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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
How can you tell if a jumper is on or off?
A jumper is closed (on) if the cover is in place, connecting the two pins that make up the jumper; a jumper is open (off) if the cover is not in place.
What are the reasons for information system failure?
There is no definitive answer to this question, but there is research to draw upon.
How do you shutdown the computer?
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.
Click on the icon of the USB drive.
Press Command I
A window will open. You can see the present name of the drive.
Select the name and change it to what you want. There may be a requirement for a simple name, so try to keep it short and with no special characters. Spaces are allowed.
You can also paste an image to be used as the icon in this pane.
Find an image for the icon. Click on it and press Command I. You will see a little image in the upper left corner. Click it until there is a blue edge around the little image. Press Command C. Click the little image in the USB drive pane. Press Command V. Some images do not have a preview image that can be copied. If a standard JPEG image is shown, select a different image to copy.
How does the BIOS store information about hardware?
Typically changes in the BIOS are not stored on any file, but on the BIOS chip itself. This is why it is expressly important to back it up ( if supported ) when changing or flashing ( updating ) your BIOS
What is the purpose of a computer input device?
The main purpose of input devices is to allow users to input data, commands, and instructions into a computer system.
Input devices are used to interact with and control computer systems. They allow users to provide input in various forms, such as text, images, sound, and motion, among others. The input devices translate the user's input into a digital format that the computer can process and interpret.
Examples of common input devices include:
Keyboard: used to input text and commands
Mouse: used to navigate and select items on the screen
Touchpad: used as an alternative to a mouse on laptops and other mobile devices
Touchscreen: used to interact with graphical user interfaces (GUIs) through touch
Scanner: used to input images and text into digital format
Microphone: used to input sound and voice commands
Camera: used to input images and video
Joystick: used to control games and simulations
Gamepad: used to control games on consoles and PCs
Motion sensor: used to input motion-based commands and gestures
Overall, input devices are essential for enabling users to interact with and control computer systems, and they are critical for a wide range of applications, including communication, entertainment, education, and business.
Is a computer tower an input or output device?
Technically it's neither as it's just a shell that houses the devices. However, if you just mean the computer as a whole, then it is of course both because it's made up of input and output devices.
Is the switch an input or output?
In the grand scheme of things it could be called an output device. Also in the same train of thought it could also be called an input device depending on how you look at the overall picture of how it is going to be used.
This is the port IEEE 1394 is also known as Fire Wire
How many devices can a PC using an internal USB 2.0 interface support?
If you have 2.0 hubs and 2.0 hardware, then yes, they should work. You can use 1.1 hardware in a 2.0 hub. It's just slow, that's all.
What socket has pins aligned in uniform rows around the socket?
I believe if you are talking about older, tube electronics, what you have in mind is a Loctal socket. these were made for tube-era equipment of the standard miniature type, an Octal ( octo meaning eight) had eight elements- loctal meant ( Locked, or maybe Localized) octal. the sockets had eight points but were arranged so tubes having say five points ( Pentodes) or Heptodes ( 7) could be plugged in in sort of a one-size=fits all uniform arrangment. as one can guess this service advantage made sense to the armed forces- quick substitutions could be made in the field- or at or under the sea- ( Submarines favored tube equipment for this reason) spares could be changed during lengthy underwater patrols when of necessity- the sub was observing radio silence! one door closes, another opens. that is the most logical explanation. why don"t you get some of the early Tube related stuff from the Lindsay catalog- they aim at historical hobbyists! Oddly this was NOT called a Universal socket- maybe the movie company ( Universal pictures) complained.
A video card is an internal component that connects your motherboard to your monitor. It is usually plugged into your motherboard, and has a connector at the rear of your computer to plug in your monitor. Sometimes the videocard is built-into the motherboard, but it serves the same purpose. A videocard with high memory will improve the speed of your computer, as it will be able to show images on screen faster than a slower one - meaning that the computers CPU can concentrate on other things. If you have a videocard with 64MB RAM (memory) for instance, it will run AVI movies pretty well full-screen. A videocard with only 16MB will be very 'sticky' and might not play the film at all. You need some form of videocard in your computer or you won't see anything on the screen.
A video card is a circuit board with connections for a monitor on it. It gets inserted into one of the expansion slots in the computer motherboard. When it is inserted correctly, the end with the monitor jack will be sticking out the back of the computer. Video cards are typically used for better graphics. Answer: Video Cards, also known as display cards, graphics cards, graphics controllers, or graphics accelerator cards, convert binary data (bytes) into display images. The Video Card is part of the usual complement of computer hardware. The Video Card is external to the motherboard; that is, it is a separate hardware that is attached to the motherboard through the appropriateslot
The simple answer is: it renders graphics on your computer from window animations to video games.
Complex answer:
Your computer already has these capabilities without a dedicated video card. because all computers have one integrated into their CPUs(central processing unit). Intel i series such as i3, i5, i7 processors have pretty good GPUs(graphics processing unit, aka video card). Some are worse. but all computers have them. the integrated gpu's are not too good for hard gaming or video encoding, so it's recommended to buy a dedicated video card.
you connect your crt display or monitor to the video card on your computer
AnswerA video card is a computer chip you usually insert into your computer via a AGP slot inside of your computer (usually the same thing a sound card is in) the purpose of which to process images. if a computer does not have a video card the computer has to split the processing power between everything. but with a video card, the card processes the video instead of the computer, so you have better performance and better graphics on pretty much anything.
take the workload of processing "video" away from the main processor so it doesnt slow it up - the video card is a separate computer with its own processor, memory and often cooling fans which is why they tend to be expensive and use a lot of power
Video cards (also called Graphics cards) are used to display images from the computer to a monitor.Without a video card you would have no way of connecting a monitor to a computer unless the motherboard had a built in graphics chip.The more video ram a card has and the faster it is the better it will work,making video intensive programs such as games run faster and look better.A good video card will also make video editing & playback programs run smoother and work faster.
