Wireless networking can be kind of scary from a security standpoint. It opens up whole new attack vectors that were not present with wired network infrastructures. That doesn’t mean you can’t do it securely, however, and I aim to give you some ideas that can help you in that regard.
Many of these tips are likely to be inapplicable to a lot of people. For instance, if you’re running a wireless network that has to allow connections from a changing lineup of computers so that the specific computers on the network will not be constant, the point about restricting access by MAC address is unlikely to do much good. As always, you must exercise some common sense when reading through a list of security tips like this. You have to determine what options apply to you, and whether the fact that your plans make a given suggestion unusable means your plans are wrong or the suggestion simply is not relevant in your case.
1. Use a strong password. As I pointed out in the article A little more about passwords, a sufficiently strong password (on a system with decent password protection) makes the likelihood of cracking the password through brute force attacks effectively impossible. Using a sufficiently weak password, on the other hand, almost guarantees that your system will be compromised at some point.
2. Don’t broadcast your SSID. Serious security crackers who know what they are doing will not be deterred by a hidden SSID — the “name” you give your wireless network. Configuring your wireless router so it doesn’t broadcast your SSID does not provide “real” security, but it does help play the “low hanging fruit” game pretty well. A lot of lower-tier security crackers and mobile malicious code like botnet worms will scan for easily discovered information about networks and computers, and attack those that have characteristics that make them appear easy to compromise. One of those is a broadcast SSID, and you can cut down on the amount of traffic your network gets from people trying to exploit vulnerabilities on random networks by hiding your SSID. Most commercial grade router/firewall devices provide a setting for this.
3. Use good wireless encryption. WEP is not exactly “good” encryption. With a freely available tool like aircrack, you can sniff wireless traffic protected by WEP and crack security on that network in a matter of minutes. WPA is the current, common encryption standard you should probably be using — though, of course, you should use something stronger as soon as it becomes available to you. Technology is advancing every day, on both sides of the encryption arms race, after all.
4. Use another layer of encryption when possible. Don’t just rely on wireless encryption to provide all your security on wireless networks. Other forms of encryption can improve the security of the systems on the network, even if someone happens to gain access to the network itself. For instance, OpenSSH is an excellent choice for providing secure communications between computers on the same network, as well as across the Internet. Using encryption to protect your wireless network does not protect any communications that leave the network, so encryption schemes like SSL for dealing with e-commerce Websites is still of critical importance. The fact you’re using one type of encryption in no way suggests you should not be using other types of encryption as well.
5. Restrict access by MAC address. Many will tell you that MAC address restriction doesn’t provide real protection but, like hiding your wireless network’s SSID, restricting the MAC addresses allowed to connect to the network helps ensure you are not one of the “low hanging fruits” that people prefer to attack. It is best to be effectively invulnerable to the expert security cracker, but there’s nothing wrong with being less palatable to the amateur as well.
6. Shut down the network when it’s not being used. This bit of advice is even more dependent on specific circumstances than most of them. If you have the sort of network that does not need to be running twenty-four hours a day, seven days a week, you can reduce the availability of it to security crackers by turning it off when it isn’t in use. While many of us run networks that never sleep, and cannot really put this suggestion into practice, it is worth mentioning if only because one of the greatest improvements to the security of a system you will ever encounter is to simply turn it off. Nobody can access what isn’t there.
7. Shut down your wireless network interface, too. If you have a mobile device such as a laptop that you carry around with you and use in public, you should have the wireless network interface turned off by default. Only turn it on when you actually need to connect to a wireless network. The rest of the time, an active wireless network interface is nothing more than another attack vector for malicious security crackers to use as a target.
8. Monitor your network for intruders. You should always make sure you have an eye on what’s going on, that you are tracking attack trends. The more you know about what malicious security crackers are trying to do to your network, the better the job of defending against them you can do. Collect logs on scans and access attempts, use any of the hundreds of statistics generating tools that exist to turn those logs into more useful information, and set up your logging server to email you when something really anomalous happens. As a certain cartoon military SpecOps team from the 1980s would tell you, knowing about the danger is half the battle.
9. Cover the bases. Make sure you have some kind of good firewall running, whether on a wireless router or on a laptop you use to connect to wireless networks away from home. Make sure you turn off unneeded services, especially on MS Windows where the unneeded services that are active by default might surprise you. In fact, do everything you can to secure your system regardless of OS platform, mobility of the system, or type of network.
