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

99,405 Questions

What are the advantages and disadvantages of computers?

The advantage is processing many things at the same time that is why NASA uses super computers to help scientists do math. The con is it may malfunction if it is sent do many commands at the same time.


Whats ROBLOX password?

Get a new roblox password and username and tell me it


What is the Example of digital quantity?

A digital quantity example is provided by any digital microprocessor display where a discrete number is provided and the actual value is an irrational number.

Some examples are the computer display of the values of pi, the square root of 2, the quotient of 3/19, or any other irrational number.

A computer basically works with the integers 0 and 1, so it is a "digital" machine (it cannot deal with 3/19, or pi, etc with perfect accuracy).

Acronyms & Abbreviations

What is the full form of PDA computer?

Personal Digital Assistant is the full form of PDA computer.

PDA is an abbreviation for public display of affection, as when a couple makes out in public. PDA can also stand for personal digital assistant, a kind of handheld computer … that smartphones made mostly obsolete.

DVD Players

How do you play coral player movie?

Coral Player is an unofficial scam software. The purpose of the software is to make money from you. It has also been reported to infect computers with viruses.

Furthermore, downloading most movies for free is illegal. See the related question for information on how and where you can download legal movies.

Software and Applications (non-game)
Jobs & Education

Application of Computer?



How would you argue that the computer a boon or bane for children in a debate?

Computer considered as Machinery God , is anelectronic device that reduces human laborious effort.In this 21st century,computer can be known by the name of next human brain.The invention of computer made human life much easier,faster and comfortable.Computer is regarded as one of the greatest achievements made by Scientist till now.Computer ,an electronic device, which has made life easier and comfortable is today surrounded with many questions of threats .Whether Computers are helping us or creating problem to us is matter of discussion.This is a topic to be put forward in the mass discussion.

No doubt,the use of computer has lowered human labor lots and lots The work which required much time before can now be done simply within fraction of seconds.This is one of the main cons of computers.Sitting in a room and controlling world has now become possible due to discovery of computers.Communication has become possible due to internet.Information can be easily gained through internet.Globalization has become possible due to computers.

Computers are used in each and every sector.From offices to school,from colleges to houses ...everywhere it is used.Even in defense system it is used.In hospitals to keep record of patients,to find symptoms of various diseases its been used.Similarly,it is been used for entertainment by teenagers.Likewise,it is been used as source of education.Distance education has become possible.So, these are the advantages of invention of computers which might make us think that they are very useful.But one thing that must be kept in mind is its negative aspect too.

Computer hackers are the main cause for its negativity.Online robbery has become possible.Hackers are actively involved in cyber crime.Piracy has become so frequent that business organization has to face heavy loss.Important file and datas can be easily stolen which might be foundation of a country.Porn sites are been viewed by people which is promoting rapes and many other violent crimes.Similarly,it is making students mind dull.To do simple mathematical calculation they prefer use of computers.People have become sluggish.Their is no physical work,only mental work is performed.

Despite of its negative aspect,the invention of computer can be considered as boon to us as its advantages outcomes disadvantages.Also,if used properly then computer are boon or else it is curse for entire mankind.Boon or curse depends on the hand of person using it.Nothing is perfect but the use of computer and the works performed by it is no doubt a perfect .It has proven to the fact that nothing is impossible.Even in the word impossible there is I m possible.Thats why computer is greatest present of the present and also will be gift to the future by us.


How do you put spell check on your Facebook?

Facebook does not have a built in spell checker. If you need one, use another program on your computer. Firefox is good, as it is also a web browser, that can have many addons, and by default, a built in spell checker.


How do you find the history of any given website?

The digital library of internet sites - Wayback machine.

The best way to search for a website history. Started in San Francisco.

The 7 best alternatives of way back machine: Best article written by Guru99

You can read my answers on Quora: quoradotcom/profile/Ravi-Prakash-2340

Computer Hardware
Computer History

How do you build a computer?

Buy a:
  • Case
  • Power Supply (Sometimes comes with case)
  • Motherboard
  • Processor/CPU
  • RAM/Memory
  • Hard Drive
  • CD/DVD Drive
  • Peripherals, such mouse, keyboard, and monitor.
  • An Operating System. Such as Windows or Linux.

Optional Components:

  • Video Card (For graphic intensive actions. Games and graphic design)
  • Sound Card (Higher quality sound. Home theaters and professional music editing)
  • Other peripherals, like earphones.

Before you buy, make sure all parts are compatible.

