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. It is made of plastic coated with magnetic material. Computer networking devices explained with function. For desktop or server system, they are available in the adapter form which can be plugged into the available slots of the motherboard. In fact modern world will be incomplete without computers and their applications. In simple terms, input devices bring information into the computer and output devices bring information out of a computer system. 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. Nov 27, 2018 input output device based mcq mcqs on input and output devices gk objective question answer exam question answer for competitive exam of govt jobs.
In this post i have updated some important questions with their answer as a mcq format or quiz format for your upcoming competitive examinations. The above pdf is based on input and output devices and contains the following. The basic parts of a computer are shown in the picture given here. Computer hardware is organized according to these basic functions. As if in confirmation of it, we participated a few weeks ago in a technical meeting held through a computer. On many modern systems, usb is used for low performance devices such as these. For example, the image shows an inkjet printer, an output device that can make a hard copy of anything shown on the monitor. 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. The input devices include the mouse, keyboard,microphone e. Input devices input device is any peripheral piece of computer hardware equipment to provide data and control signals to an information processing system such as a computer or other information appliance. Input and output devices of a computer system are the devices that connect you to computer.
One of the primary input devices used with a computer. A computer is an electronic device, operating under the control of instructions stored in its own memory that can accept data input, process the data according to specified rules, produce information output, and store the information for future use 1. Monitors graphic plotter printer monitors monitors, commonly called as visual display unit vdu, are the main output device of a computer. Output devices how it shows you what it is doing the monitor the screen is how the computer sends information back to you. Scanner is an input device which works more like a photocopy machine. Play the magician hat game and identify the input and output in it. Input and output devices can also be written as io devices. The distinction between output devices and input devices. Network devices hub, repeater, bridge, switch, router.
Transceiver is a small device that has the capability of receiving and sending both types of signals. A computer has two types of devices which help the user to enter data into the. Computers and computing devices from different eras. An input device lets you communicate with a computer. With apple computers, finder is considered the default. A pointing device is any human interface device that allows a user to input spatial data to a computer. As their use increases, however, so do the associated risks. It forms images from tiny dots, called pixels that are arranged in a rectangular form. It can quickly store and retrieve large amounts of data.
Computer hardware includes all the electrical, mechanical, and the electronic parts of a computer. Importance of computers in everyday life these days every single person is known with the word computer. Data is stored on magnetic tape in the form of magnetic spots. Its almost impossible to even imagine the modern facilities without the use of computers. It is used when some information is available on a paper and it is to be transferred to the hard disc of the computer for further manipulation.
An output device is any piece of computer hardware equipment used to communicate the results of data. The memory on a computer is stored in data on disks. These practice sets will be very useful for ssc, cgl, chsl, mts, ias, upsc or other government job exams. You can use input devices to enter information and issue commands. For example, a printer is an external device that you connect using a cable, while an optical disc drive is typically located inside the computer. These programs enable computers to perform an extremely wide range of tasks. Other devices include joysticks and game pads used primarily for games. They can be used by the computer to create a picture of whatever the camera had been pointed at.
There are two kinds of viewing screen used for monitors. The devices which are used to give data and instructions to the computer are called input devices. An input device is any peripheral used to provide data and control signals to a computer. Mcqs on input and output devices gk objective question answer exam question answer for competitive exam of govt jobs. A computer is a machine that can be instructed to carry out sequences of arithmetic or logical operations automatically via computer programming. It is slower device than magnetic disk or optical disk.
However, nearly all examples of humancomputer interaction require. Devices input and output unit 4 input output devices. The storage capacity ranges from 128 mb to 16gb and rising. Pdf input output storages devices in computers researchgate. The following is a list of the most common input devices which are nowadays found in a computer system. Following are few of the important output devices which are used in a computer. Input devices pointing devices keyboard optical input devices audio input device video inpu device. Some commonly used inputoutput devices are listed in table below.
Computer processing devices central processing unit. Computer memory is broadly divided into two groups and they are. These parts of the computer and some other devices are. For example, as you can see in the top half of the image, a keyboard sends electrical signals, which are received by the computer as input. Input devices it is an electromechanical device that can be used to enter data and instructions to the computer.
The questions on this quiz will allow you to assess how much you know about these tools and the study of. Identify your body parts that can be compared to computer parts. Output devices impact printer daisywheel similar to a ballhead typewriter, this type of printer has a plastic or metal wheel on which the shape of each character stands out in relief. Pointing devices a pointing device, or sometimes called a pointing tool, is a hardware input device that allows the user to. Explain different types of storage devices perfect computer. The computer as a communication device in a few years, men will be able to communicate more effectively through a machine than face to face. The keyboard looks very similar to the keyboards of electric typewriters, with some additional keys.
For example, with microsoft windows, you can use a file manager to access the files on any storage device. So dear reader i have provided top expected gk questions from input and output device of computer. An input device is any hardware component that allows a user to enter data and instructions into a computer. Modern computers have the ability to follow generalized sets of operations, called programs. Computer input, processing, output and storage devices. A computer is an electronic machine that processes data. The risks of using portable devices pennie walters portable devices like jump drives, personal audio players, and tablets give users convenient access to business and personal data on the go. A peripheral is a device that connects to the system unit and is controlled by the processor in the computer. An electronic device that stores, retrieves, and processes data, and can be programmed with instructions.
