An electronic circuit that accepts a signal and filters out unwanted frequencies, allowing only a particular frequency or frequency range (band of frequencies) to reach the output side.
 | Reproduced with permission from Computer Desktop Encyclopedia. Copyright (c) 1981-2008 The Computer Language Company Inc. All rights reserved. |
Additional Resources
- Untrustworthy students: lighten your restrictions
- You know the drill. You spend thousands, if not tens of thousands of dollars on higher education at your college or university of choice. But when you go to use your Internet connection or a public computer on campus, you login and it's locked down so tight, you can barely...
- Blog posts 2008-07-18
- US spam levels up, state of Illinois is the worst offender
- US spam levels up, state of Illinois is the worst offenderWe run spamassassin here, which is what their system is based on.Spam levels at my company are up! Hell look at my charts: http://brain.chcfl.com/postfix Obviously i dont see nearly the traffic they do, but when your running at 98%...
- Discussion threads 2008-07-16
- Twitter And Summize Sitting In A Tree. M-E-R-G-I-N-G
- I can almost picture the scene - two young CEOs meet on a Spring day at New York's Shake Shack to talk about their planned nuptials. After they polish off their fries and the chocolate shake with one straw (I'm assuming), they head over for a stroll through Union Square...
- Blog posts 2008-07-15
- Panic over: YouTube viewers are no longer royally screwed
- An update to the YouTube blog yesterday has calmed fears that Viacom would be able to pick out identifiable user information about every video ever watched on YouTube. As answered before in my Q'n'A post, there was a possibility that recriminations could be filed against each individual who watched something...
- Blog posts 2008-07-15
- Schemax Calendar (exe)
- Schemax Calendar is an add-in for Microsoft Outlook 2003 and 2007. It helps you schedule meetings, manage resources like meeting rooms and equipment and forecast activity by category and resources. You can view appointments as calendars, timelines or bar charts. You can filter and group appointments by category and resource...
- Software downloads 2008-07-15
- Maxthon (zip)
- Maxthon comes with all the great features which will give you a comfortable, joyful and personal Web surfing experience. It has unique features, such as Advanced ADs blocker: support popup blocker and Web content filter, support regular expression; File sniffer: Downloading video/MP3 files have not been so easy. just select...
- Software downloads 2008-07-15
- AllowBlock (exe)
- AllowBlock is a parental control software. Its Internet content filter blocks or allows visiting selected Web sites in Internet Explorer. One may create two lists of Web sites: allowed and blocked. If a Web site is on allowed list then its contents are displayed in the browser, if not then...
- Software downloads 2008-07-15
- List Ticker and Aggregator for MOSS 2007 (zip)
- Websio List Ticker and Aggregator Web Part displays aggregated data from multiple lists/sites as scrolled marquee. See live demo of this Web Part on our Home Page (section 'What's New'). Main features: Simple and advanced mode; Single or multiple list aggregation; Filter items by specified field; Filter by Audience; Sort...
- Software downloads 2008-07-15
- XSS worm at Justin.tv infects 2,525 profiles
- A XSS worm was crawling across Justin.tv, the popular lifecasting platform at the end of June, details of the incident emerged in the middle of last week. Basically, the group that found the XSS vulnerability abused it for the purpose of generating the following graph as a proof of concept,...
- Blog posts 2008-07-14
- Ad-To-Ad Combat
- Ad-To-Ad CombatSounds like malware bumping off the competition.Friend of mine got a drive by download that got pop ups of his computer may be infected and go to this website to download their dubious spyware removal utility.In the end it doesn't fight anything. Your database is sold to someone else...
- Discussion threads 2008-07-14
- Spammers announce World War III with spam emails packing malicious payloads
- Spammers announce World War III with spam emails packing malicious payloadsSorry Nate - have to disagreePlease everyone - do not "spread the word" as Nate says it - I spend more time looking up these e-mails, and then convincing people that the e-mail they got was a hoax than I...
- Discussion threads 2008-07-14
- Hidetools Child Control (exe)
- Hidetools Child Control is all-in-one program solution allows you to control access to web sites, programs, files and folders and monitor forbidden activity. The program include powerful Internet filter which protects your child from obscene web sites. Hidetools Child Control helps parents to make a computer and the Internet safely...
- Software downloads 2008-07-14
- Open Discussion: Software firewalls
- Open Discussion: Software firewallsRE: Open Discussion: Software firewallsI use both Windows Firewall in Vista and the built in hardware firewall in my router. I just don't see the need for a resource hungry, third party solution any more when the built in firewall in Windows does an admirable job.Fire ...
- Discussion threads 2008-07-11
- Apple founder Steve Wozniak interview, answers your Tweeted questions
- At the San Francisco Social Networking Conference today, Steve Wozniak, Apple co founder and personal computer legend, shared some fascinating insights into the modern world of social networking and mobile phones. I was able to organize a one on one interview with Steve (thanks Marc Lesnick &...
- Blog posts 2008-07-10
- The key to an open, transparent malware filtering system
- The key to an open, transparent malware filtering systemOpen DNShttp://www.opendns.com/Easy to implement, not browser specific, not OS specific, tells you why a site has been blocked, custom content exclusion, ability to share/group profiles.It's worked well for me, YMMV.Malware filteringWell said. You've put the essentials in concise but thorough list.RE:...
- Discussion threads 2008-07-09
- Should free broadband be neutral?
- Should free broadband be neutral?It should remain free or it shall be replacedIt should remain free, but most likely greed will prevent this for some time. Smutty content like spam should be penalized but not taxed.Telcos would love to profit by regulating bandwidth. Now this is not what capitalism...
- Discussion threads 2008-07-09
- IE Visual History (msi)
- IE's native history feature is poor, this add-on toolbar do improve your experience by display visited page's image but not only text. It also display date time information and you can set host name filter such as www.msn.com or just "msn" to search visited pages. This version is the first...
- Software downloads 2008-07-09
- Hi ISO Noise Reduction Filter (exe)
- Some digital cameras produce the digital noise on high ISO values. There can also be color noise which is perceived as random red, green, and blue pixels spoiling the color accuracy of the snapshots. High ISO Noise Reduction plug-in filter reduces color noise on digital photo follow by image shapes...
- Software downloads 2008-07-09
- Should free broadband be neutral?
- A lot of politicians are bandying about the idea of licensing unused or underutilized radio frequencies to create a free, nationwide broadband network. As the US gets repeatedly dinged for a lack of broadband penetration, especially in the inner city and rural areas, an initiative like this would have...
- Blog posts 2008-07-08
- HP iPAQ 910c Business Messenger
- Though more well-known for its laptops and desktop PCs, HP is no stranger to smartphones. The company has released several models in the past, including the HP iPaq hw6945 Mobile Messenger and the HP iPaq 510 Voice Messenger, both of which have garnered some good user reviews, and now...
- Product reviews 2008-07-08
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