Input, processing, and output devices a pc in every home february 3, 2000 ford will make available to all 330,000 employeeshourly and salariedan hp pavilion pc, an hp deskjet printer and access to the internet from their homes. Looking inside the computer system ruforum institutional. Input hardware exists in many different shapes and sizes, and are tailored specifically for particular systems. Software refers to the programs that you use on your computer like a word processing program or the programs that make your computer work you physically cannot touch these. The hard drivethe motherboardmemory cardram random access memorycpu central processing unit. It processes, stores, and communicates information. 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 processing devices central processing unit. This one component, or chip, is responsible for all primary number crunching and data management. Methods and types of data processing most effective methods. A processing device is any component in a computer that manages the storage and retrieval of information. 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.
Introduction computer being a versatile machine can process different types of data. A hammer presses the wheel against a ribbon, which in turn makes an ink stain in the shape of the character on the paper. Typical examples of processing devices include centralprocessing units, computer motherboards, network cards, graphicsprocessing units and sound cards. Storage devices vary in size and the manner in which they store and retain data. Computer processing devices are those devices directly responsible for the transformation of data into information. Data processing techniques types of computer memory. It is actully the process of transforming input information data into output.
For example, in the diagram below, the cpu is the processing device. For example, in a point of sale terminal, the item code entered either manually or using a barcode reader looks up the item description and price from a reference file stored on a storage device. Software the programs or instructions that tell the computer what to do, such as word processors, spreadsheets, and databases. About basic computer hardware every part of your computer is the result of years of research and development. Devices responsible for sole processing are considered as processing unit. So, the processing device is responsible to handle by controlling the storage and retrieval of data.
Computer input, processing, output and storage devices. Known today as the computer, there are many things that make a computer tick. Data processing techniques types of computer memory input output devices data processing, storage, and io devices data processing techniques data storage bit, byte, ram, rom, cache memory, and. Computer dictionary definition for what processing device means including related links, information, and terms. Output devices how it shows you what it is doing the monitor the screen is how the computer sends information back to you. Examination boards and printing press use mechanical data processing devices frequently. Cpu controls all the connected input and output devices. Computer processing is the means by which computer programs and instructions are being executed. 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. Central processing unit the most important component of any electronic computer is the central processing unit. Output devices monitor features refresh rate the refresh rate is the number of times in a second that a monitor draws the data. Definition a computer is a machine that can be programmed to manipulate symbols. This quiz and corresponding worksheet will help you gauge your understanding of the various features of a computers memory, along with its processing devices.
Play the magician hat game and identify the input and output in it. Pdf in this work, we are going to design data processing device dpd for energy efficient data. Data processing techniques types of computer memory input. Software refers to the programs that you use on your computer like a wordprocessing program or the programs that make your computer work you physically cannot touch these. It is a very famous cursorcontrol device having a small palm size box with a round ball at its base which senses the movement of mouse and sends corresponding signals to cpu when the mouse buttons are pressed. Output devices any piece of computer hardware equipment used to communicate the results of data processing carried out by a computer to the outside world. Processing devices are those devices which are used for processing the computer system. Processing devi ces a computer is termed as data processing machine which accepts data and then stores or processes data immediately and display the output for the user. A simple model of a computer input processing cpu output storage 4. Examples of a process device can be known as the workings of a computer, here you will find some example of this.
Its goal is to simplify computer programming for visual artists, providing new classes and mathematical functions. Data and set of instructions are given to the computer as input and the computer automatically processes the. Inputoutput devices are required for users to communicate with the computer. A processing device is any device in a computer that handles the intermediate stage of processing the incoming data. It forms images from tiny dots, called pixels that are arranged in a rectangular form. Computer processing devices central processing unit computer. A central processing unit cpu, also called a central processor or main processor, is the electronic circuitry within a computer that executes instructions that make up a computer program. Input and output devices school of information technology. Identify your body parts that can be compared to computer parts. Information processing cycle with diagram computer. Depending on the architecture used computer systems can have only one processor, often called cpu central processing unit, or more than one processor connected to work in a cooperative manner. A graphic tablet as digitizer is used for doing fine works of drawing and image manipulation applications. Data input the collected data is converted into machinereadable form by an input device, and send into the machine. This includes hardware for input, output, processing and storage.
Central processing unit cpu graphics processing unit gpu. As we know computer understand only machine language. So dear reader i have provided top expected gk questions from input and output device of computer. 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.
A central processing unit is the control center of a computer. Some of the most common processing devices in a computer include the following. Computer devices information literacy lumen learning. In order for a computer to perform useful work, the computer has to receive instructions and data from the outside world.
