Firmware refers to read-only memory (ROM) chips that store permanent instructions. Firmware boots up computerized or digital devices, as ROM chips are non-volatile, meaning they do not require a power source to hold their contents. This differentiates firmware from random access memory (RAM), for example, which loses stored data at shutdown. Perhaps the most familiar [...]
Entries from May 25th, 2010
What is a Passphrase?
May 25th, 2010 · No Comments · Networking
A passphrase is a series of letters, characters, or words that can be combined like a password. They are used for many computer programs, to gain access to systems, data, or messages. It is similar to shorter passwords in use, but a passphrase can be as long as 100 characters and offer extra protection when [...]
Tags: computer network·encryption·network·passphrase·wireless encryption·Wireless network·wireless network security
Preserving Scanned Documents and Images
May 24th, 2010 · No Comments · Digital Images, Scanners
A Guide to Preserving Scanned Documents and Images Losing important documents and most cherished photographs due to a hard disk crash is something which we dread the most. Even printed documents and photos, or files saved on an external hard disk or CD are not safe from mishaps which can mean possibly losing documents and [...]
Tags: backing up·backup·Digital Images·Digital Photos·scanner
Choose The Right Type Of Camera
May 24th, 2010 · No Comments · Digital Cameras, Digital Photography
A Guide To How To Choose The Right Type Of Camera Choosing the right camera can be an extremely difficult task. There are literally hundreds of cameras to choose from, and making the wrong choice is the last thing you would want to do. Choosing the right type of camera for your needs would probably [...]
Tags: Digital Cameras·dslr·point and shoot·waterproof camera
Maximum Transmission Unit
May 21st, 2010 · No Comments · Networking
The maximum transmission unit, or MTU, is the single largest frame or packet of data that can be transmitted across a network. The exact nature of the maximum transmission unit will be determined by the configuration of the network and what type of protocols is in place for the transmission of data. Generally, a maximum [...]
Tags: data·Data Packet·data transmission·maximum transmission unit·MTU·network·network transmission
What Are the Different Types of Freeware Programs?
May 21st, 2010 · No Comments · software
Freeware programs are certainly plentiful, and there are many different types of software downloads that are available at no cost across different platforms. There are a variety of different versions of downloadable software that are available permanently for a cost. An example of this is shareware, which must be paid for after a certain trial [...]
CPU Speed
May 20th, 2010 · No Comments · CPU, Processors
CPU speed is not a reliable indicator of CPU performance. Many factors inside and outside of the CPU exert a significant impact on CPU performance, and on overall system performance. The CPU CPU speed is measure in megahertz. A 1MHz CPU can accomplish one million CPU cycles in one second. Does this mean that a [...]
Tags: central processing unit·CPU·CPU capability·CPU performance·CPU speed
Software Modem
May 19th, 2010 · No Comments · Internet, Introductions, Networking
A software modem is a low-cost alternative to a standard hardware-based modem. While hardware modems contain all the parts necessary to connect to the internet, the software modem transfers some of that work to the computer’s processor. Modems have two main components. The controller configures and dials the modem, and the datapump sends and receives [...]