It responds to a specific set of instructions in a welldefined manner. Types of computer monitors in the world small business. They are still widely used in applications such as computerized cash register systems. The chassis or case is the metal frame that serves as the structural support for electronic components. Such as the am2 socket of the amd and the socket 775 of the intel company. If any component is missing, contact dell technical support. In this lesson you will learn about the main parts of a. The computer monitor is also called an output device. The higher the resolution of a monitor, the more details you can see in the image. Jun 30, 2020 there are two types of flatpanel displays available. Chances are youre reading this on a computer monitor. Electronics computer monitors filter alphabetically.
Devices input and output unit 4 input output devices. Monitor cpu cpu central processing unit is the most important part of a computer. Joystick joystick is also a pointing device which is used to move cursor position on a monitor screen. We also will describe how to keep your monitor operating at diagnostic quality. A small, singleuser computer based on a microprocessor.
Hardware components the computer case contains many of the other hardware. Every computer system requires at least one chassis to house the circuit boards and wiring. These monitors employ crt technology, which was used most commonly in the manufacturing of television screens. Lcd stands for liquid crystal display and although it may seem like this is a new technology it has been used in digital watches for years. The compatibility of the socket depend of the computer processor type. The cpu central processing unit sends instruction to the video adaptor telling what needs. The resolution is a parameter that determines the sharpness and brightness of the pictures in the screen.
This video tell about types of monitorand full form of vdu, crt, lcd, led monitors. Aug 27, 2018 compare 1 st and 30 generation computers. Crt monitors, which are deep in size, look like oldfashioned tvs. Memory slot dimm this is called as dual inline memory module, this is the slot of computer memory or what we called ram. A good computer monitor has a high resolution and refresh rate. The main advantage of a laptop computer is that it is. Modem is a device which converts the analog signals to digital, and viceversa. Computers can be generally classified by size and power as follows, though there is considerable overlap. A computer monitor is a display adapter that displays information processed by the computers video card.
Mcq input and output device of computer pdf download. Our editors independently research, test, and recommend the best products. While the term computer can apply to almost any device that has a microprocessor in it, most people think of a computer as a device that receives input from the user through a mouse or keyboard, processes it in some fashion and displays the result on a screen. This type of communication is possible by using the modems. A standard vga connector has 15pins and other than connecting a computer to a monitor, you may also use a vga cable to connect your laptop to a tv screen or a projector. Types of computers on the basis of principle of construction computers are divided into three types. Some monitors can be purchased on a budget, while others are. Hdmi highdefinition multimedia interface hdmi transmits and protects ed digital video and audio.
Basic computer operation tutorial more on monitors. They were very common in the early days of computing, from the 1960s through the 1980s, before color monitors became popular. If you werent already aware, there are people in your companys it department that can see all if they need to. These monitors are the most popular types of touch screen. Televisions and computer monitors share similar technologies, but they apply them in different ways. However, all computers have the following components. Electronic organizers and palmtop computers and embedded computers d. Thus, a computer must have a system to receive information from the outside world and must. This allows the receiving transducer to locate the touch point and send this data to the computer. These types of computer systems are discussed in detail in section 3. The cpu uses the monitor to show us photos, movies and games. Now, its nearly impossible to find a new crt monitor. Compared with crt displays, they use less electricity. This method of instructing a computer to perform a given task is referred to as entering a command.
This white paper provides practical guidelines for the selection of the right monitor for the right diagnostic application. A computer monitor, technically termed as visual display unit is an output device that presents the information from the cpu on the screen working as an interface between cpu and the user. This monitor is a special type of monochrome monitor. In more technical terms, a monitor is a video output device that displays text, video and. Acer monitors acer predator monitors benq monitors computer monitors curved monitors dell monitors hp monitors led monitors lg monitors samsung curved monitors samsung monitors sceptre m. Your monitor ships with the components shown in the table below. Heres the ultimate example of someone who values his privacy for watching. A monitor usually comprises the visual display, circuitry, casing, and power supply.
It can quickly store and retrieve large amounts of data. Dvid does not have the extra pins around the long pin, this is also a pure digital signal over dvii. Computer hardware are broadly divided into four types. There are three main types of computers, desktops and laptops. Nov 27, 2018 which is the least expensive type of monitor. The traditional, glassscreen, televisionsetlike monitor. Parts of a computer class iii, iv and v thinking of various. Pc monitors come in two different flavors, each of which is known by a popular tla threeletter acronym. The computer screen, or the monitor, is the way that the computer communicates with you.
Feb 21, 2018 one of the most common video connectors for computer monitors and highdefinition tvs is the vga cable. In the world of computing, a computer monitors function is to accurately and clearly display the programs, software or video being shown to the user. A monitor is the visual output device connected to the computer tower. Uk describe the characteristics of a laptop computer and what it is used for, both as a standalone and networked computer laptops refers to a computer where all the components monitor, keyboard etc. These monitors are very similar and use a vga, dvi, hdmi, or displayport, or usbc connector to connect to the computer. A change in electrical current occurs when it is pressed. Display size is expressed by two types of measurement. A cable connects the monitor to a video adaptor or video card which is set up on the motherboard of the computer. If you are not sure what these are and would like an introduction to the different types of computer monitors then here we explain the three main types, as well as the pros and cons of each. Monitor specifications model p2219h p2319h screen type active matrix tft lcd panel technology inplane switching technology aspect ratio 16. This monitor usually has a coat of thin electrically conductive and resistive layer of metal. It is a stick having a spherical ball at its both lower and upper ends. Lcd computer monitor screen is made of various layers of glass, which manipulates this light while displaying on the computer monitor screen. A laptop computer has the same components as a desktop, but the computer, monitor, keyboard and a touchpad are integrated into a single, portable unit.