10. Don’t waste your time on ineffective security measures. Every now and then, I run across some technically deficient end user handing out free advice about security based on things overheard and half-understood. Generally, this advice is merely useless, though often enough it can be downright harmful. The single most common bit of bad advice I hear from such people with regard to wireless networking is the admonition that when connecting to a public wireless network, such as in a coffee shop, you should only connect if the network uses wireless encryption. Sometimes these people get the advice half right, and recommend only connecting to networks protected by WPA — it’s half right only because WPA is the wireless encryption you should use, if you are going to use wireless encryption at all. There is no point in trying to “protect” yourself by connecting to a public access point only if it uses encryption, however, because the fact that the encryption key will be handed out to anyone that asks for it completely obviates the supposed protection you expect. It’s a bit like locking the front door of the house, but leaving a big sign on the door that says “The key is under the welcome mat,” which only protects against illiterate burglars. If you want your network to be available to everyone that walks onto the premises, just leave it unencrypted, and if you need to connect to the Internet in some public location, don’t worry about encryption. In fact, if anything, the wireless encryption might more properly serve as a deterrent rather than an enticement to using that particular wireless network, because it reduces convenience without effectively improving security at all.
Most of the security tips one can offer about wireless networking are the sort of thing someone might call “common sense”. Unfortunately, there’s an awful lot of “common sense” floating around out there, and it’s not easy to keep it all in mind all the time. You should always check up on your wireless networks and mobile computers regularly to make sure you aren’t missing something important, and you should always double-check your assumptions to make sure you aren’t wasting your energy on something not only unnecessary, but entirely useless, when more effective security measures could use your attention.
-Source - techRepublic-
Monday, February 16, 2009
Shukord in 10 ways to customize Outlook menus and toolbars
Outlook comes with two types of built-in command bar objects, the Menu Bar and toolbars. Only one Menu Bar is allowed, but you can customize both it and the built-in toolbars. In addition, you can add custom toolbars to automate specialized or repetitive tasks. Fortunately, command bars are easy to configure and create in any Office application, including Outlook. Here are some of the various ways you can tailor Outlook to suit your working style.
#1: Rearrange existing commands
Most of us use a few commands a lot, and seldom, if ever, use the rest. You can rearrange the commands on the Menu Bar or a toolbar, making selection a bit more efficient. To do so, choose Tools | Customize, click the Commands tab, and click Rearrange Commands. In the Rearrange Commands dialog box, select either the Menu Bar or Toolbar option. Then, choose the appropriate menu (if you selected the Menu Bar option) or toolbar (if you selected Toolbar) from the drop-down list at the top of the dialog box. The Controls list box will display the commands, including submenus, as they appear from top to bottom on the menu (or left to right on the selected toolbar).
You can add, delete, or move a command up or down (or left and right). Clicking Add will position the new item above or to the left of the selected command. You can also modify the selection by changing its caption and other attributes. Select Begin A Group if you want to add a separator above or beside the selected command. Clicking Reset removes all the customization in case you need to start over.
#2: Move commands the easy way
You don’t have to use the Customize dialog box to move commands on a toolbar. Hold down the Alt key, click on a button, and drag it to an alternate position or off the toolbar completely. To restore the tool, reset the toolbar or use the Customize dialog box to put it back.
If you remove a custom command, you’ll have to rebuild it if you ever need it again. Consider removing custom commands to a custom toolbar created for the purpose of storing custom commands you think you no longer need. Someday, you may want that command and you can simply restore it from the custom toolbar instead of rebuilding it.
#3: Disable personalized menus
The personalized menu feature displays only the commands you use the most often. You might find this feature more irritating than helpful, especially when you’re looking for a seldom-used command and can’t find it simply because Outlook isn’t displaying it. To disable this feature, choose Customize | Tools. In the Options tab, check the Always Show Full Menus option and click Close. This option will affect the entire Office suite, not just Outlook.
Developers can find the details for personalized menus in a file named msout11.pip in the C:\Documents and Settings\Application Data\Microsoft\Office folder.
#4: Store your customization
Outlook stores the changes you make to command bars in a file named outcmd.dat. If you want to reset all of your command bars to their default settings, simply delete this file. But be careful. Deleting this file will wipe out all of your custom command bars.
