| A modem (from modulate and demodulate) is a | | | | of computer modems, like US Robotics, Hayes, 3com, |
| device that modulates an analogue carrier signal to | | | | Xircom, Creative Labs and many more. |
| encode digital information, and also demodulates such | | | | What is Mbps? |
| a carrier signal to decode the transmitted information. | | | | Mbps stands for millions of bits per second or |
| Faster modems are used by Internet users every day, | | | | megabits per second and is a measure of bandwidth |
| notably cable modems and ADSL modems. In | | | | (the total information flow over a given time) on a |
| telecommunications, "radio modems" transmit repeating | | | | telecommunications medium. Depending on the medium |
| frames of data at very high data rates over | | | | and the transmission method, bandwidth is also |
| microwave radio links. | | | | sometimes measured in the Kbps (thousands of bits or |
| What is a Computer or Laptop Cable Modem? | | | | kilobits per second) range or the Gbps (billions of bits |
| While the terms Computer or laptop are often used | | | | or gigabits per second) range.Although the bit is a unit |
| interchangeably, A cable modem is a device that | | | | of the binary number system, bits in data |
| enables you to hook up your personal computer. A | | | | communications are discrete signal pulses and have |
| modem (from modulate and demodulate) is a device | | | | historically been counted using the decimal number |
| that modulates an analogue carrier signal to encode | | | | system. |
| digital information, and also demodulates such a carrier | | | | DSL or ADSL Modem. Features and Description! DSL |
| signal to decode the transmitted information. Faster | | | | or ADSL modems are rarely internal to the computer |
| modems are used by Internet users every day, | | | | but instead are wired to the computer's Ethernet port, |
| notably cable modems and ADSL modems. In | | | | or occasionally its USB port, while voiceband modems |
| telecommunications, "radio modems" transmit repeating | | | | are usually built inside the computer. DSL modems are |
| frames of data at very high data rates over | | | | intended for particular protocols and sometimes won't |
| microwave radio links. Some microwave modems | | | | work on another line even from the same company, |
| transmit more than a hundred million bits per second. | | | | while most voiceband modems use international |
| Optical modems transmit data over optic fibers. Most | | | | standards and can "fall back" to find a standard that |
| intercontinental data links now use optic modems | | | | will work. |
| transmitting over undersea optical fibers. | | | | Features |
| Computer modem comes in a range of different | | | | - Router functionality that uses Network Address |
| prices. You can find some form of cheap computer | | | | Translation (NAT) to share the connection |
| modems from as little as Rs.800 to over Rs.80,000 | | | | - An 802.11b or 802.11g wireless access point |
| Price ranges for computer modems general depend | | | | - Voice over IP functionality including Quality of Service |
| on the manufacturers and the type of ISP connection | | | | (priority control for data flows between users) |
| that you have. There are many quality manufacturers | | | | - Dynamic Host Configuration Protocol (DHCP) server. |