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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

Is computer a device or machine?

A computer is a programmable machinedesigned to sequentially and automatically carry out a sequence of arithmetic or logical operations. The particular sequence of operations can be changed readily, allowing the computer to solve more than one kind of problem. An important class of computer operations on some computing platforms is the accepting of input from human operators and the output of results formatted for human consumption. The interface between the computer and the human operator is known as theuser interface.

A computer is electrical, electronic and electromechanical. The power supply is an electrical component which is as much a part of the computer as any other part.

The cd drive of a computer is an electromechanical piece of hardware. There are others, this is one example. The motherboard, cards, buses, processors are electronic parts.

How many gigabytes are in 5011 megabytes?

if there is a 1000MB in a 1GB really there is 1024MB but you round it to 1000MB you have 5GB or really 4.89GB

edit: actually there is EXACTLY 1000MB in 1GB, if it was 1024 it would be mebi instead of mega and gibi instead of giga.

Edit: actually if you were to go to google and look up how many megabytes are in a gigabyte it shows a calculator that says exactly "1 Gigabyte=1024 Megabytes"

How do you restart the game?

  1. Click "Account" button at top right corner of page.
  2. Click "Privacy Settings" on drop-down menu.
  3. In bottom left corner of page, click hyperlink in text under "Apps And Websites" heading.
  4. Remove desired games/applications.
  5. Go to desired games/applications & sign up.

NOTE: May not work with all applications. In this case, look for a settings button, etc. If all else fails, you can try to contact the company that manages the application.

How many sizes of PCI Express slots are currently manufactured for personal computers?

PCI Express currently comes in four different slot sizes; the longest size (PCI Express x16) and the shortest size (PCI Express x1) There are also The accelerated Graphics Port (AGP) and also Industry Standard Architecture. (ISA) :-)

Describe how bar codes are used in automatic stock control?

One way is in the checkout process: when one or more items are scanned, cash is exchanged and one or more purchases made, the terminal running the cash register transmits that the item(s) purchased no longer exist instore, and once the central computer detects that the item(s) in stock are at a critical level, the central computer dispatches order(s) to providers to ship more of the product(s) back to where the same were originally purchased.

Is it better to have dual 2 ohm or dual 4 ohm sub woofers?

u have to hook up both coils on the subs or u will damage it u can run both coils in series that's pos to pos and neg to neg witch will make the sub 2ohm or u can do it by running it in parallel one neg to the other coils pos then using the one neg and one pos u got left now u have 8ohms it really comes down o what amp your hooking up and what ohms u get the most out of your amp

How many pieces of information can a human being actively manage in short term memory at once?

I have read that the maximum is 7 , That's why phone numbers are 7 digits long. but then they had to start adding the area code when you dial, but your mind breaks it up into pieces, remembering the area code first the the rest of the phone number. 407 pause 5551212

How do you I remove and install a hard drive in a Dell computer?

Ideally if you don't already know, you shouldn't be doing it. Especially if you don't know about anti-static precautions. For a desktop: Ground yourself against a radiator or any earthed metal (just hold it for a few seconds) to remove any static charge you may be carrying. Unplug the power supply, open the case of the PC (may require removal of screws or undoing clips depending on the model of PC). Find the hard drive which needs replacing, it should look pretty much same as the one you have to replace it with. If there is more than one hard drive present, then you'll have to check which one needs removing before continuing. Unplug the power connector and the data cable from the back of the old hard drive. Remove the hard drive (if in a caddy you will need to swap the caddy over, which may require removal of some screws as well). Put the new hard drive in (also using the caddy if one was present). Plug the 2 cables back into the hard drive. Put the case back on. Job done!

What is the difference between Intel core1 and Intel core2?

The Intel 8085 is not even in the same class as the Intel Core 2. The architecture and instruction set is vastly different. The 8085 is an 8 bit machine, running on an 8-bit bus, with at most 64kb of RAM/ROM. The Core 2 is a 32/64 bit machine, running on 32/64/128 bit buses, with potentially more than 4gb of RAM/ROM. This is like comparing an original Volkswagon Beetle with an Indy Car.

In what sense are hardware and software equivalent?

The question could be a little more specific. I'll have to give a general answer here.

If we are discussing computing then, software is the code or programs running on the computing device. Desktop, laptop, notepad or PDAs (personal Data Assistants) are all computing devices. There are several other devices that run software.

A good example of the line between software and hardware can be seen when we look at the BIOS chip in personal computers. The chip itself is hardware. The BIOS (Basic Input Output System) chip is specifically a ROM (Read Only Memory) chip. You can hold this chip in your hand and it has physical attributes like size, shape and weight. This is hardware. Now burned or programmed into this BIOS chip are the necessary programs to run startup test and boot up an operating system. This is software or code. You can't hold this in your hand, it is binary numbers held electronically in the chip.

Regardless of the medium being used software is the binary code, and the device is the hardware it is stored on. Even memory chips are hardware, and though it may be a temporal storage location it is still a storage location.

Software is information generally stored in a digital format. it is usually a set of instruction to run a machine. Hardware is the physical components of the machine that caries out the instructions.

How does primary and secondary battery work for a laptop?

* Primary Battery - energy is exhausted when active materials are consumed (carbon-zinc dry cell, lithium battery, silver oxide battery, alkaline battery) * Secondary Battery- active materials are regenerated by charging (nickel cadmium (NiCd), nickel metal hydride (NiMH), Lithium Ion, Lithium Polymer, Sealed Lead Acid. Consumer market put aside, the largest users of primary (non-rechargeable) batteries are the military, specialty emergency services and forest fire fighters. High energy density, long storage and operational readiness are among their strong attributes. No charging and priming is required before use. Logistic is simple and battery power can be made available at remote locations that are unmanned and have no electrical power. Disposal is easy because most primary cells contain little toxic materials.

