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| I n f o B u l l e t i n |
| coopsys .net |
May 2003 |
| IB |
In this issue:
Internet telephony, Inventories, Windows key, Security: share scares and laptops
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| pro |
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| **** NewsBytes **** NewsBytes **** NewsBytes **** |
| Down with ADSL |
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BT is cutting ADSL prices by £2 (wholesale) for home consumer versions of its ADSL services. Taking effect from 1st May, the telco giant also said that its business offerings would see up to a 50% drop in service costs. However, some ISPs remain unimpressed, saying they will find it difficult to pass on the comparatively minor discounts while BT are simultaneously 'taking away with the other hand' by re-inflating activation fees. Source: The Register. On the dial-up front, a regulatory move by Oftel is to order BT to reduce its wholesale unmetered Internet access prices by 17%.
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| Dell A940 printer review |
This new Dell-branded, ink-based mopier-type machine (fax, copy, scan, and print) boasts plenty of friendly features on the surface at less than the price of most laser cartridges, but soon gets more difficult and expensive to run as you dig deeper. Full review.
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| Well connected ? |
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Test your connection speed to the Internet with this online speed test
www.zdnet.co.uk/misc/band-test/speedtest50.html. Check how well your ISP is serving you.
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| IT makes us grow |
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A British Chamber of Commerce survey has revealed a 27% growth in the financial sector stemming from the use of IT, the most important factor for enhancing business performance, the report says. Corresponding growth figures for the manufacturing sector come out at 43%.
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| Dell recycles PCs |
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Dell launches kerbside PC recycling - for US$15 a PieCe. More details
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| Free newspaper-copying deal |
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One of the oldest of information technologies is giving a new lease to charities and the like. In a 3-tier deal between the NCVO and Newspaper Licensing Agency (NLA) a large number of voluntary organisations can benefit from a substantial reduction in the fees that they usually pay for copying and distributing newspaper cuttings. Charities with a turnover less than £250,000 or fewer than five
staff pay nothing for ad hoc copying. Visit the NLA website at www.nla.co.uk/registered-charities to register.
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| Windows 2003.leak |
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More than 2 weeks before the 24th April release of Microsoft's much vaunted 2003 version of Windows Server, a code key that unlocks the software was published on the Internet, allowing anyone in possession to unlock all 3 versions of the software. Apparently originating from a Microsoft corporate customer subscribing to one of the company's volume-licensing programmes, a Microsoft spokeswoman said they would be tracking down occurences of the leaked code aggressively.
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| Sun launches new star |
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Version 6.1 of Sun Microsystems' successful StarOffice suite is being offered as a trial. Pitched as a low-cost alternative to Microsoft's Office product, some see StarOffice as constituting serious competition to Microsoft's market dominance. The eventual 6.1 release is likely to be in October 2003 and includes saving documents to Adobe PDF format as well as business configuration tools and extra support for handicapped users.
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| Groups of IT users turn grey |
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No fooling! In this Microsoft support note the "Hair Color of the "Person" Icon for a User Group Becomes Gray If the Group Contains More Than 500 Users"
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| | **** end of NewsBytes **** |
^ Back to contents ^
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1. Internet Telephony: always-on talk time
Techies call it "Voice Over IP" but it's easier to understand as Internet Telephony - and it's getting better.
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What's the draw ?
The main attraction of making telephone calls via your Internet connection is that you make them for virtually zero cost, as it forms a negligible part of your Internet provision especially where you are on a broadband or unmetered, flat-fee service.
| Free PC to PC calls using MSN Messenger |
What it does
Allows you to make free phone calls from your computer to another computer
Allows you to 'chat' live by typing with another user. If your computer does not have a full duplex soundcard, you can still use MSN Messenger for this non-verbal communication.
Advantages
Free phone calls between PCs
Disadvantages
Quality of the phone line is not as good as normal landline calls. Often delays of several seconds between speaking and hearing, and the line sometimes gets distorted or cuts out temporarily.
Performance reduces significantly at speeds less that 33.6 kbs
Requires both callers to have MSN Messenger installed and to have headphones with a microphone
Tech Requirements
PC with a full duplex soundcard
Internet access
Headphones with microphone(or ordinary headphones with a plug in microphone)
Cost
None - it's free to download and to use.