Here i am going to share you about list of basic input devices, output devices and both inputoutput devices related to computer. Input devices how to tell it what to do a keyboard and mouse are the standard way to interact with the computer. Some can be both an input device and an output device 3. 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. The sharpness of the image depends upon the number of pixels.
The present computers are much advanced in terms of processing speed and have an efficient. Input devices input is any data or instructions entered into the memory of a computer. Wires connect your cpu to your monitor and other devices. Pointing devices are the most commonly used input devices today. Io devices are used to interact with the computer system. The properties that make these devices portable and enable them to have onthe. Input devices keyboard one of the primary input devices used with a computer. An output device is any peripheral that receives data from a computer, usually for display, projection, or physical reproduction. Computer peripherals are devices used to input information and instructions into a computer for storage or processing and to output the. Data can be entered into a computer by a number of devices. It plugs into almost any usb port in your computer and the data is erasable.
Keyboards allow a computer user to input letters, numbers, and other symbols into a computer uses an arrangement of buttons or keys. In the case of mice and touchpads, this is usually achieved by detecting movement across a. Getting the right input devices for your computer system can make a world of difference in your computer s performance and can improve the quality of your time spent at the screen. A pointing deviceis any human interface device that allows a user to input spatial data to a computer. Monitors and printers are two of the most commonly used output devices used with a computer. An input device is any tool device for entering information into a computer.
Digitizer is also known as tablet or graphics tablet because it converts graphics and pictorial data into binary inputs. Computer hardware includes computer hardware includes 3 system unit 3 peripheral devices 3 input devices i. Computer hardware is an integral part embedded in all modern day automobiles, microwave ovens, electrocardiograph machines, compact disc players, and other devices. Peripherals the term peripherals refers to all hardware devices that are attached to the computer and are controlled by the computer system peripherals can be classified into input devices and output devices. They are devices that enters information into a computer from an external source. Keyboards allow a computer user to input letters, numbers, and other symbols into a computer. Pdf computer input and output devices ingamule siraji. Jul 22, 2018 computer input can simply be efined as the information entered into a computer system including typed text, mouse clicks, etc. When the main memory holds instructions and data when a program is executing, the auxiliary memory or. Getting the right input devices for your computer system can make a world of difference in your computers performance and can improve the quality of your time spent at the screen. In the case of mice and touchpads, this is usually achieved by detecting movement across a physical surface. A graphic tablet as digitizer is used for doing fine works of drawing and image manipulation applications. The computer as a communication device signal lake.
An input device is any peripheral used to provide data and control signals to a. A hammer presses the wheel against a ribbon, which in turn makes an ink stain in the shape of the character on the paper. Below the i o chip are a number of usb universal serial bus connections, which in this depiction enable a keyboard and mouse to be attached to the computer. Since external devices cannot access the internal devices directly, they cannot tamper with the internal devices.
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. Nov, 2018 however, some devices can accept input and display output, and they are referred to as i o devices inputoutput devices. Memory is an internal storage area in a computer, which is availed to store data and programs either permanently or temporarily. A newer storage device is a usb flash drive which is about the size of your car key.
An input device is a piece of computer hardware equipment used to provide. Input devices let you to transfer data and user command into the computer system. The hardware of a computer is not changed frequently, in contrast with software and data. Accessing a storage device on your computer depends on the operating system your computer is using and how its being used. 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. Pointing devices a pointing device, or sometimes called a pointing tool, is a hardware input device that allows the user to move the mouse cursor in a computer program or operating system. Types of computer systems computers are often identified by their size and power. Inputoutput devices are required for users to communicate with the computer. It is the future of computer memory storage devices.
Monitors, commonly called as visual display unit vdu, are the main output device of a computer. This quiz and corresponding worksheet will help you gauge your understanding of the various features of a computer s memory, along with its processing devices. Computer input devices are those responsible for the insertion of data into the computer, that is instructing the computer. The handout is about the types of computer input and output devices. Now a day computer is one of the most important field for every examinations. Input device translate data from form that humans understand to one that the computer can work with. It processes, stores, and communicates information. The system unit focuses on processing, whereas a variety of peripheral devices facilitate input, output, storage, and communication. These inputoutput devices are also known as peripherals since they surround the cpu and memory of a computer system. Computer processing devices free download as powerpoint presentation. It can execute a prerecorded list of instructions a program.
That is a rather startling thing to say, but it is our conclusion. Definition a computer is a machine that can be programmed to manipulate symbols. Job interview questions on basic computer technology and internet part2. Before the invention of transistors, chips and integrated circuits, electronic devices depended. For laptop or other small size devices, they are available in the pcmcia personal computer memory card international association card form which can be inserted into the pcmcia slot. Job recruitment questions on basic computer technology and internet part1. About the basic parts of a computer with devices for kids. Tc1 the digital computer normally consists of the central processing unit cpu, memory, input devices, output devices, and storage devices as shown in fig. Jan 05, 2017 the devices which are used to give data and instructions to the computer are called input devices.
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