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Computer Hardware

Computer hardware is a general term used to refer to all the physical parts of a computer. Internal hardware devices include hard drives and motherboards, while external hardware devices include monitors, mice, keyboards, and printers.

11,849 Questions

What are the cohesive device?

the concept of cohesion in writing is related to semantics(meanings)--the study of how meaning in language is created by the use and inter-relationship of words, phrases, and sentences.it refers to relations of meanings that exist within the text. coherence in writing means of achieving a constant relationship among its various parts. this is attained by using various types of cohesive devices. cohesive devices are typically single words or phrases that basically make the text hang together. they show the logical relationship between the various parts of an essay as well as between sentences and paragraphs. cohesive devices in language help expand the context, such as whether information is completely new,related to information in other sentences or is a reference to "old"information from a previous sentence. this helps make the text coherent,in part, by including how information is relevant.


ref:improving reading and comprehension skills


How much does a new Acer laptop cost?

If ordered online, an Acer laptop can cost between five hundred and a thousand dollars depending on the style and model of the laptop. If ordered second-hand, the product is typically less expensive.

What are the four major functions of a computer's Operating System?

The six major functions performed by a computer operating system are: the processor management, system resources configuration, Hardware device configuration, Storage management, Program interface, and user interface.

What is the best PC processor ever?

This is a very open-ended question. First, identify what you're going to be using the laptop for. There's no need to waste money on a super-fast processor with an extended instruction set for handling multimedia effects if you're just going to be typing up your homework. Next, you want to determine which hardware platform suits your needs, typically IBM- or Macintosh-compatible. Different platforms support different processors with different instruction sets, so the programs that power your software applications need to be written for specific instruction sets. Many popular applications are available on all major platforms, and all common application needs--word processing, e-mail, etc.--are represented. Once you've decided on the platform that will best support you, check the minimum and recommended hardware requirements for the applications you plan to use. They typically recommend a baseline processor speed as well as memory and storage requirements. Now that you know what platform you'll be using and what you need to run the applications you want to use, you should have a handful of broad processor families to evaluate. Simply choose one whose specifications meet your needs and budget. The poster below recommended against Intel Celeron processors because they are "slower." This isn't exactly true. Celeron processors aren't optimized for computationally intensive applications like 3D gaming and protein-folding modelers, but they're very well suited to the average home user who only wants to browse the Web and do his taxes. There's no sense in paying more for something you won't use. the best chip to get in any computer laptop or desktop is a Intel Core 2 Duo T7600. try to stay away from Celeron or some pentiums b/c they are slower..

Which devices can be daisy chained?

Often times, external monitors/extra monitors are daisy-chained. Some computers will have a setup where, say, three cables go directly out of the computer into three seperate monitors, but sometimes one cable goes out from the computer to the monitor, which is linked up (daisy chain) to other monitors.

What is superscalar architecture?

Answer

A superscalar CPU architecture implements a form of parallelism on a single chip, thereby allowing the system as a whole to run much faster than it would otherwise be able to at a given clock speed.

In normal scalar CPU, ideally one instruction is dispatched per cycle so atmost one instruction can be completed in a give cycle. In SuperScalar Architecture, more than one say "m" instructions are dispatched and they are executed in parellel with extra hardware ( functinal units) there by more than one instruction can be completed in a given cycle.

The fastness of the Superscalar is theory is "m" times the scalar but in practically, it will be much less because of the different types of dependencies and branch operations.

Will the sims 3 run on a dell inspiron 15z?

The 15z has an Intel videocard, which is NOT listed as compatible with The Sims 3.

However it may still run- expect VERY slow performance, bugs, crashing, glitches, missing textures, 'black sims', white spaces, and other uglyness.

What is the function of a pen drive?

The USB flash drive stores digital material of any kind, be it videos, powerpoints, documents... The storage of the USB flash drive in presented in megabytes, gigabytes or terabytes.(MB, GB, or TB, respectively.) The more bytes, the more storage. There are no public USB flash drives yet that can hold over 1,023 TB.(1 TB = 1024 GB, 1 GB = 1024 MB, 1 MB = 1024 KB, 1 KB = 1024 B. One byte can hold any amount of bits, that depends on the program, the file or the OS.

What is Memory hierarchy?

bit = 1 bit

byte = 8 bits

Kilobyte = 1024 bytes

Megabyte = 1024 kilobytes

Gigabyte = 1024 megabytes

Terabyte = 1024 gigabytes

Petabyte = 1,048,576 gigabytes

Exabyte = 1,073,741,824 gigabytes

Zettabyte = 1,099,511,627,776 gigabytes

How do you refill a brother lc51 ink cartridge?

Brother inkPop-off the color top, removed the clear rubber ball ring/valve.

Now you can usual refill kit to poor in the appropriate in color.