A graphics card is the component in your computer that handles generating the signals that are sent to the monitor or "graphics". It is responsible for generating all the text and pictures that are displayed on your screen. It is called a "card" because most PCs will have a physical card that is inserted in a PCI slot on the motherboard. Some motherboards have built-in graphics cards with is something of a misnomer since it is built in as part of the motherboard and no longer a separate "card".
2D, or two dimensional graphics are the kind of graphics displayed when you use a web browser, check email or work on a spreadsheet. For 2D graphics the major factors are resolution and refresh rate.
Resolution determines how many little dots are used to draw the image on the screen. For example, 640x480 means that the whole screen is drawn using 307,200 little dots in 640 columns and 480 rows. The more dots that are used, the finer the detail. Thus, higher resolutions provide for great detail and image quality.
Another factor is color depth. You may see it expressed as a third parameter such as 640x480x256. This means 640 columns x 480 rows x 256 colors. Color depth is usually a number that is 2 raised to the power of a multiple of 8 up to 32. i.e. 2^8, 2^16, 2^24 or 2^32... or 256, 65,536, 16M or 4G colors. Obviously, the more colors the great the detail again.
Finally refresh refers to how many times a second the image on the screen is redrawn. 60Hz means that the image on the screen is drawn 60 times every second. This becomes important in fast moving video games where the action needs to look really. Also, for CRT type monitors refresh rates of 60Hz and less tend to have a noticeable flicker even on stationary images. This flicker can lead to headaches for many people. Higher refresh rates are better. Of course, having a graphics card with the higher possible resolution and refresh rate doesn't do much good if your monitor doesn't also support this capabilities.
3D or three dimensional graphics are what all first-person-shooter type games use. Of course, current monitor technology still only really displays a 2D image, but the player is immersed in a landscape where they can moved their characters head and see objects in all directions and move around within this world. This type of display capabilities requires some pretty intense mathematical calculation to be done very fast. The value of a good 3D graphics card is that it offloads most of this work from the computer's main processor and a specialized processor on the graphics card handles these calculations. This allows for faster, slicker looking graphics. Also, newer 3D cards handle all kinds of additional functions that gives surfaces texture, make water transparent, etc.
How do you retrieve encryption password or set new password for Netgear wireless router?
Have you tried the reset button on the back?
Type your default IP into your URL hit enter type in your login and password. If you haven't already set those you will be prompted to enter a login and password-they are always generic like:-login/login, or login/password. Aquick google search of your specific type of router will give you the best results.
When upgrading a video card why might yo also have to upgrade your power supply?
Usually not, the only thing you may have to upgrade is your motherboard.
Just keep in mind that some of the newer, more powerful video cards will require a certain wattage in your power supply. If your current PSU doesn't meet the requirements (or if it is already over-taxed by other components), you will need an upgrade.
What does the command line interface do?
The command line interface allows you to interact with a computer using text-based commands or instructions. The earliest computers did not have graphical interfaces, so this was the only way to launch programs, perform file operations, and navigate the computer.
What is a computer power surge?
When the voltage from the wall is many times higher than normal. Like if lightning were to hit the power line outside your computer would not see 120 volts, it would be more like 2000-5000+ volts.
What are some hazards of computer technicians?
The most common health hazards for information technology professionals are repetitive motion injuries, such as carpal tunnel syndrome. Others include eye strain and back pain from long periods spent seated looking at a computer screen.
How does solar power technology work?
1.Solar energy that reaches the earth's surface is mostly in the form of heat and visible light
2. The land and water on the surface of the earth absorb a part of the solar energy
3. Which in trun gives rise to many natural phenomena like blowing of wind,rain,andsnow.
4. The energy of wind and flowing of water are due to solar energy
5. Sun is the natural sources of solar energy
What type of output does speakers and headphones send out of a computer?
Speakers and Headphones send out audio from a computer! Speakers and Headphones send out audio from a computer!
This device is designed to be able to read markings that have been placed in specific places on a form or card.
The person filling out the form/card will either colour in a series of small squares or perhaps make a cross within the square. The device then scans the card and senses where marks have been placed.
Lottery tickets are a form of input that an optical mark reader uses to input data.
The lottery card has a number of small squares printed on it that you colour in or mark with a dark pen.
The input reader senses those dark squares and converts them into the lottery number you have selected.
Example of optical mark input:
- Lottery ticket
- Official forms
Advantage:
- Good for inputting large volume of data at low cost.
- Very little training or instruction required to use the forms/card.
- Good for multi-choice questionnaires.
Disadvantage:
- Can only input a limited data set
- Poorly marked forms/cards cause errors.
- Creased/folded forms cause errors.
What ar output devices explain briefly?
An output device is any piece of computer hardware equipment used to communicate the results of data processing carried out by an information processing system (such as a computer) to the outside world.
Reference: Wikipedia.com
What is the function of computer hardware components?
Hardware refers to the physical components of the computer. Some important hardware components are:
* Monitor
* Keyboard
* Mouse * CD Drive * Hard Disk/Drive * SMPS * etc...
What are some examples of microcomputers?
Desktop computers,video game consoles, laptop, etc. are the examples of micro computer. Just about any computer that you can sit on your desk as a self-contained unit is in the class "microcomputer". This includes PCs, Macs and even laptops.
Moving back in the early days:
Apple II family
Commodore 64/ 128 Listed on Guiness as the best selling Micro computer of the 80's.
Amiga
I still think the C=64/C=128 is the best micro around :-)
( If you are looking at this question right now you probably are using a microcomputer.)