Primary batteries have the highest energy density. Although the secondary (rechargeable) batteries have improved, a regular household alkaline provides 50% more power than lithium-ion, one of the highest energy-dense secondary batteries. The primary lithium battery used in cameras holds more than three times the energy of a lithium-ion battery of same size.

What is a microphone port?

A microphone port is the circular slot you can put a headset in on your computer. You can then listen to your music or watch a video without being disturbed by others.

Name two characteristics of a system using rambus licensed memory?

RAMBUS memory is on a stick of RAM called a RIMM. It is the fastest RAM available but you have to have the hardware to use it. It comes in 184 pin for desktops and 160 pin for laptops. RIMMs are keyed differently than DIMMS so you can't install it in any computer. You are required to install RIMMs in pairs to use the full technology, it has a dual-channel technology. Each RIMM is 64 bits wide, but the RAMBUS alternated between two sticks to increase the speed of data retreival. RDRAM motherboards require that all RIMM slots be populated. Unused pairs of slots need a passive device called a continuity RIMM (CRIMM) installed in each slot to enable the RDRAM system to terminate properly. In other words, you have to buy a blank CRIMM to fill in the slots or it will not work properly on the motherboard.

What is the screen on your computer called where all the icons are?

The screen on a computer is part of a monitor.

It is referred as the monitor "panel" or as the "display surface" The latter is the surface of the large end of a cathode ray tube, where images are created.

What are some examples of both input output device?

3 examples of input devices are the keyboard, the mouse, and the stylus. An input device is used for entering data into the computer. 3 examples of output devices are printers, monitors, and USB Drives. They are used for making information from the computer useful.

Which battery does a laptop use?

To locate the correct battery for your laptop, go to http://laptop-batteries.sparepartswarehouse.com and use the battery replacement locator tool. It will correctly identfy the battery for your machine.

YOu don't specify which model you use the US or EG laptop, so you should have that information ready when you use the battery finder. Also make sure you have your model number ready - again this narrows down your search rapidly.

How to find your model number from the HP web site:

Locate the Model Number on the Service Tag placed on the bottom of your Notebook PC. The Service Tag will resemble the picture below.

1. Product Name: The Product Name, which will also typically be on the front of your notebook, is not the correct information for either the Series or the Model, it is usually a brand name for an entire set of series and models. This information should NOT be used to find the correct parts for your laptop.

2. Model: This is the correct identifier for your laptop model. Please disregard the #ABA at the end of the model name.

3. Series: This is the correct identifier for your laptop series. Select the series first, then select from the list of valid models.

How do you fix a failing usb port on motherboard?

If you are talking about the port on the computer case, get a new one from the MFG

of your pc.

If your talking about the post on the motherboard, most times it can not be fixed.

You can see if there is another one you can use ,or switch it with one that you don't use often.

How much does a recording microphone cost?

Microphones range anywhere from a cheap $10 to several thousand dollars; but you don't need to spend too much money to get a well performing mic. For instance, the very popular Shure SM58 or Audix OM2 that you might see just about everyone using is only $99.

A is the most commonly used input device?

No, a printer is not the most commonly used input device; it is actually an output device. Input devices are used to enter data or commands into a computer, whereas output devices are used to receive information or results from a computer. Here's a brief explanation of the two types of devices:

Input Devices:

Input devices are used to input data or instructions into a computer. These devices allow users to interact with and provide information to the computer. Common examples of input devices include:

Keyboard: Used for typing text and entering commands.

Mouse: Used for pointing, clicking, and selecting objects on the screen.

Touchscreen: Allows users to interact with the computer by touching the screen directly.

Joystick: Commonly used for gaming and controlling on-screen movement.

Scanner: Used to convert physical documents or images into digital format.

Microphone: Used for recording audio or voice input.

Webcam: Used for capturing video and sometimes for facial recognition.

Output Devices:

Output devices are used to receive or display information from a computer. They provide the results of computations or processes to users in a human-readable form. Common examples of output devices include:

Monitor or Display: Shows visual information, including text, images, and videos.

Printer: Used to produce hard copies of digital documents or images on paper.

Speakers: Output audio or sound from the computer.

Projector: Displays computer content on a larger screen or surface.

Headphones: Output audio directly to the user's ears.

Plotter: Used for high-quality printing of technical and graphical drawings.

So, while a printer is an essential output device used for producing physical copies of digital documents or images, it is not considered an input device. Input devices are primarily focused on providing data to the computer, while output devices display or produce results from the computer.

Your coumputer it not starting up what do you do to fix it?

it happens when the your system (PC) is:

1. kept in a room from where the dust particles comes in max which results the CRT monitor in the stage of not showing nothing on the screen.

with TFT & LCD's it doesn't happen

2. or it may be a wind/air means when you have kept your system near a window from where the air comes in & out

so when these particles comes inside your system's cabinet it attacks first the CPU through which the speed of rotating decreases and makes a noise during running........

so keep your system clean dust free.

that's why the computer shop tells you to purchase a dust cover for your CPU (cabinet)

but also take this precaution that:

while switching your PC remove the dust cover so as the Temperature inside may not be too hot........

to survive...

Is 5 megabytes a lot of usage?

Usage of what? If it's hard drive space it's practically nothing. If it's data usage of a dial-up Internet connection, that's at least several minutes time worth.

What is the primary function of the power supply?

The job of a computer power supply is to give power to the computer even when it doesn't have any power. It is normally your adapter that comes with the computer.