If you’ve spent a lot of time customizing Outlook, store a backup of outcmd.dat in a safe place. Then, if you have to reinstall Outlook, restore your customized command bars by replacing outcmd.dat with your stored copy. You can also use outcmd.dat to copy your customizations to other systems. Simply save it over the exiting file.
#5: Create custom toolbars
To create a custom toolbar, open the Customize dialog box by choosing Customize | Tools. Everything you need is in one spot. Click the Toolbars tab and then click New. In the New Toolbar dialog box, enter a name and click OK. Outlook will create a new, empty toolbar. Just switch to the Commands tab to add built-in commands to the new toolbar by dragging them from the Commands list.
You can create commands for any folder or form, except for Note forms. Outlook displays custom toolbars in all views, but it’s smart enough to enable only those commands that apply to the current view.
# 6: Create hyperlinks for quick access
All of us have a folder we use more than the others. It might contain e-mail from family and friends or store critical information about your current project. Instead of wading through the folders hierarchy to access it, add a hyperlink command to a command bar.
First, display the Web toolbar (right-click any toolbar and select Web). Then, navigate to the folder in question so you can see its path displayed in the Web toolbar’s address box. For instance, if you selected the Inbox, the Web toolbar would display the path Outlook:Inbox.
Next, choose Tools | Customize, click the Commands tab, and choose Web from the Categories list. Scroll to the bottom of the Commands list box and drag the Folder command to a toolbar. Right-click the Folder command, choose Assign Hyperlink, and then select Open from the resulting submenu to open the Assign Hyperlink: Open dialog box. Enter the folder’s path in the Address field and click OK. Now, anytime you want to access that folder, just click the new hyperlink command. This shortcut also works for Web addresses and local files.
#7: Create a Mail To hyperlink
If you send the same e-mail message to the same list on a regular basis, you can create a hyperlink command to reduce some of your work. For instance, let’s suppose your group has a weekly meeting and before that meeting, you e-mail an agenda to everyone in the group. Now, there’s more than one way you could automate this task, but a hyperlink command is the simplest.
Begin by choosing Tools | Customize and clicking the Commands tab. With File selected in the Categories list box, drag Mail Message from the Commands list box to a toolbar. Right-click the Mail Message command to display its properties. Since Outlook uses the New Mail Message icon, choose Text Only or select Change Button Image to pick a different icon for the command.
Next, click the Assign Hyperlink option and choose Open from the resulting submenu. In the Edit Hyperlink: Open dialog box, click E-mail Address in the Link To section (bottom left). Then, enter the name of your group’s distribution list or enter each individual’s e-mail address separately in the E-mail Address field. Add a descriptive subject and then click OK.
Each week, when you’re ready to send the meeting’s agenda, click the hyperlink command and Outlook will display a new e-mail form, pre-filled with the appropriate e-mail addresses and subject text.
#8: Use command bar shortcuts
Not everyone uses the mouse for everything. If you’re more at home using the keyboard, you probably appreciate keyboard shortcuts. There are a number for working with command bars. First, activate the menu bar by pressing F10. Then you can use any of these shortcuts:
Action Result
Ctrl+Tab Select next toolbar
Ctrl+Shift+Tab Select previous toolbar
Tab Select next button or menu
Shift+Tab Select previous button or menu
Up or Down arrow+Enter Select an option from a menu or drop-down list
#9: Create a button image
Use the Office Button Editor to create custom icons for your custom commands. It’s a bit limited, but it will get the job done most of the time. With the Customize dialog box open (Tools | Customize), right-click the command and choose Edit Button Image to launch Button Editor. Choose a color and then click a square or selection of squares in the Picture grid. You can also paste in a bitmap file that’s 32 x 32 pixels or smaller.
#10: Beware of the Reset option
If you add a custom tool to the Menu Bar or to one of Outlook’s built-in toolbars, you need to be careful about the Reset option. In fact, you might be better off creating a custom toolbar instead of altering the built-in Menu Bar or toolbars. It’s just too easy to reset them without realizing that you’re wiping out a custom tool — until later when you need it and it’s no longer there. To reset the Menu Bar or a built-in toolbar, all you do is choose Tools | Customize, click the Toolbars tab, select the object you want to reset, and click Reset. This will remove all customization from the selected command bar, so make sure that’s what you really want to do.
