A multimeter combines several electrical meters into one hand-held unit. Basic multimeter models measure voltage, current, and resistance. Advanced models also measure temperature, inductance, capacitance, duty cycle, and frequency. They can also test diodes and transistors. Some even work as an oscilloscope. The two main types of multimeters are digital and analogue. Parts of a …
There are two primary reasons that computer users will convert a JPG file to text: 1 – To convert a text document that has been saved as an image back to text format for editing and 2 – To Add a JPG image to a rich text file or document. Since the JPG image format …
Yahoo users may not need to change their Yahoo ID as Yahoo allows more than one Yahoo ID integrated per user. This means the user can register another one (maybe two or three) and share the list of friends, the address book, and even the inbox. In order to do that, go to the Yahoo …
If you surf the web or watch media on your computer, you have probably come across the WMV file. WMV stands for Windows Media Video and while it was originally designed for streaming video from websites, it is also used for music videos and full length motion pictures. WMV, a Microsoft product plays with Windows …
A photoresistor is a light-dependent resistor which slowly loses its resistance when exposed to high levels of ultraviolet light. As a result, photoresistors convert light energy into electrical energy. Photoresistors are used in a wide variety of devices to detect the presence of light, control a device, or activate a system. They are usually dependent …
Tip and Ring are telephony slang for the two wires which make up the electrical circuit used for telephone wiring. Tip is the nickname for the electrically positive wire and Ring is the nickname for the electrically negative wire. Tip is the ground side, which is positively charged, and Ring is the battery side, which …
The planet Mars has held a place of intrigue with humanity for many centuries. Also known as the “Red Planet,” Mars can be seen with the naked eye and looks red due to the large red desert covering its surface and the presence of a large amount of ferric oxide. As the fourth planet in …
Have you ever wondered how some wireless video camera recordings leaked through the Internet when virtually no one ever touched the device itself? Technology has ushered the use of video and audio interceptors alike to intercept just any type of wireless video-audio cameras in your immediate neighborhood, just in the turn of a dial. Using …
A DLL (Dynamic Link Library) consists of instructions to operate hardware units, system, utility, and application software. A DLL is a type of executable file that cannot be executed manually. Only other executable files such as .exe or .dll can execute it. Typically, Microsoft Operating Systems do not allow users to view .dll files (or …
A dial-up connection is any connection that is connected through a regular phone line. When that phone line is connected to a modem and then configured to dial a specific number, a user can access the Internet. It is the slowest form of Internet connection, but that is a result of also being the most …