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Computers

This category includes questions and answers about computers and everything related to computers.

48,002 Questions

How can one upload a file onto a computer?

Generally, 'uploading' is used for moving a file from one computer to another (often through a storage device) or from a computer to the Internet, while 'downloading' refers to getting a file from the Internet or a network and putting it onto a computer. Uploading is easily accomplished by hooking up a storage device to a computer (like a flash drive or external hard drive), opening the list of files on the drive, and copying or moving files from the drive to the computer.

Why does your computer keep saying the host SMTP could not be found?

This means the information you entered for your SMTP (simple mail transport protocol) is not correct. Please check your settings in your mail client (outlook or thunderbird or etc)

If you gave me more information like your mail client, mail provider and screenshot of your issue I could fix it for you.

What does KB mean in computer terms mean?

Depending on the context, it has several possible meanings. It's capitalization is supposed to differentiate between the meanings, but many abbreviations in the computer world are misused.

kb (all lower-case) officially stands for kilobit- 103 or 1000 bits. It should be, but usually isn't, written as kbit to avoid confusion between a bit (a single piece of digital data) and a byte (8 bits), both of which can be abbreviated b. It's used almost exclusively when referring to data transmission speeds, as in "The modem transmitted at 53 kbits/second (or 53 kbs)".

kB (capital B) stands for kilobyte (103 or 1000 bytes).

KB (all caps) also stands for kilobyte but in binary terms (210 or 1024 bytes), used primarily in reference to an amount of data in the computer world.

The confusion between metric and binary kilo- comes from early computer scientists who used the metric prefix kilo-because 1024 is close to 1000. They didn't think their work would become common enough knowledge that it would matter, so amongst themselves 1024 bytes became a kilobyte. Their work, however, became common knowledge. To eliminate the confusion, the International Electrotechnical Commission (IEC) has established the kibi- (from kilo and binary) to be used when referring to a value of 1024 (210). This means that a KB should now be a kibibyte.

KB is also sometimes used for Knowledge Base, as in "The Microsoft Hotfix is KB910245".

Why is Deviantart.com being displayed weirdly on my computer?

Try updating your internet browser and insure you have adobe flash player and internet setting correctly configured. Try using Google Chrome or Firefox.

What can be done when a dongle is connected but there is neither receive nor send rate?

Enable and desable dongle and do proper setting if still same problem persist , call customer care belonging

How do you get rid of a personal computer's contagious files for free?

Download AVG Free anti-virus & Malwarebytes anti-malware & run scans for starters.

What does the order of precedence mean in the computer language?

Think of BOMDAS

Brackets

Of

Multiplication

Division

Addition

Subtraction

It is the order in which parts of a calculation are done when you have a mix of operators. "Of" relates to power of. Computers follow the laws of mathematics. Calculations are not always done left to right. For example:

10+2*5

The answer here is 20, and not 60 which many people would think. The 2*5 is done first because multiplication is done before addition. So the 2 is multiplied by 5, giving 10, and that 10 is added to the first 10, giving 20. As anything inside brackets is done first, changing the formula as follows will give 60:

(10+2)*5

Here the 10 and 2 are added, because the calculation is inside the brackets. That gives 12, which when multiplied by 5 gives 60.

Here is another one, showing that power of is done before multiplication. It will square 10, giving 100 and then multiply it by 3, giving 300.

3*10²

Multiplications and Divisions actually have equal precedence. So they are always done left to right. So in this one the multiplication is done first and then the division:

3*2/4

In this one the division is done first and then the multiplication:

3/2*4

Because of this, BOMDAS can also be written as BODMAS.

Additions and subtractions also have equal precedence with each other and so are done left to right, but only after multiplications and divisions have been completed. Only brackets can change that, as in the second example.

There is also order of operations for logical or boolean operations, which is in the order Brackets, Not, And, Or.

How power management improves computer performance?

Performance means many different things. Power management is designed to find a good compromise between power consumption (with the aim of reducing power consumption) and computing performance (with the aim of providing sufficiently fast handling of calculations and events). Power management thus improves the computer's performance in terms of battery lifetime.

However, power management algorithms do not simply try to minimize the power consumption by slowing down a computer. Instead, power management algorithms generally try to find a good compromise based on the current demand. Thus, as demand grows, power management might increase the CPU speed, enable more CPU cores or take similar steps to enhance the computing performance (at the expense of increased power consumption).