Get Started
- Set up a Hotmail account (free), as this is required. (Go to www.hotmail.com and follow the instructions. In order to keep your new hotmail account active, you must log in at least once every 30 days.)
- Go to www.msn.com (or .co.uk or whatever).
- Find the Downloads bit, or the MSN Messenger bit, as appropriate, and go through the download process. (It's free.)
- Once MSN Messenger is installed, add your contact email addresses (@hotmail.com or @msn.com).
- The MSN Messenger icon will be added to the bar at the bottom left of your screen.
- When you log on to the www, click on the Messenger icon. A new window will open displaying which of your contacts is online. Click on that contact to open the chat window. Follow "Start Talking" instructions to speak.
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What's the drawback ?
Up to now, the connection reliability hasn't been great, but it's improving.
In a nutshell
Internet telephony enables you to make calls from your PC to another similarly-enabled PC or to a normal landline almost anywhere in the world.
Calls can suffer from delays and quality problems so, if your Internet connection is via dial-up modem, it will need to be the fastest available. The quality of Voice Over Internet Protocol (VOIP) depends on the speed of Internet throughput and older 28Kbps modems and PC speakers will render your conversations with the timbre of a boy-scout-ish 'two tin cans connected by a piece of string', albeit over longer distances.
So can I dump my landline ?
Don't start ripping out the plugs just yet. Internet calling won't replace your main land line any time soon. For starters you need some sort of service provision, and for most of that means a wired connection - unless you are completely dedicated to cable - and that connection also provides the power to your landline phone. In the VOIP world, no power means no communication. Moreover, you may find Internet telephony barred to certain emergency services and some countries.
Setting up
Assuming you already have access to a modern PC package - crucially with headphones and microphone up and running, you will not need to go looking for much else except some software that is simply downloaded for free - see our 'getting going' guides in the panels.
Global connect
Likely to become a heavy user? To soak international calls, you may want to hook up with a company that provides extra services; included in such plans are features like a portable number that allows you to be reached anywhere in the world, caller ID, call forwarding, and Web-based voice mail.
Many companies also sell calling cards with low per-minute rates that allow you to dial over the Internet from any phone with no special equipment. Most services allow you to track your use online as well.
Roaming jetsetters cam take full advantage of Internet calling with an IP phone that connects directly to a DSL or cable line, or an Ethernet adapter that connects normal phones to your broadband line. This setup obviates the requirement for a PC altogether, though if you do have one you can talk, surf and email all at the same time, if you're a multi-tasking sort of dude.
Among the more affordable IP phones is Cisco's 7905G at around US$165, featuring inline power support, caller ID, line/call status and soft key tabs on its LCD display.
How to make it happen
There are a growing number of opportunities and options.
You can make free phone calls from one computer to another computer using MSN Messenger or Yahoo Messenger or others. You can also make PC-to-landline phone calls cheaply using one of the Internet telephony companies - the cost of the call depends on the destination you are calling, not the distance.
The UK is one of the cheapest destinations to call, but this isn't a reciprocal arrangement. A call from Bangladesh (or anywhere) to Hereford, for example, costs around 5 cents (US) per minute; but a call from the UK to Bangladesh will cost around 50 cents per minute.
| Low-cost PC-to-landline calls using Net2Phone |
What it does
Allows you to make low cost phone calls from your PC to a normal phone
Allows you to fax a document on your computer - the price is the same as a Net2Phone phone call
Advantages
Cheap international calls (price depends on the destination you are calling)
Cheap international faxes
Disadvantages
Quality of the phone line is not as good as normal landline calls. There can be delays of several seconds between speaking and hearing, and the line sometimes gets distorted or cuts out temporarily.
Performance is significantly reduced at speeds less than 33.6 kbs (31.2 kbs is tolerable), so you will need a reasonably decent phone line and ISP connection.
Some countries have barred access to Net2Phone and other internet telephony companies.
Tech Requirements
PC with a full duplex soundcard
Internet access
Headphones with microphone (or ordinary headphones with a plug in microphone)
Cost
The download is free. You pay for calls you make. Calls are charged by the minute. The price depends on the destination. Calls to the UK are (US cents): Central London 4c per minute; everywhere else in the UK 5c per minute; calls to UK mobile phones are about 20c per minute. Call charges to other countries are available on the Net2Phone website. You pay in advance by credit card - minimum deposit is $10. Either go through the online payment process each time you run out of funds, or set up an automatic credit card re-charge (recommended).
