NOR gate is equivalent to bubbled AND gate.

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Logic gates are transistor circuits, normally arranged on a silicon base and encapsulated inside an integrated circuit. (chip).

Using several transistors wired together, their inputs can be arranged such that, for given inputs, the output will only change state for certain conditions.

The transistor switches are in either of two states, 'on' and 'off'. These are logic states 1 & 0 (one or zero), hence binary.

The logic uses Boolean algebra.

NOT, means it is 'not on', = OFF. This is abbreviated in the descriptions as the letter 'N'

A simple AND gate, means that the output is at level zero until both inputs have a level 1 voltage on them.

A NAND gate is a 'Not And' gate. The result is reversed. The output is always at logic level 1 until both inputs also have a level 1 also.

a dial up line does not have nearly the bandwidth of cable or dsl. because of this data transmission is considerably slower then cable and dsl. because of this it takes longer for a ping to be sent and return to your computer. you can expect to get much faster pings with cable or dsl. This isn't exactly true. 'Bandwidth' and 'Latency' are different terms. The latency (or ping, if you want) behind dial-up connections actually lies behind the modem itself. This is why ISDN or DSL connections have a much lower latency compared to dial-up connections, despite them both using your phone line. A DSL connection capped to 56k (yes, it does exist) still has a much lower latency than a dial-up. The bottom line is, dial-up connections have a high latency due to the hardware used, rather than the bandwidth.

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Various analog to digital converters are available for this purpose. They are basically made up of operational amplifiers.

The other way is to convert the analog signal into samples. Then converting these samples into quantization levels. These quantization levels are then converted into 1s and 0s.

XNOR gate is called coincidence gate

An Ad Hoc network is a term used to discribe a network link directly between two computers using their network interfaces (wireless or wired). This would be an alternative to a more usual network setup where two or more computers would link up through a central network switch or hub. Normally Ad Hoc networks are created as a temp measure to achive a particular task like printing over Wireless or transfering files from one PC to another.

An Ad Hoc network wold not normally take the place of any other network already configured on a PC. Windows 7 for instance can remember and deal with many networks that have been setup on the PC.

It'll shut down, then you'll hold the button to restart it, and it'll restart. A message saying "searching for service" will appear at the top for a few seconds, and that's that. Nothing terribly dramatic, I'm afraid.

it is not a virus but a worm, if you have the proper anti virus software, you will be just fine!!!

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WiFi-> Service

Wireless-> Application With Wireless device we can conncet to Wireless internet

With Wifi we can conncet to Wireless via AP or wireless router

NAND AND NOR gates are called universal gates , becaus with a combination NAND and NOR gates alone, it's possible to create all other logic gates like AND, OR, XOR etc and you can design any logic circuit. eg: inverter-- nand with inputs shorted.

and ------ nand followed by a inverter(using nand).

or--------- giving inverted inputs to nand gate.

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The MAC address (Media Access Control) is used to identify a specific piece of network hardware, such as a network interface card (NIC), a router or a modem. Since your ISP will only wish to allow Internet access to paying customers, it can check the MAC address of your router against its list to see if it belongs to a valid customer. If you change your equipment, typically, your ISP will provide you with a process to register the new hardware's MAC address with them.

same as my modren but i know no what is wrong and hpw to fix it , do u know no how to fix it ?

its pretty good. i have a .7 down and a .3 up and i game online just fine. i cant host games very well though. I cant download large files without it taking like 2 days. but ya, that connection is decent

In the USA, now days it is. Before there were antennas to get TV signals from the air, and you could only get ABC, CBS, NBC, and PBS. Then came cable, wire and dish cable. Now there is only cable; dish and cable linkage. There is virtually no more antenna TV signals, and there are thousands of channels.

This is a diagram that can be working. It will show all of the steps that will need to be taken while the computer is in working order.

Very few modern computers have modems, due to the falling popularity of dialup modems. DSL and Cable modems are extremely rare as internal devices due to limited useability and the inability to network more than one computer or device to such a computer with ease.

If it has a dialup modem, there will be a port for a phone cord in it.

These devices server two purposes. The modem (more likely a Router if you use Broadband) connects you to the Internet. The Wireless part allows you to connect your PC to it. The advantages over a Wired Router is that a wired router requires you to connect your PC with a network cable. This restricts the position of your PC and Router as they both have to be within 5m of each other - or you invest in room to room cabling. The wireless connection allows you much more freedom as to where you locate your PC or laptop. The Wireless signal can travel through walls and ceilings so you do not need "line of sight" but it is restricted by the density of the walls and live electrical cabling. Wireless routers also allow you to connect other devices which do not have a network lead connection. This would include mobile phones, game consoles, television receivers etc.