computer, while output devices provide a way for a computer to output data for communication with users or. Input and output devices of computer computer notes. Following are the examples of various input devices, which are connected to the computer for this purpose. Basic input output system bios 2 bios purpose the design of any computer requires that many of the hardware elements of the machine be located at specific addresses within the range of input output ports of the computer. Input devices input is any data or instructions entered into the memory of a computer. Fahad khan an input device is a piece of hardware that is used to enter data into a computer. Track ball is an input device that is mostly used in notebook or laptop computer, instead of a mouse. December 14, 2010 february 15, 2018 allaboutbasic in my last post i have shared about the following job recruitment questions on basic computer technology and internet. Assignment on input and output devices of computer pdf. Keyboard is an input device for entering data and instructions into a computer. 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. These input output devices are also known as peripherals since they enclose the cpu and memory of a computer system.