Computer organization mcqs serial ports

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Computer organization mcqs serial ports

Question 1 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The mode of transmission of data, where one bit is sent for each clock cycle is .....
A
Asynchronous
B
Parallel
C
Serial
D
Isochronous
Question 1 Explanation: 
In the isochronous mode of transmission, each bit of the data is sent per each cycle.
Question 2 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The transformation between the Parallel and serial ports is done with the help of .....
A
Flip flops
B
Logic circuits
C
Shift registers
D
None of the mentioned
Question 2 Explanation: 
The Shift registers are used to output the data in the desired format based on the need.
Question 3 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The serial port is used to connect basically ..... and processor.
A
I/O devices
B
Speakers
C
Printer
D
Monitor
Question 3 Explanation: 
The serial port is used to connect the keyboard and other devices which input or output one bit at a time.
Question 4 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The double buffer is used for .....
A
Enabling retrieval of multiple bits of input
B
Combining the input and output operations
C
Extending the buffer capacity
D
None of the mentioned
Question 5 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
..... to increase the flexibility of the serial ports.
A
The wires used for ports is changed
B
The ports are made to allow different clock signals for input and output
C
The drivers are modified
D
All of the mentioned
Question 5 Explanation: 
The ports are made more flexible by enabling the input or output of different clock signals for different devices.
There are 5 questions to complete.

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