Basic input and output devices of computer pdf

Mcq input and output device of computer with answers pdf. The following is a list of the most common input devices which are nowadays found in a computer system. Mcq set2 components of computer gk objective question. Previous mcq set1 basic computer objective gk question answer pdf other computer mcqs mcq input and output device of computer with answers pdf mcq set1 basic computer objective gk question answer pdf. Full lesson for gcse computer science input and output io devices. A standard output device is the computer monitor, which displays text, images, and user interface elements by lighting up thousands of pixels with different colors. It allows the user to point to displayed objects, or draw on the screen, in a similar way to a touch screen but with greater positional. So dear reader i have provided top expected gk questions from input and output device of computer. Devices input and output unit 4 input output devices. Pdf computer input and output devices ingamule siraji. The input output processor is a specialized processor which loads and stores data into memory along with the execution of io instructions. Its bios thats responsible for the post and therefore makes it the very first software to run when a computer is started. However, nearly all examples of human computer interaction require both input and output to do anything useful.

Computer input, processing, output and storage devices. 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. Computers process data input into information output. Input output and interfacing usually a peripheral device will require several port addresses, some for the transfer of proper data, and others for the transfer of status information about the device. Computer basics for kids eastern local school district. Inputoutput devices and interaction department of computer.

Mcqs on input and output devices gk objective question answer exam question answer for competitive exam of govt jobs. This is a ball which is half inserted and by moving fingers on ball, pointer can be moved. Introduction to computers, anatomy of computers, input and. An output device works by receiving a signal from the computer and using that signal to perform a task to display the output. Status information is used inter alia to implement another level of handshaking see later. Computer inputoutput ports and interfaces 1 terms and abbreviations. Lesson plan computer devices introduction to basic. I hope it clears the concept of input and output devices. Pdf input output storages devices in computers researchgate. Input output devices are usually called io devices.

Are the beginning and end of all processes, instructions executed in the machine. Monitors graphic plotter printer monitors monitors, commonly called as visual display unit vdu, are the main output device of a computer. Input and output devices introduction the unit 4 presents the information of input and output devices. Monitors and printers are two of the most commonlyknown output. A number of input output devices are used with many types of microcomputers. It fundamentals multiple choice questions and answers. It acts as an interface between system and devices. For the love of physics walter lewin may 16, 2011 duration. Many of these are less complex versions of io devices that have been available for larger computer systems. It is the process of capturing or acquiring the information, or it is the process of accepting data or information, by using input the computer can do any process.

Act as a intermediary between the user and the machine in the process of communication. Nurizah binti ramli 10d0124 introduction to basic computer. On a computer keyboard input device, if you type h, it sends inputs a signal to the computer. In simple terms, input devices bring information into the computer and output devices bring information out of a computer system. The devices which are used to input the data and the programs in the computer are known as input devices. Input and output devices allow the computer system to interact with the outside world by moving data into and out of the system. 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.

Inputoutput devices and interaction techniques 2004. 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. Select an item that would be used as output device on a computer system. A computer monitor with a calculator program displayed. Conclusion input and output devices are indispensible components of a personal computer. Bios, which stands for basic input output system, is software stored on a small memory chip on the motherboard.

The keyboard arrangement provided as standard on most keyboards is. The computing literature often draws a sharp distinction between input and output. Input is usually given by clicking the mouse or typing on the keyboard. The devices which are used to give data and instructions to the computer are called input devices. An input device is any hardware component that allows a user to enter data and instructions into a computer. Name the four basic components of a computer system.

Following on from lesson 2, this lesson covers common input and output devices, including computer accessibility for disabled users. Usually the input device in a computer is the keyboard. Inputoutput devices are required for users to communicate with the computer. Teachers, feel free to download computer devices lesson plan. Job interview questions on basic computer technology and internet part2. Input and output devices bangladesh open university. 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. Since the whole device is not moved, a track ball requires less space than a mouse. Conscious output is muscularly mediated communications. 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. Multiple choice questions on it fundamentals topic input output devices. Input and output devices of computer computer notes. Practice these mcq questions and answers for preparation of various competitive and entrance exams.

Following are few of the important output devices which are used in a computer. A directory of objective type questions covering all the computer science subjects. For example, below is a basic list of steps of how an output device works. List of input devices, output devices and both input.

There are many other ways a computer could output data. A light pen is a computer input device in the form of a lightsensitive wand used in conjunction with a computer s crt tv set or monitor. Input and output devices of computer input and output. Output devices allow us to receive information from the computer. Understanding the classification of computer input, processing, output and storarage devices in accordance to their function helps students or computer users clearly distinguish between the various components of the computer system computers devices are components that helps to make the computer system interacts within itself and its enviroment. An input device is a piece of hardware that is used to enter data into a computer. The devices are usually used for display, projection, or for physical reproduction. They are directly connected to an electronic module inside the systems unit called a device controller. Output device can produce the final product of machine processing into a form usable by humans. So you can give examples and also a little about keyboard. For example, the speakers of a multimedia computer system are directly connected to a device controller called an audio card such as a soundblaster, which in turn is connected to the. Here, i am going to share about the list of basic input devices, output devices and both input output devices related to computer.

Input device captures information and translates it into a form that can be processed and used by other parts of your computer. Includes teachers powerpoint, activity, worksheet, and plenary. Computer output devices receive information from the computer, and carry data that has been processed by the computer to the user. These inputoutput devices are also known as peripherals since they surround the cpu and memory of a computer system. Track ball is an input device that is mostly used in notebook or laptop computer, instead of a mouse.

Every computer performs the basic functions of input, processing, storage, output. What component of a computer is considered the brain of a computer. Introduction to computers, anatomy of computers, input and output devices. Output devices provide data in myriad different forms, some of which include audio, visual, and hard copy media. Introduction of inputoutput processor geeksforgeeks. Thus we begin with the basic issues relating to display brightness, uniformity, and spatial and temporal resolution. A track ball comes in various shapes like a ball, a button and a square.

The input device converts the data into the computers own internal code. It is the transformation process to convert the input into output. In the above program the insertion operator computer science portal for geeks in the standard output stream cout which is then displayed on screen. Bios basic input output system is the program a personal computer s microprocessor uses to get the computer system started after you turn it on. It involves a sequence of events to executing io operations. Projectors are often used in meetings and presentations so that everyone in the room can view the presentation. 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. It also manages data flow between the computer s operating system and attached devices such as the hard.