A Beginners Guide to Use When Buying a Digital Camera Technology Articles | January 4 nike air vapormax flyknit grise pas cher , 2012 Normal 0 7.8 ? 0 2 false false false EN-US ZH-CN X-NONE ...
Unlike a few years back when you literally got what you paid for; cameras now come with advanced features and they are much more affordable. The advancement of technology has enabled manufacturers to increase their production levels and consequently reducing the price of digital camera brands. It is however important to learn about camera specifications and use them as the determining factor when shopping for cameras.
The resolution of a camera refers to the quality of pictures taken by the camera. The resolution is usually denoted in megapixels and generally higher megapixels indicate that the camera can capture high quality pictures. However nike air vapormax flyknit homme pas cher , different camera brands have produce pictures of different qualities regardless of coming with the same resolution. For instance, a phone which comes with a five megapixel camera still produces lower quality pictures compared to a professional digital camera.
Usually nike air vapormax flyknit noir pas cher , a digital camera will save the images taken in the JPEG file format. It is possible to find cameras which store images in other picture file formats. However, it is wise to stick to cameras which store images in the JPEG format because it is the universally supported file format; when transferring images between the camera and computers.
The exposure is another important specification to note when buying cameras. The exposure generally refers to the camera?s aperture which is the extent to which the lens will open and shutter speed which is the amount of time the lens will stay open. The aperture is expressed in F stops nike air vapormax flyknit bleu pas cher , and at the highest F stop which is expressed at F11 the lens is usually almost closed allowing little or no light to enter into the camera. The shutter speed is expressed in fractions of seconds, indicating how long the lens will stay open at given apertures.
The other thing to note is that there are manual and automatic digital camera models. Most digitals cameras are automatic models nike air vapormax flyknit blanche pas cher , meaning that the camera comes with pre-set functions. An automatic camera is ideal for beginners or recreational photographers who do not know much about camera functions. However, those who want to learn how to take professional photographs will be better off with manual cameras. The focus and flash modes of cameras are usually expressed as automatic and manual. This should not be confused with the overall functionality of the camera; manual cameras still come with both automatic and manual flash and focus options. Beginners are better off going with the automatic focus option nike air vapormax pure platinum pas cher , which automatically places the subject to be photographed in focus for a clear picture.
Question: 1
Refer to Exhibit.
What two items need to be supported on the VoWLAN phones in order to take full advantage of this WLAN configuration? (Choose two.)
A. APSD B. 802.11a C. 802.11e D. WMM E. 802.11r F. SIFS
Answer: C, D
Question: 2
A network engineer for a college dormitory notices that student devices are filling up the SP-DB and are not allowing the shared wireless printers to be discovered. Which feature can be used to reserve space in the SP-DB for the printers?
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