Show Which of the following is an output device?A. OMRB. MICRC. PrinterD. KeyboardAnswer Verified Hint: An output device is a device that provides the user with the result of a computer process. We can see the result of the output device either by physically touching it or hearing it or by seeing it, etc. Complete step by step answer: MICR: MICR or Magnetic Ink Character Recognition, is a character recognition technology that is used to read characters in specified format. It is mostly used by the banking sector to read certain identifiers in the document, like cheque number, bank account number etc. The information is encoded in a MICR line. MICR is faster than OMR. Since it takes input from the user, it is an input device. Printer: Printer is a device used to print/ represent graphics or text on paper. It takes documents on the computer and turns them into a hard copy. Since it gives the result of a computer process, it is an output device. Keyboard: Keyboard is a typing device, used to input text to the computer. It consists of mechanical keys representing letters, symbols and numbers along with other functional keys. It is one of the principle ways to control the computer. Since it takes input from the user, it is an input device. Therefore, the correct option is C. Note: Students should remember the basic functions of the various peripherals of the computer.
The Output Devices of Computer System are electromagnetic devices or gadgets that accept or acknowledge data or information from the computer system and translate and convert the data in the human-readable or intelligent form. Generally, the output can be obtained and acquire mainly in two distinct and different ways Softcopy and Hardcopy. At the point when handled data or information is stored in , computer memory is given to an output unit then this processed or prepared data or information is displayed to the user in such a way that they can easily read For Example, when the user’s data is displayed or shown on a screen of their monitor this is called softcopy you cannot touch or feel the data or instruction or information. This data can be text, content, or images. At the point When the user or client receives data in the form of a print out whether it be a text or image, the user can touch the data this is called Hardcopy.  Also Read::
The output devices can be classified into the following types and the Complete list of output devices are as follows::
Monitors They are likewise called VDU (Visual Display Unit) the screens are massive in size, devour more power, and require the part of a room to fit. They seem to be like TV. Computer Screens are primarily used to show the handled outcome and result from computer memory to their screen for clients or users. They deliver result in a type of softcopy. Monitors have CRT (Cathode Ray Tube) which is utilized to show data or information. CRT Contains an electron gun the electronic beam controlled by an electromagnetic field and a display screen. Pictures on the computer screen are shaped with picture components called PIXEL. The Screen is covered with phosphor in a framework of dots. The electronic gun radiates an electron pillar, which is coordinated towards the phosphor-covered display by an electromagnetic field and in this way makes a picture on the screen. Computer monitors can be dark and white (Monochrome). The utilization of monochrome It does not exist these days as they are outdated or out of fashion. Screens arrive in a wide range from 7 inches to gigantic 55 inches diagonally. The QUALITY of the monitors depends enormously on the determination and resolutions of PC screens. Pictures are framed on the screen in the arrangement of spots or dots which are commonly called PIXELS. Touch Screens Touch screens are considered as one of the types of output devices or output gadgets. Touch screens can show the data and information to the client or users alongside accepting the information through touch screens it doesn’t require input devices of computer system, for example, keyboard or mouse for communication. It has a display section that has a sensor that detects the presence of a touch that can be of your fingers or pen shape stylus or some other input devices or gadgets. As the client or user touches, the screen the sensor distinguishes the presence and finds the touch inside the graphical zone of the screen. Touch screens are considered as both inputs as well as output devices. Touch screens can be utilized as a part of mobile phones, PDA, and can be utilized and used in modern-day computers. LCD Monitors and LED Monitors This type of innovative technology is used widely in almost all upgraded devices. These screens are more slender and little in weight and do not need huge space for installation, they devour or consume less power and heat when contrasted or compared with CRT Monitors. They consume or devour less electricity and power, therefore, they are primarily used in devices that utilize a battery as their secondary source. For Example laptops and notebooks. They are an Electro-optical sufficiency modulator that is thin and utilizes flat display gadgets which are comprised of an enormous number of shading, colors, and monochrome PIXELS arranged before a light source or reflector. At the point when seen with various edge and act their color, brightness, and brightness differs marginally. Also Read ::
Printers as an Output Device of Computer and Their TypesPrinters are the prime example of OUTPUT DEVICE of the computer system. They are peripheral devices or electronic gadgets that produce output or outcomes on paper. which are called HARDCOPY. Printers are associated with modern-day computers or PCs by means of USB or LPT Port with printer cables. Nowadays for quicker preparation and processing USB cables are used. Printers come in a large variety of sizes and printers with a particular task or for special purposes that have been created and manufactured for speedier, precise, and errand driven printing. For instance, the printing of pictures or photographs specific printers can be purchased from the market. The speed of the printer can be described as the time taken to complete a single printout which varies from printer to printer. The speed of printers can be measured in CPS [Character Per Second], LPS [Lines Every Second], PPS [Pages every Second], The speed of obtaining printouts depends entirely on the quality of the printer and the manufacturer. Printers can be classified in two types
IMPACT PRINTERS A hammer strikes the paper through the inked strip, the printer has a component that touches the paper with a specific end goal to make content or pictures. They deliver low nature and quality of printouts while printing they create noise as the hammer hits the paper through the inked strip. This movement makes an irritating noise. They are tranquil less expensive and slow as compared with non-impact printers. The Speed of the impact printer is measured in CPS [Character Per Second] and LPM [Line Per Minute]. DOT MATRIX
PRINTER The dot matrix printer is broadly utilized and used as a part of substantial large associations where mass volumes of printing assignments must be finished. Dot-matrix printer is generally utilized as a part of printing receipts and bank statements because of its low-quality outputs. Many firms and organizations utilize and use Dot matrix printers for a high volume of printouts where quality is secondary. This is the least expensive and famous impact printer. The printing rate of the dot matrix printer is 30 to 140 CPS where CPS stands for a character every second. Dot Matrix printer utilizes predominantly two types of printing style.
