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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
List 3 categories of alternative input devices?
The Six Categories of Input devices
1.Typing Devices
example: Keyboard
2. Pointing Devices
example: Mouse, joystick, trackball,light pen or stylus, track pod, track point, touch screen, touch pod.
3.Optical Reading Devices
Bar code reader
biometric scanner
OCR - Optical Mark Reader
HPR - Hand Print Recognition
Scanner/Image Scanner
Flatbed
Handheld
CD/DVD Rom's Drive
Retinal I.D
Finger Print I.D
4. Magnetic Reading Devices
MICR - Magnetic Ink character Reader
Magnetic Stripes Reader
Floppy Disk Drive
External Hardrive/disk
USB Port
5. Audio Input Devices
Microphone
Headset
Voice Recognition Unit
Earpiece
6. Connectivity Devices
Bluetooth
Infrand
WiFi
Modem/router
Smart Bro
Globe Tattoo
Does turning on a fan in the room help to cool a computer?
Provided that the air inside the computer case is hotter than the temperature in the room, then basically: yes, the hot air from inside the case is replaced by cooler air from the room. However the fan only moves around the air it doesn't change the air temperature so make sure you have some good AC.
A: Even if the same hot air if allow to flow on an object it will cool it. That is the answer.
But if your PC is in front of AC for more than 3 hours, Your computer will be over cooled and this is again harm to the Computer.
A computer case needs to be large enough to house all the hardware you want to put in. Other than that, the sky is the limit.
How many bits in an IPv4 address?
Pv4 uses 32-bit (four-byte) addresses. which limits the address space to 4,294,967,296 (232) possible unique addresses. However, some are reserved for special purposes such as private networks (~18 million addresses) or multicast addresses (~270 million addresses). This reduces the number of addresses that can potentially be allocated for routing on the public Internet. As addresses are being incrementally delegated to end users, an IPv4 address shortage has been developing.
What is a device used for playing sounds?
A device which changes one form of energy to another is called a transducer, this includes changing electric energy into mechanical pressure waves, in short, sound! the most common transducer for playing sound is a speaker which uses the properties of electromagnetism to create a physical sound pressure wave.
Computer devices that use mathematic operations?
Computers transfer everything into a simple 2-digit code. The values are either 1 or O. This is the Base 2 number system. The Base 2 Numbers is easy for computers to handle because electricity can be On or Off. The electrical current flips a magnet-type device in its memory so that it is either in a 0 state or a 1 state. This is how the memory stores anything no matter how complext the data is. Any number in the Base 10 which we use(hey we have 10 fingers) can be converted into the Base 2 numbers. The computer does this and then operates by adding or multiplying in the Base 2 and then it converts it back to Base 10 for you to understand. Counting in Base 2: 0..... 1..... 10..... 11..... 100..... 101..... 110..... 111 ..... 1000 ..... 1001 ..... 1010 ..... 1011 ..... 1100 1 ..... 2 ..... 3 ..... 4..... 5..... 6..... 7..... 8..... 9..... 10..... 11..... 12 ..... 13 I hope that is right.
Where can you find windows 95 software?
on all the new computers like the mac book air and stuff like that but to get that software you will have to go to a place like PC world or specialists in computers, laptops and phones and probably you will have to either download it or have it on a chip or something.
Before you start, :Put a clear disc inside the slot. (This means that the disc was never used)
1.Download game/movie on system.
2.Go to your documents/favorites/_______ <-- movie/game.
3.Navigate somewhere where you can be able to burn discs.
4.Burn the disc. (You need to be patient because burning discs takes 5-6 hrs.)
Does Most devices connected to a computer communicate with monitor to carry out task?
Few computer devices communicate directly to the monitor...the only one is the video card. Some video cards are built into the motherboard, called an integrated video card, and some fit into an expansion slot like an AGP slot, a PCI slot, or a PCI-E slot.
In fact, computers run JUST FINE without a monitor attached....the monitor is there only so you know what the computer is doing. All other devices inside or attached to the computer communicate directly through the motherboard. The monitor is the human-readable "presentation" of what is going on inside the computer!
How does monitor display processed data from CPU?
Through the graphic interface. Video cards are graphic interfaces.
The monitor is a passive output device. It displays the video data in the way it is designed to. CRTs display pixel data in a different way than LCD displays do, or LED displays. In any case, the monitor needs a graphic interface to translate the pixel illumination data into a standard video signal.
What type of cable does a standard Ethernet require?
The modern Ethernet cable is a Category 5 UTP cable, with an RJ 45 connector.
FDD is an acronym for Floppy Disk Drive. For a short time, external floppy drives were available with special-purpose connectors. This was quickly superseded by USB ports.
