| Hardware Articles |
Step Away From The Computer Before You Have A Mental Meltdown
Do I Read A Technical Manual Tonight, or The Lord Of The Rings? Just out of courtesy, I think I should tell you that the following article is about as far from my typical writings as I can get. Quite frankly, it is nothing more than a very tired technology guy ranting and raving. Maybe a little wining too.My entire world is about technology; computers, data communication, wireless and wired Ethernet, PDA's, mobile devices, firewalls, security assessments, and on and on and on. ...
Wireless Network Trouble Shooting: Battle of the Wireless Neighbor
Is your neighborhood have too many wireless networks which interfere with yours???? One of the most common complaints is that every time a neighbor puts up a wireless network your wireless network is slower or you get booted off.The easiest thing you can due is change your channel on your wireless router. Almost all wireless networks have default channel of 6. Change your wireless network channel to something try channel 11 first.If you have the money ...
Abstract Many end-users would agree that, had it not been for fiber-optic cables, the visualization of voice-over-IP might never have occurred.In fact, few statisticians would disagree with the exploration of Smalltalk, which embodies the natural principles of artificial intelligence. We confirm that Lamport clocks and Internet QoS can agree to realize this objective.Table of Contents1) Introduction
2) Related Work
Proximity readers are among the simplest access control systems to install and use. The principle is simple: they are encoded to read and respond to electronic signals from access cards, and only to cards that are specifically authorized. Unlike the swipe cards used at ATM readers at groceries and other stores, most proximity cards don’t require contact with the reader or a Personal Identification Number (PIN) to work. Proximity is enough, with sensitivity limited to as little as an inch ...
CTRL + ALT + DEL, The $100 Handcranked Computer
U.S. + computers + helping developing nations + big opportunity = No Microsoft. Now how could that equation possibly be? Try Negroponte who is in the news again with his One Laptop Per Child Non-Profit that is going to help decrease the Digital Divide between first and third world nations. He is the guy who co-founded the MIT Media Lab in 1985 with his well-practiced commentary on how the laboratory, spending $25 million a year (reaching $40 million by 2003), is engineering the merger of ...
Back to Basics
In this day and age it still baffles me how many people have not harnessed the power of a computer.
What Spyware Is and How to Block It
Perhaps you're wondering what spyware and adware are. Many folks hear about one or both and have that question. We'll answer that here and give you some tools to rid yourself of both.
Spyware & Adware are files that are installed on your computer, even if you don't want them, without you knowing it! They allow companies to monitor your Internet browsing patterns, to see what you purchase and even allow companies to inundate you with those annoying "pop up" ads! If ...
History of the Computer: Handshaking, Part 1 of 2
There is still information to be transferred to the I/O unit from the printer, for example a request for the next line of print, or an error message. So we use an OUTPUT cable and an INPUT cable. Apart from this, the printer is an Output Device. (We are talking here about the System Line Printer, so called because it prints one line at a time on continuous paper at speeds up to 2000 lines a minute).
History of the Computer: Handshaking, Part 2 of 2
The first thing the I/O unit needs to do, is to see what the printer is doing at the moment. The program which requested the print has long gone and has no idea whether the printer is able to print, or even if there is a printer! Nor does it care - its up to the I/O unit to sort it out.
Testing Electronic Systems - DUTS
Electronic test equipment, commonly called testgear, is equipment that is used to create stimulating signals and capture the responses from electronic devices under test. These devices are knowns as DUTS, Devices Under Test. Given this controls it is possible to prove the proper operation of a device through these tests, and deem them as being needed of repair or not.
Learn 5 Ways of Saving and Protecting Your Hard Drive
Soon your computer doesn't reboot properly, and you hear that ugly grinding sound that means all of your precious data has been wiped out. What did you to protect hard drive data? It's too late to think about it after the fact.
Perpendicular Hard Disk Drives
What is a Hard Disk Drive? A Hard Disk Drive (HDD) is a device used by modern computers to permanently store information. The Hard Disk Drive is arguable the most essential part of a computer system in that all the information that is permanently stored is contained within its enclosure, including your computer’s Operating System (OS). Thanks to Hard Disk Drives, long gone are the days when you would have had to keep all your programs and documents stored on removable ...