Charges to CU countries from Net2Phone's www.net2phone.co.uk site (N.B. if you register and download from the US site www.net2phone.com, some rates are cheaper):
Ghana 41.3p
Guinea 49.7p
Gambia 49p
Malawi 40.6p
Mozambique 60.9p
Brazil (Rio 10.5p; Sao Paolo 6.3p; Cellular 23.8p; everywhere else 17.5p)
Colombia (Bogota 10.5p; Cellular 24.5p; everywhere else 15.4p)
Kenya 65.8p
Nigeria 62.3p
Bangladesh 59p
Get started
- Go to www.net2phone.com
- Follow the download instructions (download is free)
- Ideally, set up your account with automatic credit card re-charge - this avoids the need to re-enter card details regularly.
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Net2Phone is one of the longest established and best providers of Internet telephony services. It's easy and straightforward to use, and its call charges are very low. There are several alternatives, with some offering cheaper rates than Net2Phone, but it can be very difficult at times to get a connection, so you can end up paying more in ISP connection charges than the savings made from cheaper call rates. In some countries, you can buy pre-paid phone cards from Net2Phone and other providers, allowing you to access cheaper rate calls by dialling an access number from your landline phone.
Related Articles
YAC phone, a mobile number without hardware
Panama bans voice over IP, The Register
Mitel 5230 IP phone forms a cradle to dock your PDA
-IB-
We are indebted to Sian Basker, manager of the Voluntary & Community Sector Project at "Herefordshire in Touch" and to Tom Woodhatch, Director, Concern Universal Bangladesh for writing up their technical research and practical experiences.
The Herefordshire in Touch (HIT) Programme is an initiative of the
Herefordshire Partnership bringing together public, private and voluntary
sector organisations to support the economic and social development of the
county. The HIT programme focuses specifically on the ICT needs of the
county and includes 7 projects addressing different technologies and target
groups' needs. Sian Basker is manager of the Voluntary & Community Sector
Project aimed at building the ICT capacity of the not-for-profit sector. For
more information visit www.herefordshirepartnership.com/
Acknowledgements: Milwaukee Journal Sentinel
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2. Security: Sharing is scaring
Are you sharing your PCs with complete strangers?
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Intruder attacks on PCs are on the rise, especially on Windows 2000 and Windows XP systems.
The invasions that are under scrutiny this time around belong to those computers with file shares exposed. That is, PCs that offer up all or parts of their C: drive folders for viewing, and possibly editing and deletion, to colleagues on the internal network.
With careless configuration, those C: drives could be exposed to viruses or, remotely, to intruders, putting both data and operating systems up for grabs.
Test yourself for exposure!
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To see whether your own machine is sharing out its own files, simply start Windows Explorer or double-click the "My Network Places" icon.
- Open up the "Entire Network" entry
- Open up the "Microsoft Windows Network" entry
- Now look inside the workgroup entries below that
- If you see plenty of PC names (often PC-01) and can delve down into their respective drive contents, those machines are potentially at risk
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Sharing an internal file system may have been set up for perfectly valid reasons, but with imperfect security. If you are connected to a network based around a central file server, it's safest to assume no client workstations will need to share out their own drives.
Where shared drives are an absolute necessity, define secure passwords for users who need access. Passwords like "server" or "admin" are considered weak and are tried automatically by some viruses.
Benefits of clamping down of file-sharing
Networked shares are highlighted time and time again in the reports of anti-virus vendors as a source of virus contagion. Quite simply, a virus-stricken machine that can spread it infection to other clean machines via their shared drives will inevitably attempt to do just that.
Shutting down the risky "shares" will inherently block a whole host of viruses at a stroke - that is, those network-share viruses like KillOnce and Sobig, which also bundles its own SMTP mail server as an additional spreading mechanism.
Such a measure won't obviate the need for your anti-virus measures, but they do represent a better first line of defence by plugging the hole. It also prevents staff 'fiddling' with shared machines just out of interest or boredom.
Full details of recent network share activity at CERT.
How to make it happen
Call us to help you turn off file-sharing and to tighten up your network security under an FM programme.
