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Digital Communication Basics

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Questions and Answers

What is a key characteristic of synchronous transmission?

It can operate at different Baud rates for the sender and receiver.
It requires a shared clock signal between the sender and receiver. (correct)
It is commonly used in real-time systems that require asynchronous transmission.
It uses start and stop bits to indicate transmission duration.

What is the primary purpose of the start and stop bits in asynchronous transmission?

To indicate the duration of a transmission. (correct)
To provide a clock signal for the transmission.
To synchronize the Baud rate of the sender and receiver.
To ensure the transmission is received in the same order it was sent.

What type of data transmission is typically used in the fetch-execute cycle of a computer's processor?

Asynchronous transmission with a variable Baud rate.
Synchronous transmission with a shared clock signal. (correct)
Serial transmission using a single line.
Parallel transmission using multiple lines.

What is a key advantage of serial mediums over parallel mediums?

They are cheaper to install and require less maintenance. (A) Signup and view all the answers

What is the primary requirement for asynchronous transmission to work successfully?

The sender and receiver must use the same Baud rate. (D) Signup and view all the answers

What is the primary advantage of serial data transmission over parallel data transmission?

It is more reliable, especially over long distances (C) Signup and view all the answers

Which of the following is a measure of the number of signal changes in a medium per second?

Baud rate (A) Signup and view all the answers

What is the primary cause of data corruption in parallel data transmission?

Crosstalk (B) Signup and view all the answers

What is the unit of measurement for bandwidth?

Hertz (A) Signup and view all the answers

What is the main purpose of a protocol in communication between devices?

To allow devices made by different manufacturers to communicate seamlessly (C) Signup and view all the answers

What is the primary advantage of parallel data transmission over serial data transmission?

It is faster due to the simultaneous transmission of multiple bits (C) Signup and view all the answers