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Cable Internet

Cable internet is a common high-speed broadband internet connection for home use. Questions about this type of connection and the technologies involved belong here.

1,581 Questions

1 If One computer can do a job twice as fast as another and Working together both computers can do the job in 2 hr How long would it take each computer working alone to do the job?

We first determine the ratio of relative computer speed to the total collective work done. Since two computers are involved, that requires 240 minutes of total execution time. The first computer performs twice as slowly as the second, so it runs at "2x" amount of time used. The second computer runs at "x" amount of time. The initial equation is:

1x + 2x = 240

The result of combining like terms and simplifying the result comes to:

x = 80

Therefore, computer 1 performs 80/240 (or 1/3) of the work, while the faster computer performs 160/240 (or 2/3) of the work. To come up with the final amount of time it would take, we set up two equations:

1/3x = 240

2/3x = 240

This means that it would take the slower computer 720 minutes to complete the task by itself, while the faster computer would finish in only 360 minutes.

What is the best internet provider in 21, guys I am a streamer and reliable , uninterrupted Internet is very important for me , and the speed sometimes leaves much to be desired?

There are a huge number of good Internet service providers. Personally, I have

been using it h t t p s ://yazing. com/deals/verizon/msecretpurple for several

years and I do not remember at all when it was turned off . By the way, they

now also have a big discount just at this link. Just remove the space bar .

Why do TTl integrated circuits assume unconnected inputs to be at logic?

Unused ttl inputs would normally default to logic 1 if left floating. but these inputs could act as antennas under certain conditions and they could pick up noise which can cause the circuit to malfunction.

The advantages of using programmable logic compared with traditional discrete logic implementations?

Programmable logic devices were invented in the late seventies and

since then have proved to be very popular and are now one of the

largest growing sectors in the semiconductor industry. Why are

programmable logic devices so widely used? Programmable logic

devices provide designers ultimate flexibility, time to market advantage,

design integration, are easy to design with and can be reprogrammed

time and time again even in the field to upgrade system functionality.

Which digital technology provides an upstream speed that is typically less than the downstream speed?

my kickstand on my bike broke so i used a tire patch kit to fix it last time

^hate pricks like him/her this is the correct answer: ADSL

Why can an analog signal carry less information than a digital signal?

The short answer is compression. It also depends on what types of signals you are referring to. I will talk about cable because its easier.

Think of it as space on a line, a Analog tv signal for 1 channel takes up 6 Mhz of space. ------

A digital signal is "compressed" now its the same picture but it only takes up .75 Mhz of space or -

So because the information is compressed into smaller spaces you can fit 4 channels of digitally compressed TV into the space required for 1 analog channel.

That's the short and skinny on that.

Which logic gate has output high if and only if all inputs are low?

  • NOR - has two or more inputs
  • inverter - only has one input, so that input is all inputs

Is it possible to use your wireless connection with someone else's internet connection when you are away from home?

Go to connections, search for wireless connections in the area, then if it requires a password, get the password from the administrator or whoever holds it.

What are retrace lines on a tv?

Why TV Retrace Lines OccurI am no expert, but I will try to explain A standard TV screen is made up of 480 lines from top to bottom. Retrace lines will only happen on a TV with a regular Picture tube (known as a CRT), they will not happen on a LCD or Plasma screen. So before I say how retrace lines happen, lets first get little understanding of how the TV puts an image on a CRT. The lines on a CRT are made by a device in the back (known as the neck)of the picture tube called the electron gun. By use of magnetic fields controlled through a device called a Yoke mounted on the neck of the CRT. Now the electron beam emitted by the electron gun is made to go across the front of the CRT screen that is coated with a layer of Phosphor that glows when the electron hits it. When that beam starts at one side reaches the opposite side of the picture tube it has to quickly return back to that first side in order to make that next line. On a standard TV, in order to make the image of a single frame, it creates this line across the screen 240 times from top to bottom, it then returns to the top and starts down again with a second set of 240 lines that fill in between the first 240 lines to create one full frame image of 480 lines, and it does this 30 times a second. Now the retrace lines you are asking about happens when a circuit in the TV known as the Blanking Circuit, fails causing the Beam that is moving from the bottom to the top of the screen to become visible.

How do is a microwave signal converted to RF and IF signals?

The short answer is "by superheterodyning it". A more complete answer requires information not given in your question.

What is the code for a rescue pet?

you must buy a rescue pet or you won't have any pet to go to www.myepet.com

What are all the mocospace badges?

Check out my profile I have some of them. Most of the badges are for spending time on mocospace or a consecutive day count. 120 days in a row is the maximum I believe. There are a few for adding certain numbers of people as well.

Check out my profile to see em and add me

Mocospace.com/alliecheer

What is the function of RS232?

'RS-232' (Recommended Standard 232) is a Standard American format for serial data transmission by cable, such as from computer terminal to modem.

RS-232 transmission utilizes a distinctive 25-pin connector, but under most circumstances only a few of the 25 conductors are used.

RS-232 was adopted as a standard for serial binary data signals connecting between a DTE (Data terminal equipment) and a DCE (Data Circuit-terminating Equipment). It is commonly used in computer serial ports. RS-232 is similar to the ITU-T standard 'V.24'. The International Telecommunications Union (ITU), which is closely associated with the United Nations (UN), issues various standards for telecommunication systems and equipment for use in all countries which support the UN and ITU.

What is the boolean expression for a NAND gate?

There are two forms of the NAND gate. Inverted input: Ouput = not Input1 and not Input2 and not Input3 ...

Inverted output: Output = not (Input1 and Input2 and Input3 ...)

Why does impulse noise has more impact on digital signals than analog signals?

Go back to your teacher/lecturer/tutor and check the question..

My experience shows that it's the *opposite* way around.

Is cable Internet everywhere?

No. Cable internet is only found in what are termed "developed nations" as it is very expensive to set up and most "less developed" nations do not have the infrastructure in place yet to cope with the demand for the interweb.

Why 802.11use acknowledgements but not in wired Ethernet?

Two scenarios exist where a wireless network might not know if a frame was successfully delivered, that do not exist in a wired network. First, a weak wireless signal could mean that the sender may not be capable of transmitting and listening at the same time, and this makes collision detection impossible. Second, fading or the hidden-terminal problem could mean that interference occurred during the transmission without the sender knowing.

How can you see old WWE matches?

try it on youtube.com if it dont go,write there not WWE but WWF(it was called like that before being called WWE)

How to convert nor GATEto not gate?

This is made by joining the inputs of a NOR gate. As a NOR gate is equivalent to an OR gate leading to NOT gate, this automatically sees to the "OR" part of the NOR gate, eliminating it from consideration and leaving only the NOT part.

Truth Table

Input A Output Q

0 1

1 0

What is difference between encoder and multiplexer in digital electronics?

An encoder refers to a device that is used to change a signal or data into a code. Whereas a Multiplexer or mux is a device which performs multiplexing or it takes information from more than one channels and outputs into a single channel. Thus a multiplexer is basically a kind of encoder where its function is to combine multiple inputs into one output.