Data Communication Circuit using Modem: Data Communication Circuit using Modem - The name modem is a contraction of the term MOdulator and DEModulator. As the name implies, both functions are included in a modem. When…
Error Detection and Correction Codes: Error Detection and Correction Codes - Errors enter the data stream during transmission and are caused by noise and transmission system impairments. Because errors compromise the data and in some…
Digital Codes Types: Various Digital Codes Types of equipment are used in computer systems to send and receive data: keyboards, video terminals, printers, paper tape punches and readers, paper card punches and readers, and magnetic…
Characteristics of Data Transmission Circuits: Bandwidth Requirements - Characteristics of Data Transmission Circuits is the most instances consists of pulse-type energy. The data stream is similar to a square-wave signal with rapid transitions from one…
Digital Electronics Basics: Digital devices are based on Digital Electronics Basics circuits which can represent two states, ON or OFF. The ability to design integrated circuits consisting of thousands of transistors on wafer-thin; postage-stamp-sized chips…
Binary Number System in Digital Electronics: Binary Number System in Digital Electronics - The decimal number system, using the base or radix 10, is familiar to most people. The digits for the system are defined…
Digital Fundamentals: The meaning of the term "digital" is fundamental to an understanding of the benefits of digital technology. Digital Fundamentals data must be compared with analog data in order to understand the distinction between…
Telemetry in Electronic Communications: Telemetry in Electronic Communications consists of performing measurements on distant objects. Although hydraulic or wire circuits may be used for this purpose, this section will deal with radiotelemetry only, particularly as…
Telegraphy in Electronic Communications: Telegraphy in Electronic Communications that employs typewriter like machines operating at a maximum speed of about 60 words per minute (wpm) to send written messages from one point to another. In…
Noise in Information - Carrying Channel: Noise in Information-carrying capacity of a channel. This idea will now be explored further, as will means of combating noise. Effects of Noise: That Noise in Information has some…