Related articles
The Top 20 security issues
-IB-
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3. Taking stock: Audits and inventories
Keeping track of your organisation's computer equipment can be a full-time job - but you don't have to turn it into one.
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Creating an inventory of computers, printers and the like may seem a daunting task, especially when the gear and the people don't stay attached to each other for very long!
Hot-desking may not be the culture in your workplace yet, but PCs break down occasionally and need repair, while portable equipment (laptops, cameras, external CD and DVD drives) appears to be continually stuck in a revolving door.
Which parameters should I record ?
Here's a typical example you can build quickly in any basic database application.
The trick is to keep just enough essential data without creating an 'updating burden'.
| Inventory Database |
| Asset no |
Name |
Location |
Type |
Manuf |
Model |
Specification |
Bought |
Serial no |
Notes |
| 253 |
Locust |
Accounts |
PC |
Dell |
Optiplex GX-240 |
2.4GHz, 512M RAM, 40GB disc |
May-02 |
12345 |
WinXP Pro supplied |
| 254 |
Weevil |
MaureenB |
PC |
HP/Compaq |
Presario 8000 |
2.2GHz, 256M RAM, 20GB disc |
Dec-02 |
23456 |
DVD+RW drive added |
| 255 |
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Comms room |
SWIT |
3Com |
Switch 4005 |
8-Port 10/100Base-T module |
Nov-03 |
34567 |
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| 256 |
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Media dept |
P |
HP |
LaserJet 5500 |
Colour A3 17ppm |
Jan-03 |
45678 |
extra 500 sheet tray supplied |
Why you keep this info
- Asset no
You have to identify every piece of equipment uniquely, if only for insurance purposes.
- Name
This might seem like a duplication of the asset number but it's really just to ease the tracking of very similar pieces of gear like PCs. Humans generally deal with names better than numbers and this is really the only bit you can have fun with! (see panel)
| All too quickly you can rack up over 100 items of equipment |
- Location
Could be a department or a named person. This filed is likely to change the most often.
- Type
Simple key code so you can sort your database.
- Manufacturer/Model
Could combine these 2 fields if inventory is small.
- Specification
You may want to split this into separate columns for processor memory and disc if PC upgrades are your thing.
- Bought
The purchase date. Useful to indicate which equipment is out of statutory 12-month guarantee and needs to go on a support contract. You may wish to add a price field to track acquisition costs but for PCs, this is likely to date quickly.
- Serial number
The number that came with machine. Useful for returns under guarantee.
- Notes
Don't feel obliged to enter more info that may need updating!
Who uses it and what for ?
Having constructed a database, you can rapidly build some queries to generate certain views of you equipment, eg show me all the PCs purchased in the last 12 months only.
| Naming your computers |
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Librarians will have a head start here - classifications are the name of the game.
Suitable categories of names will have sufficient depth, but also be easy to remember. So, for example, the names of English counties may be memorable, but too limited in range and plain old numbers (eg 101, 102, etc) will soon be too cumbersome to identify.
Consider plumbing the rich seams of categories like insects (as in our example), trees or music artists beginning with the letter 'S' if that's your song.
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Accounts and finance managers
... need to make an assessment for insurance values and track the depreciation of computers for budgets.
External financial auditors
... need to be kept happy checking you have the equipment you've declared. This is where separate computer names make life auditor-friendly and efficient.
IT managers
... need to know which staff have the oldest/slowest machines and whether they should be replaced yet. PCs coming out of guarantee should go on to a support contract straight away.
Lighten the updating load
All too quickly an organisation of only 20 staff can easily rack up an inventory of over 100 items of equipment, but documenting every single plastic box that has a wire connected to it will drive you to despair!
For insurance purposes, you may be obliged to omit items less than, say, £200-250 as not being a capital asset. By employing this cut-off point, keyboards and mice don't appear on the books but items that are valuable enough to warrant a repair - like monitors - show up, even though they have arrived bundled with a PC as a zero value. When such accessories go for repair, you need to be able to track and account for them.
| Find the tag number for your Dell machine |
| Go to the Support section of Dell's web site at http://support.euro.dell.com/uk/en/home.asp and click on the Configuration link at top left. This opens this system profiler - a small piece of software that runs via the Internet and examines your machine to give you the tag no. and other basic info. You are prompted to allow the software to run first.