As long as power management algorithms are allowed to find the best compromise automatically (as opposed to being forced into rigid "minimum power" or "maximum CPU performance" policies), power management algorithms will generally improve the overall computer performance thus.

When was Computer Zeitung created?

Computer Zeitung was created in 1970.

What is a BOOTMGR to a computer?

The BOOTMGR is a program that runs when you start your PC, and loads your operating system from the hard drive. When it is missing, Windows is unable to boot.

What can you say about computer hocking?

Sometimes hocking your computer is the only way you can get enough money to pay your rent. Other times you may hock a computer to purchase something you want more than you want a computer. However, when you return to the pawn shop to get your computer out of hock, you may have to pay more than the computer is worth. Hocking anything is an expensive, yet sometime necessary, way to provide collateral for a high-interest loan. Of course, if the question contains a typo and you meant "hacking" instead of "hocking," that would be a different matter.

Why do you up to date antivirus software?

So that your antivirus software could protect you against the newest and most recent threats.

What is utility computing?

Utility computing is a service provisioning model in which a service provider makes computing resources and infrastructure management available to the customer as needed, and charges them for specific usage rather than a flat rate.

Do lenovo computers have a reputation for bad wifi problems?

The Lenovo product should be no better or worse than any other. Remember that Lenovo was originally sold as reputable IBM machines.

You should search the internet for reports or complaints about your Lenovo model. If it is still under warranty, you should discuss it with Lenovo support. Sometimes there are problems in production runs. it could be your machine hardware, software or firmware. If you know how, you should make sure your machine has the latest BIOS firmware version installed. The same with networking software through Microsoft update.

Sometimes, the location of your computer makes a difference, move it to another room and see if the problem goes away, or gets worse. Wifi can be affected by interference from fluorescent lighting fixtures, microwaves, cordless phones, etc.

You can try a different router (borrow one from a friend for a while). Sometimes a computer just will not work well work with a certain router or brand of routers. Sometimes updating the router firmware can fix a problem.

You can purchase a wifi network adapter that plugs into a USB port for a few dollars. If that works better than your internal adapter, than you know where the problem is and you also have a USB replacement for the internal WIFI adapter.

If you are still having problems you may want to have a professional take a look at it. There are router settings that can be tweaked that may improve the situation.

What is a flat circuit board that controls communication for the entire computer system?

The flat circuit board inside a computer is called Mother Board. Yes , this provide all the circuitry for the computer and connect different components together. Then the components have their own circuit boards which provide internal and external connections.

It's for 1 computer license one time purchase?

It's for 1 computer license one time purchase

What are the main usages and size of storage of a tablet computer?

Tablet computers (or simply 'Tablets') are the newest in computing technology and come in many varieties. The uses for tablets are as numerous as the uses for laptops. Work, email and social networking are among the top uses for these devices but of course there are many more. Tablets, like laptops, can have a variety of hard drive space, ranging from 32gb (gigabyte) all the way up to (and beyond) 1 tb (terabyte).

Getting the Most From Your Laptop Computer?

The laptop computer completely changed the way that the world looks at computers. These devices are found all across the country and the society greatly relies on them to accomplish many things. If you are the owner of a laptop, you most likely think of it as one of the most important devices that you have. In order to get the most from your laptop, you should educate yourself as to all of the ways that it can be used. If you are not that familiar with your laptop, you are most likely missing out on a great deal of features and modern conveniences.

If I purchase a Dell desktop, do I have to buy a Dell monitor, or can I use any brand for my monitor?

You can get any monitor you like.Dell seems to think very highly of theirs though.

How do you move a user from a hard drive to an ssd?

To move your Windows, create a recovery image. You don't need any third-party apps to do it. You can use Windows tools.
To do it:
• Go to Control Panel / File History / System Image Backup /Create a system image.
• In Windows 7, it is Control Panel / Backup and Restore /Create a system image.
• Select a media to save the image and click Next.

As a result, a complete system image will be created, including all installed applications and programs, files and shortcuts as well as settings.

After that:
• Connect the media containing the system image and the USB bootable drive to the new computer
• Boot the computer with the USB drive.
• To do it, go to BIOS or UEFI and set first boot priority to the USB device.
• Then restart the computer.

• After the computer boots from the USB drive, use it to go to recovery environment by selecting the menu System Restore.

• In the recovery environment, go to Troubleshooting /System image recovery.