-Source frm techRepublic-
#1: Rearrange existing commands
Most of us use a few commands a lot, and seldom, if ever, use the rest. You can rearrange the commands on the Menu Bar or a toolbar, making selection a bit more efficient. To do so, choose Tools | Customize, click the Commands tab, and click Rearrange Commands. In the Rearrange Commands dialog box, select either the Menu Bar or Toolbar option. Then, choose the appropriate menu (if you selected the Menu Bar option) or toolbar (if you selected Toolbar) from the drop-down list at the top of the dialog box. The Controls list box will display the commands, including submenus, as they appear from top to bottom on the menu (or left to right on the selected toolbar).
You can add, delete, or move a command up or down (or left and right). Clicking Add will position the new item above or to the left of the selected command. You can also modify the selection by changing its caption and other attributes. Select Begin A Group if you want to add a separator above or beside the selected command. Clicking Reset removes all the customization in case you need to start over.
#2: Move commands the easy way
You don’t have to use the Customize dialog box to move commands on a toolbar. Hold down the Alt key, click on a button, and drag it to an alternate position or off the toolbar completely. To restore the tool, reset the toolbar or use the Customize dialog box to put it back.
If you remove a custom command, you’ll have to rebuild it if you ever need it again. Consider removing custom commands to a custom toolbar created for the purpose of storing custom commands you think you no longer need. Someday, you may want that command and you can simply restore it from the custom toolbar instead of rebuilding it.
#3: Disable personalized menus
The personalized menu feature displays only the commands you use the most often. You might find this feature more irritating than helpful, especially when you’re looking for a seldom-used command and can’t find it simply because Outlook isn’t displaying it. To disable this feature, choose Customize | Tools. In the Options tab, check the Always Show Full Menus option and click Close. This option will affect the entire Office suite, not just Outlook.
Developers can find the details for personalized menus in a file named msout11.pip in the C:\Documents and Settings\Application Data\Microsoft\Office folder.
#4: Store your customization
Outlook stores the changes you make to command bars in a file named outcmd.dat. If you want to reset all of your command bars to their default settings, simply delete this file. But be careful. Deleting this file will wipe out all of your custom command bars.
If you’ve spent a lot of time customizing Outlook, store a backup of outcmd.dat in a safe place. Then, if you have to reinstall Outlook, restore your customized command bars by replacing outcmd.dat with your stored copy. You can also use outcmd.dat to copy your customizations to other systems. Simply save it over the exiting file.
#5: Create custom toolbars
To create a custom toolbar, open the Customize dialog box by choosing Customize | Tools. Everything you need is in one spot. Click the Toolbars tab and then click New. In the New Toolbar dialog box, enter a name and click OK. Outlook will create a new, empty toolbar. Just switch to the Commands tab to add built-in commands to the new toolbar by dragging them from the Commands list.
You can create commands for any folder or form, except for Note forms. Outlook displays custom toolbars in all views, but it’s smart enough to enable only those commands that apply to the current view.
# 6: Create hyperlinks for quick access
All of us have a folder we use more than the others. It might contain e-mail from family and friends or store critical information about your current project. Instead of wading through the folders hierarchy to access it, add a hyperlink command to a command bar.
First, display the Web toolbar (right-click any toolbar and select Web). Then, navigate to the folder in question so you can see its path displayed in the Web toolbar’s address box. For instance, if you selected the Inbox, the Web toolbar would display the path Outlook:Inbox.
Next, choose Tools | Customize, click the Commands tab, and choose Web from the Categories list. Scroll to the bottom of the Commands list box and drag the Folder command to a toolbar. Right-click the Folder command, choose Assign Hyperlink, and then select Open from the resulting submenu to open the Assign Hyperlink: Open dialog box. Enter the folder’s path in the Address field and click OK. Now, anytime you want to access that folder, just click the new hyperlink command. This shortcut also works for Web addresses and local files.
#7: Create a Mail To hyperlink
If you send the same e-mail message to the same list on a regular basis, you can create a hyperlink command to reduce some of your work. For instance, let’s suppose your group has a weekly meeting and before that meeting, you e-mail an agenda to everyone in the group. Now, there’s more than one way you could automate this task, but a hyperlink command is the simplest.
Begin by choosing Tools | Customize and clicking the Commands tab. With File selected in the Categories list box, drag Mail Message from the Commands list box to a toolbar. Right-click the Mail Message command to display its properties. Since Outlook uses the New Mail Message icon, choose Text Only or select Change Button Image to pick a different icon for the command.