This is a simple summary of what to do, consult the manuals for each part for an in-depth guide.

  1. Place power supply into case.
  2. Put motherboard in place. Connect necessary cables.
  3. Install other components. Connect cables.
  4. Once all parts are done, close case and move onto peripherals.
  5. Plug peripherals in.
  6. Turn computer on.
  7. Install operating system.
  8. Install necessary drivers, usually found with product or on its website.
Setting up a computerwe need to know some additional info first:

what type of motherboard is it? (brand name, model #, mhz, etc.)

once a brand name is given for the motherboard and the model number, you can try searching for the manufacturer's website for downloading a manual or online instructions for installation. another important tip is to be careful of magnetic objects (screw drivers, etc.) near these parts AND static causing agents (including your hands, carpeting). these will ruin the parts by shorting them out.

The easiest way would be to buy a "BareBones" system. Depending how much you want spend will determine what you will get. Some of the systems will only require a harddrive and a operating system.

Hard Disk Drives
Floppy Disk Drives

How do you change a hard disk drive?

  • Power down PC, unplug power. Open the PC, determine type of hard drive connection, most likely IDE. Buy similar drive.
  • If your old hard drive is bad, remove old HD (need screwdriver). There should be a diagram on both hard drives showing where to place the jumper. Look at this and then place the jumpers on the hard drive, matching the new one to the old one (usually located in the back by the ide/sata and power plugs) to match the diagram. Cable select is usually the right choice especially if there is only one drive on a cable with only one connector at each end.
  • Recomended drive: 7200 RPM or greater, 2MB Cache or better
  • Make sure you get the same type hard drive - PATA (IDE) or SATA - as you old one, unless your motherboard does both.
  • While your case is open, blow out the dust. It improves circulation and can add to the life of your computer. Also make sure all the fans are working. Leave the case side open and turn it on without touching the inside. All the fans should come on, assuming you have a name brand computer (read: bottom-line for company) without thermostat controlled fans.
  • The first part is a matter of cloning the hard drive (assuming you are not just moving the disk from one computer to another). Otherwise the process is known as a repair installation where you will need the bootable CD with the OS to fix the old hard drive so it works in it's new home hardware.
Word Brain Teasers
Plural Nouns

What is a plural form of 'wireless antenna' that does not end with an 's'?

A plural form of "wireless antenna" that does not end with an 's' is "wireless antennae". However, the usual plural of antenna is simply antennas.

While this is true of North American English, in Britain the usual form of the plural is "antennae", and for insect appendages "antennae" is standard everywhere.


How do you close computer I want to shut down?

with the off button

The safest way to shut down a computer is to use the operating system to properly shut it down. If you use Windows OS then you would go to your start button, click it, and go into <Shut Down>. For there you can choose Shut Down, Restart, Etc. These methods will save any data that you have not saved yet, close programs that are open, and properly shut the computer down.

Computer Hardware
Computer Monitors

What is the most suitable device for the output of architectural drawing?


USB Flash Drives

Where did Dov Moran invent the USB Flash Drive?

In Israel. More specifically, Dov Moran was then the president and CEO of M-Systems Ltd., an Israeli corporation headquarted in Kfar Saba, Israel when he invented the flash drive. The flash drive was trademarked by M-Systems as the "DiskOnKey" though the vast majority of M-Systems' flash drives were sold by M-Systems to other companies (IBM, Dell, Verbatim, Kingston etc. etc.) for re-sale under their own respective brand names.

To this day, Israelis refer to all flash drives as a "DiskOnKey".

Computer Networking

If a computer is found to have an IP address of 169 254 1 1 what can you assume about how it received that IP address?


169.254.x.x is the APIPA (Automatic Private IP Addressing) range for Computers.

This range in Windows is allocated automatically if no DHCP servers responds or is unavailable in the Network.

IF DHCP server is selected in IP Configuration Settings then one can configure APIPA settings.


What is power4gear hybrid?

Power4gear Hybrid is the latest software developed for Asus PC models which allows you to have direct control over power consumption/general power settings, and it allows the user to "overclock" (or speed up) the CPU which results in higher performance. This setting is called Extreme Turbo, and it can nearly double the processing power of your computer, but it also reduces battery life and increases heat. Overall it is a nice addition to a PC, especially if you do graphics-intensive work or use it for gaming.

There are two other similar pieces of software that I know of called RMClock and NHC, but there have been many problems with NHC not working with a number of systems. RMClock is not exclusive to a model (as Power4gear is to Asus computers), but it's interface doesn't look as advanced.

