MCQ IN COMPUTER SCIENCE & ENGINEERING

COMPUTER SCIENCE AND ENGINEERING

COMPUTER NETWORKING

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Parallel Data Transmission is where
A
1 bit is transmitted at a time
B
8 bits are transmitted at the same time
C
data can only be transmitted in one direction at a time
D
8 elephants are ridden at the same time
Explanation: 

Detailed explanation-1: -Parallel Transmission is the mode of transmission in which multiple parallel links are used that transmit each bit of data simultaneously. In case of Serial Transmission, only one bit is transferred at one clock pulse. In case of Parallel Transmission, 8-bits transferred at one clock pulse.

Detailed explanation-2: -Serial Transmission: In Serial Transmission, data-bit flows from one computer to another computer in bi-direction. In this transmission, one bit flows at one clock pulse. In Serial Transmission, 8 bits are transferred at a time having a start and stop bit.

Detailed explanation-3: -What is parallel transmission? When data is sent using parallel data transmission, multiple data bits are transmitted over multiple channels at the same time. This means that data can be sent much faster than using serial transmission methods.

Detailed explanation-4: -Parallel transmission is where bits are sent simultaneously over their own individual channel.

Detailed explanation-5: -In parallel, devices send and receive multiple bits of information simultaneously. Each bit of data is sent over a single wire, so an eight-bit packet (or 1 byte) would require eight individual wires to carry the message. This means that the data packet is received by the endpoint device at once.

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