Next, click the Assign Hyperlink option and choose Open from the resulting submenu. In the Edit Hyperlink: Open dialog box, click E-mail Address in the Link To section (bottom left). Then, enter the name of your group’s distribution list or enter each individual’s e-mail address separately in the E-mail Address field. Add a descriptive subject and then click OK.
Each week, when you’re ready to send the meeting’s agenda, click the hyperlink command and Outlook will display a new e-mail form, pre-filled with the appropriate e-mail addresses and subject text.
#8: Use command bar shortcuts
Not everyone uses the mouse for everything. If you’re more at home using the keyboard, you probably appreciate keyboard shortcuts. There are a number for working with command bars. First, activate the menu bar by pressing F10. Then you can use any of these shortcuts:
Action Result
Ctrl+Tab Select next toolbar
Ctrl+Shift+Tab Select previous toolbar
Tab Select next button or menu
Shift+Tab Select previous button or menu
Up or Down arrow+Enter Select an option from a menu or drop-down list
#9: Create a button image
Use the Office Button Editor to create custom icons for your custom commands. It’s a bit limited, but it will get the job done most of the time. With the Customize dialog box open (Tools | Customize), right-click the command and choose Edit Button Image to launch Button Editor. Choose a color and then click a square or selection of squares in the Picture grid. You can also paste in a bitmap file that’s 32 x 32 pixels or smaller.
#10: Beware of the Reset option
If you add a custom tool to the Menu Bar or to one of Outlook’s built-in toolbars, you need to be careful about the Reset option. In fact, you might be better off creating a custom toolbar instead of altering the built-in Menu Bar or toolbars. It’s just too easy to reset them without realizing that you’re wiping out a custom tool — until later when you need it and it’s no longer there. To reset the Menu Bar or a built-in toolbar, all you do is choose Tools | Customize, click the Toolbars tab, select the object you want to reset, and click Reset. This will remove all customization from the selected command bar, so make sure that’s what you really want to do.
-Source frm techRepublic-
Disebalik Megapiksel dan Kamera
Megapiksel merupakan salah satu faktor penting yang perlu dipertimbangkan sebelum membeli sebuah kamera digital. Namun hari ini, ia mungkin tidak lagi relevan.Megapiksel merupakan unit ukuran yang menentukan berapa banyak piksel atau elemen gambar yang boleh dimuatkan ke dalam sensor sesebuah kamera. Satu megapiksel bersamaan dengan 1 juta piksel.
Anda hanya memerlukan kamera dengan tiga megapiksel untuk mencetak gambar berukuran standard 4R. Untuk mencetak gambar bersaiz 8R pula, anda hanya memerlukan sebanyak 8 megapiksel. Sekiranya kamera anda mempunyai megapiksel yang tidak mencukupi dan anda cuba untuk mencetak gambar berukuran besar, kualiti cetakannya tidak akan menarik iaitu gambar akan kelihatan sedikit kabur.
Apabila memilih kamera kompak yang mana untuk dimiliki, megapiksel bukanlah sesuatu yang perlu terlalu dititikberatkan. Apa yang perlu diberikan keutamaan hari ini ialah saiz sensor sesebuah kamera. Semakin besar sensor sesebuah kamera itu, semakin baik kualiti gambar yang mampu dihasilkan.
Semakin besar sensor bermakna semakin banyak cahaya dan semakin banyak cahaya dapat diambil oleh sesebuah kamera, semakin baik warna dan kontrasnya. Dengan sensor bersaiz besar, gambar yang diambil di dalam bangunan tanpa lampu limpah (flash) akan kelihatan lebih berkualiti berbanding kamera yang mempunyai sensor yang lebih kecil.
Malangnya, kamera kompak tidak mampu memuatkan sensor yang besar kerana ia perlu kekal kecil, padat dan mudah dibawa. Saiz sensor pada kamera kompak boleh menjadi lebih kecil daripada kuku jari kelingking.
Ini adalah penyebab utama mengapa kamera kompak sukar menghasilkan gambar yang berkualiti dalam keadaan yang kurang cahaya tanpa penggunaan flash. Bagi mengetahui saiz sensor sesebuah kamera, anda boleh memeriksa butiran pada manual kamera. Ia lazimnya dirujuk sebagai CMOS, CCD, elemen pengimejan atau sensor imej, tetapi tidak boleh lari dengan bacaan ukuran seperti 1/2.7 inci, yang merujuk kepada saiz sensornya.