The flow of data in an information system requires specific hardware for each phase. What are 10 examples of processing devices answers. Rom the permanent memory that is built in your computer. They can be used by the computer to create a picture of whatever the camera had been pointed at. The processor is the main component in the system unit capable of interpreting computer program instruction and processes data. There are many input and output devices such as multifunction printers and computer based navigation systems that are used for specialised or unique applications. Its goal is to simplify computer programming for visual artists, providing new classes and mathematical functions for creating and processing computer graphics. The more ram thats installed on a computer, combined with a cpu that has a high processing speed, the stronger the computing power will be. Mcq input and output device of computer with answers pdf. Nov 16, 2019 a processing device is any device in a computer that handles the intermediate stage of processing the incoming data. Jul 22, 2018 computer processing devices are those devices directly responsible for the transformation of data into information. Input devices how to tell it what to do a keyboard and mouse are the standard way to interact with the computer. These events are similar as in case of data processing cycle. In microcomputer, the processing unit is known as the microprocessor.
Mcqs on input and output devices gk objective question answer exam question answer for competitive exam of govt jobs. The flatpanel display refers to a class of video devices that have reduced volume, weight and power requirement in comparison to the crt. Scanning devices are input devices used for direct data entry in to a computer system. There are many input and output devices such as multifunction printers and computerbased navigation systems that are used for specialised or unique applications. Input, processing, and output devices a pc in every. 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. Processing is a term that describes the process of a software program manipulating or extracting data from a stored file 3.
For example, in a computerized education environment results of students are prepared through a computer. A processing device is a machine that stores, retrieves and processes data. Computers are fed data, process that data with codes and produce results. Parts that were once hand made at a cost of thousands of manhours are now mass produced for a fraction of a rupee. The refresh rate for a monitor is measured in hertz hz the standard refresh rate is 75hz, this means that the monitor redraws the display 75 times per second. Devices that exist outside the computer case are called external peripherals, or auxiliary. Other devices include joysticks and game pads used primarily for games. The computer industry used the term central processing unit as early. Monitors, commonly called as visual display unit vdu, are the main output device of a computer. Current uses of flatpanel displays include calculators, video games, monitors, laptop computer, graphics display. These inputoutput devices are also known as peripherals since they surround the cpu and memory of a computer system. Any device has to be connected to the cpu to receive or send information. Typical examples of processing devices include central processing units, computer motherboards, network cards, graphics processing units and sound cards.
It is so important that whole generations of computer technology are based and measured on each new and. The hard drive the motherboard memory card ram random access memory cpu. What are some examples of computer processing devices. Computer may run without secondary memory and this is slower than primary memory. Other p ieces of hardware are common ly referred to.
These devices are used to get data into the computer system. Nov 27, 2018 mcqs on input and output devices gk objective question answer exam question answer for competitive exam of govt jobs. Processing is a graphics library and ide based on the java programming language, first released in 2001 by developers casey reas and ben fry. Download for offline reading, highlight, bookmark or take notes while you read computer fundamentals mcqs. Tc1 the digital computer normally consists of the central processing unit cpu, memory, input devices, output devices, and storage devices as shown in fig. Processing devices the central processing unit cpu is the heart and brain of the computer. Now a day computer is one of the most important field for every examinations. These devices are responsible for storing and retrieving information. Hardware the physical components of the computer system, such as the hard drive, disc drives, and modem. It only processes the information given by the input devices and sends the result to the output devices the cpu is neither an input nor an output device. Pdf processor specific data processing device dpd design for.
In simple terms, input devices bring information into the computer and output devices bring information out of a computer system. Computer processing devices 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. Dec, 2016 data processing techniques types of computer memory input output devices data processing, storage, and io devices data processing techniques data storage bit, byte, ram, rom, cache memory, and. Computer processing devices free download as powerpoint presentation. A cpu is a complex integration of millions of transistors that execute program instructions and manipulate data. You can hang them on walls or wear them on your wrists. Lookup information is that information that is stored in a separate file but is required during processing. Electronic data processing or edp is the modern technique to process data. For todays basic user and personal computer shopper. Generally it has two buttons called left and right button and a wheel is present between the buttons. Digitizer is also known as tablet or graphics tablet because it converts graphics and pictorial data into binary inputs. The cpu performs basic arithmetic, logic, controlling, and inputoutput io operations specified by the instructions in the program. Processing of large amount of data with high accuracy is almost impossible which makes it best among the available types of data processing.408 1067 260 854 581 322 790 1199 872 661 957 1154 166 409 876 859 554 327 153 1157 1005 1217 1329 496 911 1369 159 998 897 1128 419 316 780 203 1416 34 1351 1119 1454 206 1493 898 1080 80 1153 966 544 563