Data communication between digital devices is often done through serial cables, which are used to transfer data between devices that use bit-by-bit or serial port communication techniques. Most types of serial cables use RS-232 (Recommended Standard-232) standard interface for communications, which mainly specifies that data must be sent in a predefined sequence of bits. Generally, serial cables are categorized according to their interfaces and standards. Writer Bio

Electronic payment systems have become more popular thanks to increased use of Internet shopping. These systems do not just involve Internet transactions, as there are more and more ways being developed to facilitate electronic money transfers. With increasing technology, the range of devices and processes used to transact electronically continues to increase while the use of cash and check transactions is decreasing. This is mainly because it is much easier to carry cards or use cell phones to pay for purchases compared to cash....

Shopping on the Internet at home in your pajamas is killing local businesses. Actually, it doesn’t matter what you wear. While online shopping is convenient and, in many instances, offers immediate delivery of goods and services, every dollar spent online is one less dollar circulating in your local economy. This diminishing revenue stream has an effect on a wide range of businesses. Writer Bio

When you entered into a contract with your wireless provider, you agreed to certain terms, including those governing the rates you’re charged for things like making phone calls, using the Internet, and sending and receiving text messages. Facebook doesn’t charge fees on its end, but members should remember to factor in carrier fees for data usage and text messaging when using the social network. Writer Bio

The natural parental impulses of wanting the best for our children, and wanting to shield them from inappropriate influences, come into serious conflict on the Internet. There’s a tremendous amount of information available online, information that children can use to learn their way around the world. There’s a tremendous amount of dubious material online, as well as spyware, adware and computer viruses. As parents and Internet users, we need to know how to keep the harmful spam at arm’s length without compromising the benefits of the World Wide Web....

Nikon first started making CPU lenses when they debuted autofocus lenses in 1986. Although the term “CPU” usually refers to a central processing unit, the term is misused here since the lenses lack an actual electronic brain. What CPU lenses offer is a chip that transmits basic information about the lens back to the camera so that the camera can use advanced metering functions. Writer Bio

The term preamp is short for preamplifier, which is one of the key components in a stereo system. The preamplifier performs a range of functions and is the most active, responsible part in your stereo. Here’s a further look at exactly what it does in relation to the stereo system.

There is no technical definition for the term “WiFi number,” but there are several numbers that are intrinsic to WiFi operation. The most likely meaning for a WiFi number is the channel used for wireless operation, but other numbers may be set in WiFi settings, assigned by WiFi routers or determined by WiFi hardware. Writer Bio

“SSE2” refers to Streaming SIMD Extensions 2, and “SIMD” is an abbreviation for a protocol known as “Single Instruction, Multiple Data.” This is an instruction set designed by Intel. It gives programs the language they need to perform operations on data stored in the registers of a central processing unit or CPU.

McAfee is one of the most used antivirus solution providers, and has been in use since the first appearance of the viruses. McAfee provides a full range of security products such as antivirus, firewall and anti-spyware programs. McAfee Antivirus comes with a set of features that will keep your computer free of viruses, worms, Trojans and other malicious programs. Writer Bio

Updated August 29, 2017 Regular Telephone Lines Standard or regular telephone lines consist of a pair of copper wires installed into your home by a telephone company so that you can receive landline telephone service in your home. These copper lines have plenty of room to transmit voice calls to other phone numbers; so much room in fact that there’s lots of extra, unused or leftover room if all you’re doing on a phone line is conducting voice calls....

Private Posts vs. Private Blogs Tumblr distinguishes between private posts and private blogs. All blogs run by a single user are managed under one email address. The first blog you set up under an email address is the primary blog. This blog cannot be wholly private, but it can contain private posts. However, you can mark secondary blogs as private by password-protecting them so that only those with the correct password can access them....

Formatting a drive isn’t just for fixing a broken computer; you can use it to handle any number of routine computer maintenance tasks. While formatting your hard drive is a bit more permanent than sending a file off to the trash can in terms of erasing data, it doesn’t really remove your data in a serious way – a well-trained professional could still coax your data off a formatted drive....

Cell phones allow users to do much more than simply make phone calls. Many cell phone providers, such as Verizon Wireless, allow customers to add additional services and features to their mobile devices to meet their needs. V Cast is one of Verizon’s cell phone and computer applications that users can purchase for an additional monthly fee.

Broadband internet connections offer high data-transfer speeds. Connecting to Comcast’s network as a broadband consumer requires an account and a qualified compatible modem. Routers are connected to the installed modem to create a network of devices sharing a single Internet connection. Comcast requires modem capability, not router compatibility. Comcast’s high-speed plans require routers with advanced capabilities to ensure connected devices communicate at rated speeds. Writer Bio

Friends who appear at the top of the Facebook Chat sidebar are people you interact with regularly. Facebook attempts to work out which friends you are most likely to want to chat with, and places these contacts at the top of the list in Facebook Chat. Facebook also displays these friends more often in your news feed. Writer Bio

The Pandigita Novel is a multimedia eReader that’s powered by an internal rechargeable lithium-ion battery. It uses the Android operating system. Under normal conditions, the device powers on and performs as needed; however, if your device isn’t turning on, take steps to find the problem and resolve it.

Hacking can modify the functions of a wireless camera to display computer-screen content on an external viewing device. Such modifications, while simple, will void the manufacturer’s warranty and often require additional equipment, such as a wireless receiver and patch cables. Some camera-related hacks, like breaking into a transit system’s closed-circuit TV network or spying on a neighbor’s activity, aren’t necessarily legal or advisable. Minor modifications to your wireless camera’s printed circuit board allow you to use the camera to transfer onscreen computer content without use of a high-definition multimedia interface or video graphics array cables....

Flash drives, sometimes called thumb drives or USB drives, offer more storage capacity than other types of portable drives, such as DVD-Roms and SD Cards. Flash drives are compatible with multiple operating systems, and you can use them to transfer files between Windows and Mac computers. You can also back up your important documents on flash drives.

When you’re comparing your data storage options, there is no one-size-fits-all approach. You may find DVD storage perfect for your situation, while another user may find it inconvenient. Even though most users prefer rewritable media such as external hard drives and flash drives, there are some perks to using DVDs. Writer Bio