Computer Buying

What is price of Super computer?

Super computers are mainly used by researchers and government agencies that require an amazing amount of processing speed. A super computer can perform 20 x 1015 operations every second. Definitely not for the average user which is perfect because the price tag is also not for the average person. Super computers range in price from $100 million to $250 million depending on design and installation requirements. Besides the huge price tag you can also expect somewhere between $6-7 million in energy and maintenance costs per year. While these computers are far out of reach for most of us they would be amazing to see in action.


Where to find miscellaneous settings in computer?

Press "Alt-4".

That usually works.

MP3 Players Audio and Sound Systems

What is the full form of mkv?

MKV files means Matroska files, as well those containing audio ( movies ) or video only. .MKV file is an envelope for which there can be many audio, video and subtitles streams, allowing the user to store a complete movie with subtitles or CD in a single file

Computer History

What is the name of first super fast computer?

The first computer deliberately designed to be much faster than the fastest computer available was the IBM NORC built for the navy, the first true supercomputer built was the Univac LARC built for LLNL (both LARCs built only had one of two possible CPUs installed), the first supercomputer built in quantity (9) was the IBM 7030 Stretch built for Los Alamos and the NSA, the first mass produced supercomputer was the CDC 6600 (it was also the first RISC architecture computer).

Which "first" did you want?

Database Programming

How do you recover deleted AIM profile pictures?

Contact AOL, although i doubt it is possible to recover.

Computer Memory

Does 626 KB take up a lot of space on your computer?

626 KB is a rather small filesize. It is the equivalent of about 1 picture. 1,024 KB is one megabyte (1MB). A song is typically 3 to 8 MB, or 3,000 to 8,000 KB. Most desktop harddrives today are between 120,000 MB to as much as 1,500,000 MB. Laptops are typically 40,000 to 250,000 MB. 626 KB is such a tiny amount that it's often considered 'negligible'. Or so small it makes no difference. What is listed below is technically correct for BYTES. However a Byte is 8 bits, a a bit (abbreviated as a lower-case 'b' or just 'bit') is the smallest unit of measurement in a computer. Most modern computers however use a filesystem that limits the smallest size of a unit to 512 bytes. So a 1 byte or 1 bit file will both be 512 bytes. This is called a 'cluster'. A cluster may be as large at 64 KB as well. However, for a 626 KB filesize, this is largely irrelevent as it would easily use the clusters efficiently. However having a very large number of files smaller than 512 bytes may waste a lot of space. IE, you could have 100,000 files that are all 1 byte in real size, but they take up a 512 byte size each. Making what would be 100 KB actually take up 51,200,000 KB. Older computers, SD cards, thumb drives, and other USB and flash drives use FAT and FAT32 filesystems, and suffer less of this problem (they can have clusters as small as 32 bytes) Either way though, a single 626 KB file is very, very tiny. It's the eauivalent of just under 1/2 of a floppy drive, or 1/1000th of a CD. Also, TB (Terabyte) is not the largest unit. While very rare to see in a consumer (home user's) computer, there also exist PB (Petabytes), and even EB (Exabytes). Some supercomputer clusters, such as Google, have systems with an EB of storage or more. But there are, at most, a dozen such systems on earth as of this moment (7/31/2010) OLD: no, B is the smallest computer unit, KB is the 2nd smallest, MB is the 3rd smallest, GB is the 4th smallest, TB is the highest computer unit.

The question is in reference to 626Kb however. The lower case 'b' is commonly used to refer to a bit, with is one eight of a byte. The discussion above refers to bytes, commonly abbreviated with a capital B.

Thus, 626Kb are 626/8 KB = 78.25 KB. Since each kilobyte ('K') is 1024 bytes, 626 Kb therefore are 80128 bytes.

By modern standards, this is a rather small file size, but size is of course relative to the space available. Some specialized computers have very little storage, and would struggle to accommodate this amount. Other computers, including modern PCs and similar devices, can easily cope with data of this size.

Salary and Pay Rates
Job Search
Job Descriptions

What does it mean 'enter your desired job title'?

It simply means what your looking to be for ex. Cashier

Most companies use standard job application forms so they just need you to identify the role you wish to apply for. Sometimes there is a job reference number too which will appear in the job advertisement and it is important to quote this in your covering letter and on the application form if it is required.

Computer Keyboards

What is the 8 home row keys?




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