Delhi Metro Rail Corporation Interview Questions and Answers

DeMux is short for Demultiplexer. It is a digital circuit that takes one input and directs it to multiple outputs.

• DeMux is used in digital communication systems to separate signals that have been combined for transmission.

• It is also used in computer memory systems to select a specific memory location.

• DeMux is used in video and audio systems to separate different channels of information.

• It is used in automation systems to control multiple devices with a single input signal.

Program to print a given string in reverse

• Create a character array of the given string

• Loop through the array from end to start and print each character

Yes, I am comfortable working for Testing.

• I have experience in testing and understand its importance in software development.

• I am willing to learn new testing techniques and tools.

• I am comfortable working with testing teams and collaborating with them to ensure quality software.

• I understand the importance of testing in ensuring customer satisfaction and reducing costs.

• Examples: I have experience in manual and automated testing, regression testing, and performance testing.

Mux is a device that selects one of several input signals and forwards the selected input into a single output line.

• Mux stands for Multiplexer.

• It is used in digital circuits to select one of several input signals and forward the selected input into a single output line.

• It is used in communication systems to combine multiple signals into a single channel for transmission.

• It is used in video and audio systems to switch between different sources.

• It is used in computer memory to ...read more

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Decoder converts encoded data into a readable format while Demux separates a single input into multiple outputs.

• Decoder is used to decode encoded data such as binary data into a readable format.

• Demux is used to separate a single input into multiple outputs based on the control signals.

• Decoder is a combinational circuit while Demux is a sequential circuit.

• Decoder is used in applications such as remote controls, computer memory, and communication systems.

• Demux is used in applic...read more