Computers

Basically a computer uses what is called machine language. This is represented by 0's and 1's and is very difficult to read/write. So we came up with assembler which is quite readable and pretty easy to program with. Different computer architectures however use different assembler instructions and you generally need some in depth understanding of how the chip in question works. Some are very easy to understand like Atmel AVR. If you are geared more towards a PC the target is generally an x86 chip and they are much messier. As programs grew and as programmers are lazy we found that it takes a loong time to code in Assembler so another layer of abstraction was introduced allowing us to write less code, this has resulted in different programming paradigms where you essentially have access to different programming languages that are better suited towards solving different problems and developing different kinds of programs. We generally refer to languages that are above Assembler in abstraction as "High-level" languages.

If you write a program in a high level language it will be translated ("compiled", "assembled") to Assembler and in the chip it will be machine code. See Related Link below as well.

Your IP address is recorded by the site you connect to even though you might have internet security. Your Internet Service Provider (ISP) can send all your download history to authorities if they are asked to. Plus everything you download leaves a ghost image on your hard drive and can be recovered anytime.

The Privacy Act of 1974 protects information stored on an automated information system. This act was established on December 31, 1974 by the 93rd United States Congress.

The value of a 1999 Pentium III computer that works well for creating and editing notes letters and homework and maintaining a budget is about 5 to 85.00 dollars U.S. and such equipment can still be commonly purchased at local thrift stores or via Internet sites or perhaps from friends who may still have such an old PC packed away in a basement, attic, or closet. The scrap value of the unit is 5 to 15 dollars U.S. Please take non-working equipment to a school used-computer collection event or to a computer equipment recycler to keep hazardous materials used in construction of the components from ending up in a landfill and then eventually in the water table that later becomes drinking water for many. Common operating system on the 1999 or 2000 A.D. PC will be Windows 3.1 (16bit) or Windows 95 (16/32 bit) or Windows 98, or Windows ME (Millennial Edition) or a version of Linux. Connection to networks for use to access the Internet is not advisable as none of the Mac or Microsoft operating systems is supported by the software companies anymore is such systems are vulnerable to virus or phishing or rootkit or other exploits. The old PC will not meet minimum requirements and will not be fast enough to load or to run modern popular Microsoft operating system software or application software so the ability to reload software depends on availability of the dated software that can run well on such an old slow PC. Consider Linux free-ware if the PC hardware works and only needs software. Much faster dual-core and triple core and quad-core computer systems can be obtained inexpensively and are more supportable and more usable for a full spectrum of common uses.

Typically, almost all laptops & PCs have atleast 1GB of RAM. With better & faster operating systems coming out, there are lots of computers with 2GB RAM and more.

Six basic categories of computers:

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Embedded computers

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Mobile devices

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Personal computers

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Midrange servers

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Mainframe computers

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Supercomputers

USB hubs are commonly used to connect several different devices to a computer system. In other words if someone wants to attached several printers, an external hard drive, a microphone, or any number of other devices to their computer at the same time they should buy a USB hub.

Yes and no. Your computer is the one that has to have a microphone. Since Windows is an operating system, that means that it is software. A microphone is a hardware thing, so it has nothing to do with Windows 7. Windows 7 does have a program to record sound from a microphone built into it. It is available by typing record in the start menu.

input devices

Computer input devices are anything that allows a user to control a computer or inputs information into a computer. These devices may include your mouse, keyboard, or gaming controller. They may also include devices such as your microphone or camera.

When looking for a good gaming computer, speed is everything. For CPU speed you're generally going to want something over 3.0 gigahertz and memory is equally important as you'll want something over 8 GB. Look for upgraded video & audio cards, as this will really increase your gameplay enjoyment.

Usually the RAM as it temporarily stores information to be processed and stored into the hard disk, but sometimes if the disk is asked to store information really quickly more quickly than physically possible it will be stored into the cache of the hard disk

batch files are used to make long tasks shorter.

for example, If I wanted to change the file extension of every file in the folder

EXAMPLEFOLDER from .txt to .doc, I could make a batch file that did that instantly,

rather than going into the properties of every file and changing the extension

manually

well the main difference is that in a parallel system there is multiple computing units (cpu) working in one node(they share memory ,attached devices , storage...) to accomplish a computing goal

in a clustered there is multiple nodes each has its own resources running its own copy of os (usually connected via lan) to accomplish a computing goal

Neither. A computer contains both input and output devices. Many modern input and output devices contain embedded computers, that interface between the main computer and the actual input or output hardware of the device.

A program named "Rother J" was the first computer virus to come into sight "in the wild" - that is, outside the single computer or lab where it was created. Created in 1981 by Richard Skrenta, it attached itself to the Apple DOS 3.3 operating system and spread via floppy disk. This virus was created as a practical joke when Richard Skrenta was still in high school. It was injected in a game on a floppy disk. On its 50th use the Elk Cloner virus would be activated, infecting the computer and displaying a short poem beginning "Elk Cloner: The program with a personality."

On the side of the tower. Its a large black space and nobody see it ever.

printer

Yes: Desktops have standardardized formfactors for their peripherals whereas laptops have different formfacters for each company. Also, the components are larger, there is more room for new components within the case, and more expansion ports in a desktop computer.

You would use safe mode when trying to diagnose a computer problem or remove a virus. When in safe mode the computer does not connect to the internet so any program running is suppressed and unable to harm your PC further while you try to remove it.

Click and drag the program you wish to make an icon for from your start menu to the desktop; then drop it, and it will appear.

Alternatively, you can right click on the program in your start menu. Search the menu that pops up for the "Send to" option. On the menu that pops up after that, click on "Desktop (create shortcut)", and it should pop up as an icon on your desktop.

You could also right click the program in your start menu; click "Copy"; go to your desktop; right click, and hit "Paste".

All printers are peripheral.

Peripheral means the device can be directly connected to the computer.

Computers help in the office by providing time management, and data management productivity solutions such as calendar scheduling, document creating and editing, spreadsheet creation and editing, presentation creation and editing, databases, and internet access for online ordering, electronic communication, and access to a world wide web of information.