Mcq set1 basic computer objective gk question answer pdf mcq set2 components of computer gk objective. Other components of a computer 17 ram e ective way to speed up computer i ram. Four things that will get your computer use monitored at work. May 05, 2020 monitors come in two major types, lcd and crt. A computer monitor is an output device that displays information in pictorial form. What is the impact of environmental light on the diagnostic capability of displays in the er or the icu. What are the functions of the monitor of the computer. Monitor monochrome monitor a monochrome monitor is a type of crt computer display which was very common in the early days of computing, from the 1960s through the 1980s, before color monitors became popular. There are various types of monitor such as follows. One is 4k uhd, which is 3840 x 2160 pixels, and the other is dci 4k, which is 4096 x 2160 pixels. There are many different types of computer monitors.
Most of the time, theyre busy with other things, but these four activities will likely put you under the microscope. Size traditionally refers to the computer s physical mass, whereas power refers to the computer s speed and the complexity of calculations it can carry out. It displays picture and images in real time, allowing one to interact with the computer, activating and running its programs at will. Dvi port on computer see image below however there are 2 types of dvi, dvii and dvid. Basic computer hardware based notes in pdf free download. Ahmed, a class ix student is asking his father to replace his home computer crt monitor with lcd monitor. These differences are based on the brains ability to process information from a distance televisions as opposed to up close computer monitors. Vga and dvi are older connections, whereas hdmi, displayport, and especially usbc are newer. Contrary to sequential computers that use a single cpu to solve a problem, parallel computer systems employ many cpus in appropriately connected structures.
This new class of computers comprises multiprocessors, multicomputers, and vector supercomputers. A visual guide to computer cables and connectors digital. Color monitors are used to display graphics in high resolution. The front portion of the monitor is called the screen, or display. Such devices are more effective because they are not harmful. There are about 10 basic resolution types that exist within the mentioned three types of monitors. These computers are as powerful as desktop but size of these computers are comparatively smaller than laptop and desktop. A monitor usually comprises the display device, circuitry, casing, and power supply. Types of computer systems computers are often identified by their size and power. Youll find it easier to get work done, enjoy less eye strain and of course, enjoy bigger, higher quality video. Definition a computer is a machine that can be programmed to manipulate symbols. It can execute a prerecorded list of instructions a program.
They interpret electrical signals from computers and project them onto the screen. Random access memory, the store of working memory on the computer i the random means that any storage area can be accessed, without having to go in sequential order i the amount of ram is at least as important. The type of monitor that you use on a computer can affect your work space and your wallet. Monitors that use tn can have a poor image display in very fast animations. Mcq input and output device of computer with answers pdf. The mouse learning how to use the input device, the mouse. Personal computers pcs, laptops and minicomputers b. Oled is another type of monitor thats an improvement on lcd, providing even better color and viewing angles but also requiring more power. Grayscale monitors are mostly used in hospitals such as xrays, this monitor is used a lot. Until a few years ago, most everyone used a crt cathode ray tube monitor. The cathode beam cylin d er screen is one of the oldest types of computer display devices. Thin plastic display stands have to use for lcd displays, main motive to design for that computer monitor screen is to decrease the physical boundation for placing on the desk. Anatomy of a computer as with most products, computers are designed in a variety of ways.
Actual personal computers can be generally classified by size and chassis case. Youtube user brusspup shows how to make a diy monitor that only you can see through special glasses. Differentiate between analog and digital computers. These monitors display the output of the rgb variants. Computer hardware refers to the physical parts or components of a computer such as monitor, keyboard, computer data storage, hard drive disk, mouse, system unit graphic cards, sound cards, memory, motherboard and chips, etc.
Crt stands for cathoderay tube and is a technology has been around for a long time. Some items may be optional an d may not ship with your monitor. The display device in modern monitors is typically a thin film transistor liquid crystal display tftlcd with led backlighting having replaced coldcathode fluorescent lamp ccfl backlighting. What are the 3 different types of monitors for computers. Traffic control with the help of computers the problem of traffic control can be solvedcoordination, synchronization, fallback, diversion. Monitors are electrical devices used to display pictures and videos on devices such as personal computers. Lcd stands for liquid crystal display and although it may seem like this is a new technology it.
In addition to the microprocessor, a personal computer has a keyboard for entering data, a monitor for displaying information, and a storage device for saving data. A monochrome monitor is a type of crt computer monitor in which computer text and images are displayed in varying tones of only one color, as apposed to a color monitor that can display text and images in multiple colors. Monitors are electrical devices used to display pi. As shown in pic 1 these monitors employ crt technology, which was used most commonly in the manufacturing of television screens. When the panel is touched, a portion of the wave is absorbed. Find out all about it, including dot pitch, refresh rates and the signals flowing along the graphics cable. Lcd monitors are much thinner, use less energy, and provide better graphics quality. Computer cable types and descriptions no longer in use. Types of user interface command line interface cli a commandline interface is a mechanism for interacting with a computer operating system or software by typing commands to perform specific tasks. There are, however, major similarities regardless of the brand e. Common categories of computer systems include supercomputers, mainframes, and microcomputers. Fundamentals of computer notes chapter 1 in pdf 9th class. We tested monitors from lg, acer, and more to help you pick the right one for your computer. No matter how you use your computer, a fantastic monitor can enhance the experience.
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