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Advantages and disadvantages about light pens?
It is bad, it is worse, it is worst, and sometimes it is horrble.
the disadvantage is that the skin goes black and who wants to be black and the advantage is that if you want wome one to be black you turn him black :)
One of the advantages is that it allows you to see, because the light reflects off of an object and into your eyes. One disadvantage is the amount of light pollution when star…gazing. Advantage: Plant growth. Disadvantage: Sunburn.
enables the user to draw directly on the screen
Using a light pen can become umcomfortable as it sometimes involves the user having to keep his/her hand up for long periods while, for example, drawing on the screen.
can lose the pen which is not usually attacted to the device.
Durability and Accuracy The light pen's cord is made of durable industrial armor cable. The working parts of the light pen itself are encased in lightweight metal with an anti…-slip coating. The tip is rugged and can take rough handling. The light pen and computer respond instantly when you move it or click on one of the buttons located on the pen's sides. The tip cannot damage the computer screen in any way. Flexibility In addition to having the full range of mouse options, including allowing you to drag and drop, you can use the light pen to directly draw or write on the screen. This makes providing your signature relatively simple. You can use light pens on any size CRT (cathode ray tube monitor). You can also use a light pen simultaneously with a mouse. The amount of work space is reduced when you use a light pen instead of a mouse because you do not need a flat surface to operate a light pen. Maintenance and Value Buying a light pen to use on your CRT computer monitor is cheaper than buying a touch-screen monitor. The same is true for repairs or replacements. A damaged light pen is cheaper to replace than a damaged touch screen. As of 2010, light pens started at about $130 and touch screens started at about $400.The durability of the light pen also makes it economical. While a simple spill can damage your mouse, in most cases it would not phase a light pen. It is easier to keep your CRT computer screen clean if you use a light pen. If you use a touch-screen monitor, you cannot use a light pen and your fingertips will leave smudges from the sweat and natural oils from your skin.
Light pens have the advantage of 'drawing' directly onto the screen, but this can become uncomfortable, and they are not as accurate as digitizing tablets. Advan…tages of the light pen: -Allows you to select objects on a display screen - It has great accuracy -Drawing directly on the screen so it is more accurate -More precise
The advantages of traffic lights are; they control the flow of traffic making it easier for drivers and safer for pedestrians, they reduce the risk of accidents and they lower… the chances of traffic jams, etc.....
advantages : good disadvantages : bad
DISADVANTAGES artificial light earns more energy it is not cost effecient
Advantages: Better visibilityCan be seen by oncoming vehiclesHelp you see at night Disadvantages: Can blind oncoming drivers if high beams are onCan stop working when you leas…t expect it
I'm going out on a limb, but it seems the only possible disadvantages of light in photography are an improper intensity, amount, quality of diffusion or source position of it,… unless you are using photographic materials to capture EMR (electromagnetic radiation) outside of the visible spectrum.
The advantages of light sensors is that they are really good security systems. The disadvantage of them is that they're really easy to set off.
What are two advantages and two disadvantages of the computer mouse track Ball joysticks touchpad light pen digitizing tablet pointing stick?
Mouse pros: Mouse cons: logic and simple to use takes more space than trackpad Trackball pros: Trackball cons: spins fast for quick movement ball becomes dirty with use Joyst…ick pros: Joystick cons: logical for game control not easily used for precision control Touchpad pros: Touchpad cons: requires little space none less fatiguing on the wrist Digitizing tablet pros: Digitizing tablet cons: logical and easy for detailed art requires more space
Street lights help pedestrians to walk safely after sunset. The car drivers find it convenient to drive smoothly,as driving in a highway without street light is a nightmare. W…ell, the hellogene lights emits particles that are injurious to eyesight and human skin. On the humourous note, street lights cause inconvenience to those who commit highway robbery and darkness is the precondition to their professional job !
Using light pen we can wright easily