• Then follow the wizard directions to recover the system from an image
• and the recovery process will start.
• Wait until it is over.

Here is one very important aspect.
Transferring Windows from one computer to another is only possible if they have similar interfaces: BIOS and BIOS, or UEFI and UEFI. You can also move the system from a computer with BIOS to a computer with UEFI.
As all modern PCs have UEFI, you are not going to have any problems.
But if you try to move Windows from a computer with UEFI to a computer with BIOS, it will not work. The system image will not be restored and you will see an error message saying about incompatibility of different versions of microcode.

• When the recovery process is successful, the computer will restart and boot the same Windows which you used to create the image.

System transfer is shown on the example of Windows 10. In Windows 7, your actions will be the same. Just when you unfold the image on a new PC, the recovery environment interface will be different.

Explain the differences between the computers of today and the computers 10 years ago?

Computers in the form of personal desktop computers, laptops and tablets have become such an important part of everyday living that it can be difficult to remember a time when they did not exist. In reality, computers as they are known and used today are still relatively new. Although computers have technically been in use since the abacus approximately 5000 years ago, it is modern computers that have had the greatest and most profound effect on society. The first full-sized digital computer in history was developed in 1944. Called the Mark I, this computer was used only for calculations and weighed five tons. Despite its size and limited ability it was the first of many that would start off generations of computer development and growth.

First Generation Computers

First generation computers bore little resemblance to computers of today, either in appearance or performance. The first generation of computers took place from 1940 to 1956 and was extremely large in size. The inner workings of the computers at that time were unsophisticated. These early machines required magnetic drums for memory and vacuum tubes that worked as switches and amplifiers. It was the vacuum tubes that were mainly responsible for the large size of the machines and the massive amounts of heat that they released. These computers produced so much heat that they regularly overheated despite large cooling units. First generation computers also used a very basic programming language that is referred to as machine language.

Second Generation Computers

The second generation (from 1956 to 1963) of computers managed to do away with vacuum tubes in lieu of transistors. This allowed them to use less electricity and generate less heat. Second generation computers were also significantly faster than their predecessors. Another significant change was in the size of the computers, which were smaller. Transistor computers also developed core memory which they used alongside magnetic storage.

Third Generation Computers

From 1964 to 1971 computers went through a significant change in terms of speed, courtesy of integrated circuits. Integrated circuits, or semiconductor chips, were large numbers of miniature transistors packed on silicon chips. This not only increased the speed of computers but also made them smaller, more powerful, and less expensive. In addition, instead of the punch cards and the printouts of previous systems, keyboards and monitors were now allowing people to interact with computing machines.

Fourth Generation Computers

The changes with the greatest impact occurred in the years from 1971 to 2010. During this time technology developed to a point where manufacturers could place millions of transistors on a single circuit chip. This was called monolithic integrated circuit technology. It also heralded the invention of the Intel 4004 chip which was the first microprocessor to become commercially available in 1971. This invention led to the dawn of the personal computer industry. By the mid-70s, personal computers such as the Altair 8800 became available to the public in the form of kits and required assembly. By the late 70s and early 80s assembled personal computers for home use, such as the Commodore Pet, Apple II and the first IBM computer, were making their way onto the market. Personal computers and their ability to create networks eventually would lead to the Internet in the early 1990s. The fourth generation of computers also saw the creation of even smaller computers including laptops and hand-held devices. Graphical user interface, or GUI, was also invented during this time. Computer memory and storage also went through major improvements, with an increase in storage capacity and speed.

The Fifth Generation of Computers

In the future, computer users can expect even faster and more advanced computer technology. Computers continue to develop into advanced forms of technology. Fifth generation computing has yet to be truly defined, as there are numerous paths that technology is taking toward the future of computer development. For instance, research is ongoing in the fields of nanotechnology, artificial intelligence, as well as quantum computation.

Frame a sentence for the word preordained?

Certain members of the stock market believed the company's success was preordained, so eagerly bought stock.

What are some career opportunities in ICT and describe their job functions?

Information and communications technology jobs will require people to have at least of basic and competent knowledge of the technological field they are in.

How to check sufficient power supply?

Take all the components -- from case fans, floppy/CD-ROM, hard drive to the processor and find their wattage. You are bound to find typical wattages for

everything but the processor online, but your processor varies as its speed, core and

architecture vary. Expect 40 - 100 watts or more for the processor.