3.5 FDD (Floppy Disk Drive) is Dead! Long live the USB Drive!
Do you remember the last time you used the FDD drive of your computer, and for what? Chance is if you have used it then it would be for some emergency booting of the computer, or for recovery of your broken OS. Meaning you would have not used it for data transfer using this medium.
The Ongoing Transition Of Hardware
Before the 1970s the word “hardware” usually meant one of two things: the beautiful chrome handles on your new dresser and the kitchen cabinets, or the hammer, saw, and nails that you purchased at the local hardware store. Then came the computer boom! Hardware took on a new meaning! If all the programming that made a computer work were called software, then the hard box and its components took on the name of hardware.
Small Wonders: Single Board Computers
What are Single Board Computers
When most people think of computers, the image of a PC or laptop comes to mind. Some may even recall the football field size computers of the 1960's and 70's before the emergence of the PC. Very few people would picture single board computers , even if there was one sitting right in front of them! A single board computer is the terminology used for a printed circuit board that contains a processor, memory, I/O (input/output) and a clock. Single ...
The Benefits Of Using Ergonomically Correct Mice And Keyboards
A large proportion of the American public goes to work every day in an office environment without considering the ergonomics of the equipment they use. There are large a proportion of people working at a desk without giving due consideration to proper ergonomics as they work with ergonomically incorrect keyboards and mice. Working at a computer on a regular basis can cause the same type of stress on your body as other physical labors and in an effort to prevent such injuries from occurring, ...
Finding Your MAC Address On Wired And Wireless Network Cards
The Answer To The Media Access Control Question
Over the past few weeks I have received quite a few e-mails about Ethernet cards, both wired and wireless, and more specifically, about Media Access Control (MAC) addresses. I think the main reason I’ve received so many questions about Ethernet cards and MAC addresses is people trying to secure their home wireless networks and their desire to use MAC address filtering. This type of filtering in wireless ...
The Types Of Computer Memory
How can a computer be such an amazing gadget? To many people they just can’t be so amazed on how computers have changed the way we live. Computers can now be found in many sizes and shapes. Almost every home appliance seems to have their own mini computer located somewhere. From cars to buildings to almost every gadget there is, most of the time each one has a computer working to make them run and change the very way we live life.
Boost Your Computer Speed: Valuable Tips
When you first buy your computer, it seems to be quite fast. But with the passage of time and advancement in technology most PC users complain that the performance of these machines keep on deteriorating slowly. So, if you’re one of them, you needn’t worry anymore because we’re here to give you information on how to not only increases the speed of your computer but also how to improve the life of your desktop. There are basically two low cost solutions that can effectively speed up your ...
Basics Of A Router
Router is a computer device that receives or forwards data packets to and from the Internet towards a destination in the process called routing. Router is the essential component of the computer networking that enables any sent data to arrive at the right destination.
Maximizing the Use of Your Ink Cartridges
Printing forms an important part of any business. Whether it’s a menial job of taking out annual bills or a glossy printout of a high profile business brochure, printing is an essential part of business. Even at home, children frequently take out colorful printouts. In the beginning we tend to use the printer indiscriminately, not realizing the expense incurred. Later, realization of how expensive the printing costs are dawns when the cartridges have to be replaced. So now the question ...
Hard Disk Clicking Sound
You hear clicking sounds emitting from your hard disk drive, either in a form of clicking or grinding sounds. This can happen when you power up your computer from start or halfway while working on your projects.
What To Do When Your Hard Disk Fries
A hard disk drive (HDD, or also hard drive) is a fixed data storage device that stores data on a magnetic surface layered onto hard disk platters.
Clean Up Your Computer Now
How do you think your computer will run if you don’t perform regular maintenance on it? If your computer is running sluggish, if it periodically needs to be rebooted or doesn’t boot up as quickly as it used to, it sounds like it’s time for a Clean Up. The following instructions below will give you step by step instructions on how to ensure your PC continues to operate at its fullest potential. These instructions are relevant for machines running Windows XP and using Internet Explorer.
History Of The Computer; Analog Or Digital?
In 'History of the Computer - the emergence of Electronics', we saw how the development of Radar during the second world war led to an understanding of pulse technology. At the same time methods were refined for the calculations required for the ballistic trajectories. From these beginnings, the digital computer was developed.