The Fresnel zone is a three-dimensional, concentric, ellipse that defines the pattern of radiation in optics, radio transmissions, and other radiation of waves from an origin. Named after the physicist Augustin-Jean Fresnel, these zones calculate optimal signal transmission between two objects where obstructions are present. Radiation, Radio, Sound terms, Transmission, Wave
Alternatively called a K lock or K slot, the Kensington lock is small hole found on almost every portable computer made after the year 2000. Depending on the model of laptop, the hole is located either on the back corner or on the side. Laptops with a Kensington lock hole can secure their portable device with a Kensington lock. The lock is inserted through the hole, with a cable attached around a secure location (e....
Defined in IEC 60027-2, a kibibyte or KiB is 210 and is equal to 1,024 bytes. Kibibyte vs. other data measurements Byte, Kibibit, Kilobyte, Measurements Related information Compare kibibyte and other measurements with our conversion tool. How much is 1 byte, kilobyte, megabyte, gigabyte, etc.?
On a computer, a payload describes the contents of a package. For example, with a virus or worm a payload may be the instructions to delete files from a computer. Another good example of a payload is a network packet, which contains data and is sent over a network. Network terms, Security terms A payload may also have a header to help describe the contents or destination of the payload....
A segment may refer to any of the following: In general, segment refers to the parts into which any object is or may be divided. For example, a text, string, or other data could be broken up into different segments that may or may not be related. With computers, a memory segment or segmentation is a portion of memory that is restricted for use with a current running process. Each is stored in one or more of the segment registers: CS (CodeSegment), DS (DataSegment), SS (StackSegment), or ES/FS/GS (ExtraSegment)....
A typographer is a person who designs the form and arrangement of type to make the written word more legible and aesthetically pleasing. Such a person might design a font, or define the point size, kerning, and other characteristics of a typeface. Typography vs. type design Typography is performed by many individuals in many different fields, including graphic and web designers, clerical works, and book artists. However, designing the look of type is not always considered a part of typography....
Popular in the 1970s the acoustic coupler was a device that allowed a computer to connect to other computers using a telephone handset. The first acoustic couplers used a telephone handset and transmitted at speeds of up to 300 baud. To transmit information the acoustic coupler converts data into sound signals, sends those signals over the phone line, and then the receiving acoustic coupler interpreted those signals. The picture is an example of an acoustic coupler available through Konexx....
Difficulty Moderate Steps 10 Time Required 20 minutes Sections 2 Speaker Assembly Replacement 7 steps Battery 3 steps Flags 0 BackSony SRS-XB40 Full Screen Options History Save to Favorites Download PDF Edit Translate Get Shareable Link Embed This Guide Notify Me of Changes Stop Notifications Introduction What you need Step 1 Speaker Assembly Replacement Remove the speaker case from the outer casing by prying it from the base of the speaker using a metal spudger....
Sony Speaker, LED Lights Student-Contributed Wiki An awesome team of students from our education program made this wiki. You have trouble with your Sony speakers Bluetooth connectivity. Make sure all other devices in the area are disconnected from the speaker and have their Bluetooth turned off. Then try to connect to the speaker again. To connect to Bluetooth, first make sure the speaker is charged and turned on. Additionally, make sure the device that you are trying to connect to the speaker is charged and the Bluetooth feature is turned on....
This troubleshooting page will help you diagnose problems with a Sony Vaio PCG-51412L. Student-Contributed Wiki An awesome team of students from our education program made this wiki. Your computer won’t charge when it’s connected to an adapter. Make sure the adapter is plugged into both the computer, and a power socket. Plug the adapter directly into a power socket, because an extension cord or power strip could be faulty. Make sure the adapter is from Sony, and not a third party....
Difficulty Moderate Steps 9 Time Required 20 minutes Sections 3 Battery 2 steps Keyboard 5 steps DVD Drive 2 steps Flags 2 Markup Mishap This guide needs better markups. Help out by correcting or making some markup annotations. Action Shots Be an action hero! This guide needs images that better demonstrate how to perform specific actions. BackSony VAIO PCG-933A Full Screen Options History Save to Favorites Download PDF Edit Translate...
Difficulty Moderate Steps 5 Time Required Suggest a time?? Sections 1 Front Camera 5 steps Flags Member-Contributed Guide An awesome member of our community made this guide. It is not managed by iFixit staff. BackSony Xperia Z5 Full Screen Options History Save to Favorites Download PDF Edit Translate Get Shareable Link Embed This Guide Notify Me of Changes Stop Notifications Introduction What you need Step 1 Front Camera Heat the back cover to soften the adhesive sticker....
Difficulty Moderate Steps 3 Time Required Suggest a time?? Sections 1 Starbucks Barista portafilter disassembly and cleaning 3 steps Flags 0 BackStarbucks Barista Full Screen Options History Save to Favorites Download PDF Edit Translate Get Shareable Link Embed This Guide Notify Me of Changes Stop Notifications Introduction What you need Step 1 Starbucks Barista portafilter disassembly and cleaning Turn the portafilter handle to the left to remove it from the machine....
Difficulty Easy Steps 3 Time Required 10 minutes Sections 1 Hard Drive 3 steps Flags Action Shots Be an action hero! This guide needs images that better demonstrate how to perform specific actions. BackToshiba Satellite p875 s7200 Full Screen Options History Save to Favorites Download PDF Edit Translate Get Shareable Link Embed This Guide Notify Me of Changes Stop Notifications Introduction What you need Step 1 Hard Drive Remove the battery by sliding the tabs to the left....
Difficulty Moderate Steps 9 Time Required Suggest a time?? Sections 1 Motherboard 9 steps Flags 4 Needs Better Images Better photos will improve this guide. Help out by taking, editing, or uploading new ones! Markup Mishap This guide needs better markups. Help out by correcting or making some markup annotations. Slice and Dice The steps in this guide should be split up and made into a series of prerequisite guides....
Difficulty Moderate Steps 4 Time Required 10 minutes Sections 1 Microphone 4 steps Flags Incorrect Tools Help make this guide better by using the correct tools in images and/or text. BackTurtle Beach Ear Force P11 Full Screen Options History Save to Favorites Download PDF Edit Translate Get Shareable Link Embed This Guide Notify Me of Changes Stop Notifications Introduction What you need Step 1 Microphone Remove the microphone cover by unscrewing the screw on the front side of the microphone....
The scanner won’t power on, even when you press the power button. Before opening up the scanner, check to make sure that the USB cable is connected to both the device and the computer and that both connections are secure. If the scanner is plugged in and still unresponsive despite your best efforts to turn it on, you may have a serious hardware issue. You may have to replace the motherboard....
Today, computers use thousands of symbols to represent a function, specification, certification, company, or warning. For example, one of the most recognizable symbols is an almost full circle with a vertical line at the top that indicates power. On this page, we show over 100 of the most commonly displayed symbols used with computers and electronics, briefly describing each symbol. If you know the category of the symbol you are looking for, use any of the links below....
With revision control or versions, a branch is an alternate version of the main project or trunk. Branches are often used to experiment, help develop new features, or for special situations like giving one customer a special ability or fix. Master, Programming terms, Trunk Related Pages How to create a computer program.
A disk interface is the circuit board that allows a floppy drive or hard drive to communicate with the computer. If a component on a disk interface board fails and causes it to no longer work, the computer cannot communicate with the drive, even though the drive still works. If a drive appears to be in working condition, a data recovery company may repair or replace the disk interface board to get the drive working again....