A touch screen is an example of what device?
A touch screen is both an input device (on account of its touch-sensitive sensors) and an output device (because it is also a screen).
Why do system analysts begin by designing the outputs instead of system inputs?
You have to know what you want the output to look like before you can determine what avenues you need to get there.
How do you put password on computer?
If you are using windows XP , vista or windows 7 here is what to do .
1. Open your control panel and click on users and accounts.
2.click on the account you want to put a password on.
3.click on ''create a password''.
4.type in your password.
Isn't Windows 2000 the same as Windows XP?
Windows Server 2003 (also referred to as Win2K3) is a server operating system produced by Microsoft. Introduced on 24 April 2003 as the successor to Windows 2000 Server, it is considered by Microsoft to be the cornerstone of its Windows Server System line of business server products[citation needed]. An updated version, Windows Server 2003 R2, was released to manufacturing on 6 December 2005. Its successor, Windows Server 2008, was released on 4 February 2008.
According to Microsoft, Windows Server 2003 is more scalable and delivers better performance than its predecessor, Windows 2000.[2]
So, it isn't.
How do you find out how much memory is left on your laptop?
It depends on what you are meaning by "Memory." Memory usually means RAM, but the way your question was worded, it sounds like you mean hard drive space. I will tell you how to check both.
Oh, and this only applies to Windows operating systems, not Mac.
Hard Drive space remaining: Click the start menu at the bottom left of your screen. Along the right of menu that comes up, locate and click "My Computer" (My computer is for XP, for Vista, it is called "Computer"). Right click on your main hard drive (usually called "Local Disk (C:)" or something similar). It will bring up a window. Look through that window and it will show how much hard drive space you have left.
For Remaining RAM: Hold down the keys "Ctrl" and "Alt" then press the "Del" (sometimes the key says "Delete"). For XP, it will bring up Windows Task Manager; for Vista it will bring up a blue screen with some options on it, click "Start Task Manager." When you do this, it will bring up a window that has by default either your background tasks or your currently running applications, or the performance tab. Click the tab that says "Performance," if it is not already open.
For Vista: There will be a black box with some green bars in it with the word "Memory" above it, this is the currently used RAM. Subtract this amount from the total available RAM that your computer has. To find this, click the start menu at the bottom left of your screen. Along the right of menu that comes up, locate and right click on "My Computer." Click "Properties." In the window, there are some sections there. Under the section that says "System," locate the one that says "Memory (RAM):" To the right of that, there should be a number. Remember that number. Go back to the task manager and see how much memory is being used (if needed, refer back to the instructions above to locate again). Take the number of total RAM, and subtract the amount of RAM currently being used. This is how much RAM is available.
For XP: There should be a section toward the bottom right of the screen that says "Physical Memory (K)" Under this section it should have 3 subsections. One that says "Total," one that says "Available," and one that says "System Cache." Look at the number next to "Available." This is the amount of remaining RAM. If you need to convert it to megabytes (MB), instead of kilobytes (KB), write down the number and move the decimal space to the left 3 places. This is the amount of RAM in megabytes that you have.
Hope that helped!
- ElectroGoofy
A series of 3 short beeps on POST indicates what?
This incidates that one or more of your memory sticks are malfunctioning. If you have more then one memory stick, try removing one and restarting, until you've found the one causing trouble.
It is actually spelled "porte cochere", and is French for "coach door". It's original (1698) meaning was for a porch-like structure at an entrance to a building where a horse and carriage can pass through. It has been expanded to refer to a roofed structure that covers a driveway or at the entrance of a building that provides shelter for people entering or exiting a vehicle. A porte chochere is different from a carport in that vehicles do not park under them. In western culture, "porte cochere" is often spelled and pronounced "porta cache". See: http://www.merriam-webster.com/dictionary/porte+cochere http://www.buffaloah.com/a/DCTNRY/p/porte.html
What is A common measurement for hard drive storage today?
There really isn't a standard size. It's all a matter of opinion and depends on what you will be using the computer for. Generally, they range between 100 GB and 500 GB, but can exceed into the 10 TB range (TB stands for terabyte).
What is difference between surge absorber and surge suppressor?
There is likely no difference. Neither is accepted terminology for a surge suppressive device (SPD). If these products have been tested by safety organizations such as CSA (Canada) or UL (US) or tested to international surge standards (IEEE, IEC), then they should bare the correct terminology, otherwise, they are not tested to provide protection to equipment during a surge.
Surge Absorber acts as a load that utilizes the high current until it exhausts. but the surge suppressor diverts the high current into ground without reaching the sensitive parts of the circuit.
Surge absorber degrades faster than a surge suppressor.
