How are digital image files stored and played on a computer?
stored as mp3 and played using media player ;)
Where to Buy RAM and Memory Upgrades?
computer build/repair stores will usually stock new RAM, and all the common RAM at (increasingly rare) computer specialty stores.
if you are looking for old RAM or that is not commonly found in house computers, online stores will be your best bet. (amazon, fry's online, etc.)
also remember there are several types of ram, so make sure you know the type (normally DIMM)(ddr-XXXX) and if it is registered(r) or buffered before you buy unsupported ram.
What is the best way to stop people hacking in your computer?
The best way is to make a strong password on the account on your computer, and always log-out when you are done.
Plus, never tell your internet browser to 'remember' your passwords and always delete any suspicious e-mail, spam mail, viruses (using a virus protection software), and never open any suspicious attachments from e-mails.
What is the main input device for most computers?
This would depend on what type of computer you are discussing...
- For a personal computer (Desktop) or a Laptop this would be a keyboard followed closely by a mouse or touchpad.
- For a tablet this would be the touch screen.
What does it mean to say that a computer understands a program?
The only part of a program a computer understands is each instruction as it is presented to the instruction decoder. It understands the instruction by an intricately designed logic circuit and/or microprogram configured by a human computer hardware engineer. This engineer had to fully understand the instruction set of the machine to teach it to understand the instructions one at a time at runtime.
Device drivers
How do computer chips get faster?
The parts get smaller and the designs getter better. With smaller part the electricity doesn't have to travel as far and you can put in more memory etc into the computer.
With better designs such as multi-core processors a new computer can do different calculations at the same time, rather than having to wait for one to finished before it can start crunching another.
They also used to be able to up the voltage to speed up computers but it's reached a point that it's no longer practical to keep doing that.
Where can one go to purchase a projector made by Acer?
One can purchase an Acer Xga projector from an online store, such as Amazon, TigerDirect or directly from the electrical manufacturer Acer. One can also purchase an Acer Xga projector instore or online from Argos.
Why is it important to install antivirus?
Anti virus software is important because it specializes in the quarantining and removal of viruses. A virus is malicious code that has the ability to duplicate and they send copies of itself to other computers. Why are viruses bad. They can delete or alter files, send themselves to recipents on your contact list, freeze your computer and more. Anti virus software helps home users and business stay protected. However, there are plenty of more threats out there. So recommend Windows Live Onecare. It will protect you from all known threats. That includes worms, trojans, spyware, adware, phishing, pharming, and grayware
What are the semiconductor materials used in computers?
A material that is neither a good conductor of electricity (like copper) nor a good insulator (like rubber). The most common semiconductor materials are silicon and germanium. These materials are then doped to create an excess or lack of electrons. Computer chips, both for CPU and RAM (or memory), are composed of semiconductor materials. Semiconductors make it possible to miniaturize electronic components, such as transistors. Not only does miniaturization mean that the components take up less space, it also means that they are faster and require less energy.
How one can contact computer technical support?
Some computer companies will provide their customers with free technical support for a certain amount of time after the product is purchased. You should check the manufactures warranty and policies before buying a computer.
How do you stop someone from emailing you on facebook?
You could try Account / Privacy Settings / Block Lists and add the person's name in the block users box. The help text for this facility says:
Once you block someone, that person can no longer be your friend on Facebook or interact with you (except within applications and games you both use).
What is the cheapest laptop possible to buy?
Depends on if you want an internet service plan...if you want that then Verizon Wireless has a $200 netbook with internet plans $40 and up a month...or get an Acer Aspire One for $298...neither have CD/DVD-Rom drives...but they are cheap. and the Acer has 160Gb hard drive 1.6Ghz processor and 1Gb RAM as a basic package...not sure about the HP though
How do you transfer windows xp outlook express email to Windows Vista?
Download and install the free trial version of Outlook 2007 for Vista on your new Vista computer. Export the outlook files on your old computer in .pst files. Import these .pst files into Outlook 2007 on your new computer. Open Windows mail and import your mails and contacts from Outlook 2007. Remove the trial version of Outlook 2007 from your new computer.
What are the advantages of real time processing?
1. flood warning systems
2. booking systems (for airline, holiday.....)
3. autopilots for aircraft
4. computer games
5. traffic light control systems
6. controlling robots
How many gigabytes equal 1 bit?
One gigabyte is roughy one billion bytes. One byte has eight bits, so a gigabyte would equal about eight billion bits.
What was the name of the computer that charles Babbage invented?
The 'Difference Engine' - it was a mechanical calculator.
Where is it possible to buy Windows laptops?
Windows Laptops are very widespread in the retail industry and are fairly easy to obtain. The easiest way to buy a Windows laptop is from the retail giant Currys. This is a cash and carry store and if there is any problems it can be returned or fixed under their warranty.
Where can one purchase a laptop marketed to gamers?
When purchasing a laptop specifically for PC gaming, there are several things to consider, along with where to purchase one. The best gaming laptops for MMORPG games, like World of Warcraft, are going to be the ones with a lot of hard drive space and excellent graphics. But for a first person shooter game, like Halo, the hard drive space isn't really an issue. The best thing to do, is go to a site like TigerDirect or Alien Ware, and build your own to your exact specifications.
What part of the CPU stores program instructions during the execution of the program?
the microprocessor
When to Upgrade your Graphics Card?
That depends. The good graphics cards can cost hundreds. It really depends on what your doing. If all you do on a computer is type and e-mail, then it's probably not worth it. But if you do high speed gaming or something of the like, then it is probably in your best interest to buy a new one. E BAY and Craigslist can have some good ones for less.
What is the pace of a system clock on a computer measured by?
The unit of measurement used to measure a computerâ??s clock speed is called a hertz, A computerâ??s clock speed is normally measured in megahertz or gigahertz. A megahertz is one million ticks per second and one gigahertz is one billion ticks per second.