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Q. Explain Frequency-division multiplexing?
Frequency-division multiplexing (FDM) is a technique for data transmission widely used in telephone, radio, and cable TV systems in which the transmission frequency spectrum (i.e., bandwidth) is divided into smaller bands known as subchannels.
Data transmission between two stations can be achieved in either simplex, half-duplex, or full-duplex mode. In a simplexmode,mainly used in radio and TV broadcasts, information travels only in one direction. Thismode is rarely used in data communications. In half-duplexmode, used by radio communications, information may travel in both directions, but only in one direction at a time. The transmitter becomes the receiver and vice versa. In a full-duplex mode, information may travel in both directions simultaneously. This mode, used in telephone systems, adopts two different carrier frequencies.
Append query can be used if you would like to add new rows of data to an already active table. The process of making an append query follows these steps they are. ? Basic step
Build U Like are a building company specialising in hard landscaping. They lay patios, build walls, lay drives etc. for their customers. A customer will remain in the system even t
Write a pseudocode for a program that accepts 10 numbers from a user and calculates the sum of all the numbers entered that are greater than or equal to 10.
Q. How I-O interface communicate with processor? The above illustration clearly specifies need communication between processor and I/O interface. This communication includes su
Discuss about the Bus and Memory Transfer A read action implies transfer of information to outside environment from a memory word, whereas storage of information inside memory
What are packages? Package is a group of elements (classes, generalizations, associations and lesser packages) with a common theme. Package partitions a model making it simpler
Storing a word in Memory: That is similar process with fetching a word from memory. The required address is loaded into the MAR After that data to be written are lo
Q. Describe about full adder? Let's take full adder. For this other variable carry from previous bit addition is added let'us call it 'p'. Truth table and K-Map for this is dis
Q. Explain Micro-operations performed by CPU? The micro-operations performed by CPU can be categorized as: Micro-operations for data transfer from register-memory, re
You are going to write a program to simulate a conversation with an old, deaf relative. You can type your statements, and whatever you say, the relative will reply randomly with on
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