ODW 6.2 Word Scramble
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Term | Definition |
communications system | In the context of a computer network, a system that includes sending and receiving hardware, transmission and relay systems, common sets of standards so all the equipment can “talk” to each other, and communications software. |
network protocol | A rule for how data is handled as it travels along a communications channel. |
analog signal | An electronic signal formed by continuous sound waves that fluctuate from high to low. |
digital signal | A discrete electronic signal that is either high or low. In computer terms, high represents the digital bit 1; low represents the digital bit 0. |
modem | A piece of hardware that sends and receives data from a transmission source such as your telephone line or cable television connection. The word modem comes from a combination of the words modulate and demodulate. |
frequency | The speed at which a signal can change from high to low; a signal sent at a faster frequency provides faster transmission. |
bandwidth | The number of bits (pieces of data) per second that can be transmitted over a communications medium. |
broadband | Any communications medium that is capable of carrying a large amount of data at a fast speed. |
kilobit per second (Kbps) | A transmission at a rate of 1 thousand bits per second. |
megabit per second (Mbps) | A transmission at a rate of 1 million bits per second. |
gigabit per second (Gbps) | A transmission at a rate of 1 billion bits per second. |
terabit per second (Tbps) | A transmission at a rate of 1 trillion bits per second. |
petabit per second (Pbps) | A transmission at a rate of 1 quadrillion bits per second. |
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