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Benefits
See your inventory of equipment at the click of a button
Communicate your updated lists to third parties (financial, outsourcers)
Information gathering
Software like that available at www.belarc.com automatically builds a profile of your PC and reveals its specification, among a host of other attributes, such as applications installed.
Make it happen
If the initial effort of starting up your inventory appears expensive, copy our example or contact us to get you started with an audit.
Related articles
How often to replace a PC ?
Rolling out new PCs
-IB-
Acknowledgements: Anslem Munroe
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4. Unlocking the key to Windows
The 'Windows key' can do more than just launching the Start button. Make it work harder for you.
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What use is the Windows key ?
The "Windows logo key" has been shipping with Windows-installed computers since around Windows98 but many users of such keyboards don't investigate this time-saving button lurking unloved between the Ctrl and Alt keys.
Tapping the Windows logo key in combination with others yields instant access to many of the applications on your computer as well as applets already bundled in Windows.
Here's a list of what you can access without further ado :
| Pressing the Windows logo key with ... |
opens ... |
| nothing else ... |
effectively clicks the Start button |
| a "D" ... |
will minimize or restore all windows (toggles). Like clicking "Show Desktop". Very useful! |
| an "E" ... |
Windows Explorer |
| an "F" ... |
opens the "Find" or Search utility |
| with "Ctrl" and "F" (you may need long fingers for this!) ... |
opens the "Find Computer" window (to find your way around the network) |
| the "Tab" key ... |
cycles the programs open on the task bar. Press "Enter" to open any one that's minimized. |
| with a "U" ... |
opens the "Utility" window, giving access to Magnifier and Narrator apps for those with additional accessibility needs |
| with an "R" ... |
opens the "Run" window |
| with the Pause/Break" key ... |
opens the system "Properties" window. Handy for checking your system's performance and hardware |
Enhancing the Windows key function
If this lot isn't enough, you can download a free shell extension that allows you to define even more keyboard shortcuts with the Windows key, eg pop up the Recycle Bin.
"Winkey" comes pre-configured with around a dozen preset actions, like changing the size of the active window (minimise, restore, maximise) by pressing Windows key + left arrow key.
Windows Key Enhancer specifications
- Current version: 2.8
- File size: 1.19 MB
- Supports about 200 key combinations
- Start programs in minimised, maximised or restored modes
System Requirements
- Windows compliant keyboard
- Windows 95/98/NT/2000/Me/XP
- 2MB of RAM
- 2MB of hard disk space
Benefits
- Faster access for your everyday activities
- More reliable actions than using a mouse click
- Reduce mouse-hand RSI
Related articles
Everyday keyboard shortcuts
Keyboard shortcuts for menus
Contacts
Get it direct from here
www.copernic.com/go/?dest=downloadwinkey
or these download sites:
http://downloads-zdnet.com.com/3000-2344-10022100.html
http://download.com.com/3000-2344-913626.html?tag=lst-0-1
-IB-
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5. Laptop security
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Laptops are so easy to use but our approach to securing them still leaves a lot to be desired.
Online backups, like that from Toshiba, are available at around £2.60 per month but this means you have still lost your hardware and exposed your data to the thieves.
Handcuffs and a chain perhaps, for those of a desperate disposition?
Most computers now have a setting in the BIOS startup that will deter casual intruders. In the security stakes, however, it's not an unbreachable hurdle.
Here are some devices that render your valuable laptop or notebook computer completely inoperable without the right 'key'.
Chirson PC Immobiliser
This immobiliser comes in two parts: a key fob or token that you carry with you and a reader that plugs into either the serial or USB port of the machine you want to protect.
The keyfob part is highly durable, waterproof and resistant to tampering being based on iButton technology. Access to the machine being protected is only available when the Blue Dot reader is plugged into either its serial or USB port. Each penny-sized fob contains a unique, unalterable address that it encrypts while communicating with the reader.
Supplied installation software prevents even command line access to the mobile PC. After that, a simple touch between iButton fob and iButton reader is all it takes to make the PC usable. Unplugging the reader also renders the PC useless.
The idea is that the small fob is a familiar and easily-transportable security key than, say, a password or the laptop itself.