Sebagai perbandingan, kamera Digital SLR profesional mempunyai sensor yang besarnya sehingga 30 kali ganda berbanding kamera kompak. Tidak hairanlah saiznya juga jauh lebih besar berbanding kamera biasa.
Kaedah penyelesaian bagi mempertingkatkan kualiti foto pada kamera kompak ialah dengan cara mengurangkan bilangan megapikselnya. Dengan bilangan megapiksel yang kurang bermakna setiap piksel di dalam sensor kini boleh mendapat lebih cahaya sekali gus meningkatkan kualiti gambar.
Namun ini tidak bererti industri kamera digital akan menghentikan perlumbaan megapiksel ini. Seperti mana pengguna menilai prestasi sesebuah komputer berdasarkan Gigahertz (GHz), membandingkan megapiksel merupakan kaedah termudah untuk si penjual membandingkan kemampuan kamera mereka dengan kamera pengeluar lain.
Untuk menyedarkan pengguna akan kenyataan ini bukanlah sesuatu yang mudah. Ia memerlukan usaha, masa dan wang ringgit. Hakikatnya, inilah kebenaran di sebalik mitos megapiksel.
Anda hanya memerlukan kamera dengan tiga megapiksel untuk mencetak gambar berukuran standard 4R. Untuk mencetak gambar bersaiz 8R pula, anda hanya memerlukan sebanyak 8 megapiksel. Sekiranya kamera anda mempunyai megapiksel yang tidak mencukupi dan anda cuba untuk mencetak gambar berukuran besar, kualiti cetakannya tidak akan menarik iaitu gambar akan kelihatan sedikit kabur.
Apabila memilih kamera kompak yang mana untuk dimiliki, megapiksel bukanlah sesuatu yang perlu terlalu dititikberatkan. Apa yang perlu diberikan keutamaan hari ini ialah saiz sensor sesebuah kamera. Semakin besar sensor sesebuah kamera itu, semakin baik kualiti gambar yang mampu dihasilkan.
Semakin besar sensor bermakna semakin banyak cahaya dan semakin banyak cahaya dapat diambil oleh sesebuah kamera, semakin baik warna dan kontrasnya. Dengan sensor bersaiz besar, gambar yang diambil di dalam bangunan tanpa lampu limpah (flash) akan kelihatan lebih berkualiti berbanding kamera yang mempunyai sensor yang lebih kecil.
Malangnya, kamera kompak tidak mampu memuatkan sensor yang besar kerana ia perlu kekal kecil, padat dan mudah dibawa. Saiz sensor pada kamera kompak boleh menjadi lebih kecil daripada kuku jari kelingking.
Ini adalah penyebab utama mengapa kamera kompak sukar menghasilkan gambar yang berkualiti dalam keadaan yang kurang cahaya tanpa penggunaan flash. Bagi mengetahui saiz sensor sesebuah kamera, anda boleh memeriksa butiran pada manual kamera. Ia lazimnya dirujuk sebagai CMOS, CCD, elemen pengimejan atau sensor imej, tetapi tidak boleh lari dengan bacaan ukuran seperti 1/2.7 inci, yang merujuk kepada saiz sensornya.
Sebagai perbandingan, kamera Digital SLR profesional mempunyai sensor yang besarnya sehingga 30 kali ganda berbanding kamera kompak. Tidak hairanlah saiznya juga jauh lebih besar berbanding kamera biasa.
Kaedah penyelesaian bagi mempertingkatkan kualiti foto pada kamera kompak ialah dengan cara mengurangkan bilangan megapikselnya. Dengan bilangan megapiksel yang kurang bermakna setiap piksel di dalam sensor kini boleh mendapat lebih cahaya sekali gus meningkatkan kualiti gambar.
Namun ini tidak bererti industri kamera digital akan menghentikan perlumbaan megapiksel ini. Seperti mana pengguna menilai prestasi sesebuah komputer berdasarkan Gigahertz (GHz), membandingkan megapiksel merupakan kaedah termudah untuk si penjual membandingkan kemampuan kamera mereka dengan kamera pengeluar lain.
Untuk menyedarkan pengguna akan kenyataan ini bukanlah sesuatu yang mudah. Ia memerlukan usaha, masa dan wang ringgit. Hakikatnya, inilah kebenaran di sebalik mitos megapiksel.
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