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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

The width of the smallest wire on a computer chip is typcially measured in?

The smallest wire on a chip is measured in microns. Current chips have wires that are less than one micron wide, while a human hair is about 100 microns thick.

Why should you not touch an adapter's gold contacts?

The oil and acid from your fingers will cause the gold contacts to corrode.

What is the name given to a device that is attached to a computer system It can be an input or output device?

If the device is a physical component, then it would be called "Hardware". If it is a program, file, etc., then it would be considered "Software". I hope that is the answer you were looking for; your question was a little unclear. =P

What does Biometric device mean?

Bio- refers to biological.

Metric - refers to measuring.

Biometric MEASURES something biological. In the case of a computer, it can digitize fingerprints, retinal scan, voice analysis... just about anything that might identify you as being unique from others.

Typically biometric devices are installed as a component of computer security, such as a fingerprint scan, a retina scan or a voice print.

In the case of a fingerprint scan, one would need to press on the pad that detects your fingerprint, and if it doesn't match, the computer will not allow you to have access to the computer.

Why should you never open a computer's power supply?

The components inside the box may be charged with extremely high voltages, and may injure or kill you. If not, the box may be broken, and you will need to buy a new one. It is safe to open one, if it hasn't been connected to any power source for a while (>1 week), however, I still wouldn't recommend it.

What is a USB-Y cable?

a usb cable is a cable that allows the computer to communicate with the object u are connecting it to. For example there is a computer powered fan which is connected to a computer using an usb cable

How many ace hardware are there worldwide?

There are more that 5,000 Ace outlets in 60 countries worldwide.

How can you say that your eyes work like an input device?

How can you say that your eyes work like an input device?

What is Intel r tv wizard?

Enables seamless setup and configuration to TVs and resolves overscan issues with a simple step-by-step guide to automatically or manually configure your PC to any TV.

What do you do after finding out that overheating is the problem in your computer system?

Note: If System is under warranty we recommend contacting your manufacturer. If not then you can try these steps to lower down the processor temperature

If your computer is overheating and it was recently built, the following tips may resolve your issue:

1. Move your computer to the coolest place of your house. You may choose to lower the temperature of the room instead by cranking up the air conditioning. Operate the computer and see if the same problem appears. If it doesn't, then that is a fair indication that the issue was due to overheating .

2. Check for dust. Remove the computer's outer cover and see if dust has built up. Dust can reduce the airflow, it can slow down the fans or other mechanical components it gets into, or it can act as an insulator causing heat to increase. Use air pressure to remove the dust.

3. Determine if you have components that are set to overwork. If you assembled the computer yourself, you may have adjusted certain components to higher settings for boosting their performance. If you have a device working at a higher voltage or higher clock cycles, lower down its setting or remove it altogether, if possible.

4. Inspect the temperature around the components that use the most power. These are, the CPU, the graphics processor, the power supply and the hard drives. Use your hand to assess the ambient temperature. It shouldn't be more than 2 degrees Celsius warmer than the room's temperature, while the computer is running. You can tape temperature sensors bought from a computer store, if unsure. Change the placement of the components or the fans to improve the airflow, if you found components blocking the air intake.

5. Buy and install a cooling fan. Choose a fan that can lower temperature of your motherboard by as much as 5 degrees Celsius.

6. Use liquid cooling as an alternative to a cooling fan.

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Why do you not stack boards on top of each other when taking computers apart?

do not stack boards on top of each other because you can accidentally dislodge a chip on the boards or they can fall and break. always set them on a flat stable surface away from being able to be bumped and preferably in an anti static bag or on an anti static mat.

What is hardware resource?

hardware resouces Include all physical devices and materials used in information processing

What is the purpose of output devices?

Hy whoever want to know its so simple

Output devices are used to show result or any information you want to see
for e.g a monitor, a printer,a fax machine etc
donot mistake a usb,hard disc these are storage devices

What is the difference between fixed head disk ande movable head disk?

fixed head :

-one read / write head per track

-heads mounted on fixed ridged arm

-No drop protection

movable head :

-one read / write head per side

-mounted on a movable arm

-if dropped the heads can be retracted to prevent damage to the hard drive.

List three basic types of cables found inside a computer case and what are their functions?

Power Cables: These are the cables that run from your PSU (Power Supply Unit) and attach to various devices in your computer, including but not limited to: the Motherboard, Hard Drive(s), Optical (CD/DVD/Blu-Ray) Drive(s), Fans, etc SATA (Serial ATA) Cables: This cable attaches to either an Optical Drive, Hard Drive, or a SATA External Port to provide a connection between the device and the motherboard and provides for the transfer of information. IDE/ATA Cables: The Predecessor to the SATA cables. They are still seen, but are fast becoming a legacy item. They provide a connection between Floppy Drive(s), Optical Drive(s), or Hard Drive(s) and the motherboard in the same fashion that a SATA Cable would, but provide a much slower speed and capacity than a SATA cable would.

What is the difference between a heatsink and water cooling?

Heatsink uses what they call passive cooling where as liquid cooling systems use active cooling.

Is a stylus an input or an output device?

Technically speaking, it isn't any more of either than your finger is an input device, or your lips an output device. The screen that the stylus is used on is both an input or an output device, sensing pressure from the stylus and displaying images as a result.

What can a pcb be found in?

Now days everything and that is no exaggeration if you have an electronic device there is a printed circuit board in it