After filling the ink,replace the above two in reverse order and taped down with clear type.

Replaced the cartridge and the appropriate slot... and your good to go!

I do have to be honest, sometimes they do leak....

There are some think important to be care upon these. Like must use a medical syringe to insert ink into the inkjet cartridges. Must take care the quantity of ink

for different colors. Because more or less amount of ink from certain level may effect the printing performance of the printers.

How do you get an SD card into the computer?

SD memory cards are sold in places that sell digital cameras and camera equipment, such as major drugstore chains, Wal-Mart, and Radio Shack. Prices have recently dropped substantially. Cards may also be purchased online. Note that the high-capacity SD memory cards, those over 2 GB, may not work in all equipment. Look for the "SDHC" descriptor to be certain your device can use the high-capacity cards. If you intend to use the card for recording moving images, it is best to purchase "high speed" cards, which can better keep up with the necessary write speeds.

What are the common problem in computer hardware?

There can be hundreds of hardware problems, the most common i have come across is a faulty piece hardware attached witch can cause to you computer not starting properly

What holds the data and programs being currently used by the CPU?

Data and programs currently being used by the CPU are in RAM, or random access memory. Parts of them may also be in the cache memory, which is a faster, specialized version of RAM. RAM is a temporary area for storing running programs. It is usually lost when you turn off the computer.

What is the purpuse of ports?

The port is an external connection device on the computer which is used to connect different peripherals. Concretely it is a socket (and the corresponding plug) that enables an external device (peripheral) to be attached to a computer (usually to a motherboard or adapter card).

Do microphones use electromagnets?

The microphone works by producing a small induced voltage in a coil from the effect of sound waves hitting a diaphragm. It is very similar to a loudspeaker in reverse with a diaphragm instead of a paper cone. This type of microphone is called a moving coil microphone. The sound waves strike the diaphragm and move it backwards and forwards at the same frequency as the sound (like the way the ear drum is moved inside the ear). The moving diaphragm moves the coil backwards and forwards which induces a changing current at the same frequency as the sound. This changing current (called the signal) is sent to an amplifier which makes the changing current big enough to be used for recording or to drive loudspeakers. The loudspeaker reconverts the changing current back into the original sound. A microphone converts the sound energy into electrical energy.

What makes a computer freeze for a long time?

Do whats commonly called a hard restart or hard boot. This consists of unplugging the computer. If it's a laptop you must disconnect the ac adapter and remove the battery in order to do a hard restart.

Is the Intel Core 2 Duo E6600 faster than the Intel Dual E2180?

If you mean "better" in terms of performance, it is the Intel Core 2 Quad. The Core 2 Quad has 4 CPU cores, compared to the Core 2 Duo with only 2 CPU cores. This means that the Core 2 Quad is twice as fast as the Core 2 Duo and four times as fast as normal CPUs with only one core.

Well this answer is wrong to a great extent. the reason the e8500 is very popular still is because although it only has 2 cores each core is running at 3.16 GHz which makes it great for software or programs that only use 2 cores primarily. its great to have 4 cores but the q8200 only runs at 2.33 GHz. that means if your using something that only uses 2 core primarily the e8500 would be better because the 2 cores are 3.16GHz compared to the quads 2.33GHz. now for programs and softwares that are optimized to use 4 cores the quad core is obviouslt better because it will actually put the 3rd and 4th core to work. the reason i personally chose to get a e8500 is because its super easy to overclock and the truth is quad cores are not really being used yet. if you like doing video editing and a lot of multimedia work than the quad is probably for you but as far as playing games and doing simply everyday use the e8500 is definitely the way to go. the answer truly depends on what you like doing most. But from my personal opinion i would go with the e8500 because 4 cores are simply not that popular yet for programmers and it probably will be a couple of years before quad cores are really taken advantage of but when that time comes the quads of today will be cheap compared to the new ones that come out. so personally ill go for the e8500 but its all up to you

What are the Basic hardware components of PC?

motherboard, processor, graphics card, RAM, hard drive

What advantages does atx have over micrcoatx?

Size is the advantage.

MicroATX is usually much smaller than normal ATX and usually has fewer expansion slots like PCI (+variants), fewer DIMM sockets (usually 1 maybe 2) they are often built around budget or low cost CHIPSETS. Much of this depends on the manufacturer. Some motherboards come with the CPU soldered on while others use a socket. Often mATX boards cost the same as ATX and if space is not an issue in your chasis, then go with a Standard ATX. Standard ATX provides a better upgrade path over µATX.

ATX is just a way of describing the type of motherboard.

Can you put black ink cartridge in the color cartridge spot?

Yes, you could, provided you are not using the color cartridges. I assume you are filling the color cartridges with black ink to fool the printer you have refilled the colors

Does input go first or process or output?

Generally input would go first, since. a computer won't do anything until it receives instructions.