A scheme of licensing multiple tokens makes this a system suited to securing 'fleets of laptops' (if that's the right collective noun) while keeping the business of accessing the machines trivial for those users doing the borrowing.
List Prices
- Serial port version £59.99
- USB version £79.99
More info: http://www.chirson.com/pci.html
TrackIT and CI Solutions Lapdog
These devices employ radio signals to communicate between a pager-style device and/or a dongle plugged into the PC.
Dongle? You're making this up!
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dongle
/dong'gl/ n. 1. A hardware device that serves as copy protection for certain software by rendering the software inoperable when the device is not plugged into a printer or serial port.
Programs that use a dongle query the port at startup and at programmed intervals thereafter, and terminate if it does not respond with the dongle's programmed validation code.
Webster's
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Once armed, the motion-sensing technology built into such devices triggers off a sequence of alarms
The first deterrent to any thief comes in the form of a laptop-mounted alarm, exposing the theft in progress. Secondly the laptop communicates via with your keyfob pager (which you have remembered to keep with you!) beeping you of the emerging emergency. Communication ranges are typically 15m to 20m maximum.
In the unlikely event of a successful getaway by the the thief, software supplied with Lapdog and installed on the PC also freezes the Windows operating software, protecting your data at least.
- TrackIT: US$59.95
- Lapdog: £118
www.trackitcorp.com/
Contacts
Chirson review
Lapdog review
Related articles
Solutions for data security on the move
Find out more about security
-IB-
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6. Tabbed browsing - deceptively friendly
The latest browsers from Netscape and Mozilla may have passed you by - after all browsers aren't the hot topics of IT debate they were.
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More help at hand. All the back issues just a click away
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Browsers are more than just web page viewers these days and come bundled with a whole range of applications on their own from email and messaging to web page composition and uploading. You would think there's nothing left to do when it comes to souping-up the plain old navigator.
But you'd be wrong. Investigate the tabbed browsing available on Netscape (version 7) and Mozilla (version 1.1). The simple idea of having multiple tabs within the browser window makes the flow of researching and investigating material on the web so much more fluid and intuitive.
What is it ?
You can load a page from a link by right-clicking "Open in a new tab" rather than (in the manner of IE) "open in a new window". Combine this new method with "load tabs in background" configurable in the Preferences and you have a model for launching many new pages from the one you're looking without distraction.
A typical scenario is that you arrive at a web page or search engine results page containing a lot of links you might want to pursue. By right-clicking "Open in New Tab", you continue viewing this starter page while your next avenues of reading load themselves unseen. Because they load in the background, you avoid having to click annoyingly back from each new browser window and your desktop doesn't get littered with potential research avenues.
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You can dedicate new instances of a browser window to each logical topic of investigation.
You could even get your Netscape/Mozilla browser to launch primed with multiple tabs opening, eg your organisation's web site, the weather, BBC news online, etc.
We're only talking about saving a few tens of seconds each time but the unburdening of mental distraction should not be underestimated. The "Load it for later" approach gives you the freedom to plan your trails of research more efficiently rather than being lured into investigating each trail as it turns up.
Benefits
Load multiple pages transparently
Reduce interruptions to your flow of online investigation
Drawbacks
Give up IE or wait until Microsoft incorporate tabs.
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Contacts
www.netscape.com
www.mozilla.org/
-IB-
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7. Clicks of the Trade
--- Quick tips for happier clicks! ---
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What to do next ?
Opening a new application or window presents you with a new and bewildering array of pull-down menus, buttons and links. What now?
Answer: right-click
Since the '95 version, Windows has been stuffed with user-friendly features like these so-called 'context menus'.
Right-clicking here and now should show a context menu of browser functions available, like Back, Print or Refresh.
Hint: Particularly useful where you have :
- dived into new territory or
- haven't read the help guides yet or
- to remind you of functions only used occasionally.
** try it now **
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Close down and clean up
The same context menu approach (above) is quick for shutting all the items shown open on your taskbar.
Don't worry, an application knows that a document (or whatever) may have changed and will prompt before closing down completely.
right-click | Close
** try it now **
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-IB-
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Overview of InfoBulletin
InfoBulletin is written and published by Co-Operative Systems and contains Information Technology tips that we come across during everyday research and support activities and which may be useful in improving your IT operations, either internally or on the Internet.
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