They utilize a print head comprising of a progression of little sticks to hit a lace or ribbon with ink when these pins strike the paper the ink is exchanged on the paper at the point of contact characters create are in the set of dots or spots design or in a matrix shape, the dot design relies on the pins exhibit in the head area. Dot-matrix printers can have 5,7,9,18,24 sticks on the head area, whereas a 24 stick printer would give high calibre or high-quality Output. NON-IMPACT PRINTERS Laser and inkjet printers are prime examples of non-impact printers. These printers use laser and electrostatic innovation and technology for printing. They don’t deliver any clamour or noise as they don’t touch the paper while creating outputs. They utilize chemicals, warmth, and electric signs for making content and pictures. They are more costly when compared with impact printers, their quality is better, while printing they don’t touch the paper consequently they are quiet and their speed is faster than impact printers. The speed of the non-impact printer is measured in PPM Pages Per Minute. LASER PRINTER Their speed is measured in PPM (Pages Per minute) it can print from 10 pages to 300 pages for every moment. They print page by page. Laser printer utilizes ink which is inside the cartridge called tonner. Static power and warmth are connected to paper for imprinting on paper. Printing is finished by making the picture utilizing a laser bar on the photosensitive surface of a drum. At the point when the paper moves on the drum, the toner is exchanged for the paper and settled into a perpetual picture. Voice Recognisation SystemSPEAKERS
As the speed of the vibration or development builds the frequency of sound increment, and vice versa as the speed of the development of any object diminishes the frequency decreases. Speakers are connected to the sound card of the computer system. A user with speakers and sound cards installed on their PC can hear or play videos, music, etc. To receive output from the speaker it should be connected to Personal Computer when power is given to speakers. The user needs to install a software program to hear sound this software program is commonly called DRIVERS. We can easily download the drivers from manufacturer websites. People also use the speaker when playing games or when they need an output in form of sound Also Read ::
HEADPHONES utilizing and using earphones clients can play and hear sound, music, songs, and recordings, the users can converse with PCs they can make an interpretation of advanced signs into simple signals. In Simple Words, they can translate or convert digital signals into analog signals A portion of the earphones has mike appended to them so the user can use earphones to hear a sound and at the same time use mike to record or give guidelines verbally. At the point when users use earphones, they tune in to their sound alone don’t bother different people around them SOUND CARDS The sound card was used as a separate card that can be installed separately into the computer system, but nowadays the sound card has been pre-installed on the computer or inbuilt sound card featured motherboards are used widely. The sound card can play music, videos are used while playing games are used in the audio presentation, capturing audio and videos and then converting into a human-readable form. PLOTTERS
There are two sorts of plotters::
Plotters are more costly than printers and plotters are outlined and produced for particular assignments for engineers, architects, graphic architects who utilize and use plotters for planning and drawing.
Which following is an output device?Answer: (C) Monitor.
What are the 4 output devices?Output devices. Monitor - The main output device of a computer. ... . Printer - Used to print information on paper. ... . Speaker - Converts digital signals into audible sound waves.. Projector - A device that is used to project video output from the computer onto a wall or screen.. What are the 5 output devices?The various output devices are:. Monitor. A computer's principal output device is a monitor, often known as a Visual Display Unit (VDU). ... . Printer. Printers are information output devices that allow you to print data on paper. ... . Plotter. ... . Projector. ... . Speakers. ... . Headphones. ... . Sound Card. ... . Video Card.. Is an output device answer?Output Device Definition: A piece of equipment/hardware which gives out the result of the entered input, once it is processed (i.e. converts data from machine language to a human-understandable language), is called an output device. For example printer, monitor, etc.
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42 which of the following is an output device
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