What is the PID field byte for a PID code of '0010' in a USB packet structure?

  • Thread starter Liamt
  • Start date
  • Tags
    Pid
In summary, the conversation revolves around a question regarding the structure of a USB token packet. The initial question asks to identify the function of each field, specifically the PID field byte. The context provided mentions that a PID code of '0010' requires only 4 bits to store and that microcomputer memory is organized by bytes which are 8-bit entities. The technical details on the USB packet structure state that the PID field is 4 bits long and is followed by its complement. The question then asks what would be seen in the first byte of the packet. The conversation ends with a thank you for the assistance.
  • #1
Liamt
3
0
Hi i need help answering a question I am stuck on if anyones able to assist

if a PID code is ‘0010’ what should the PID field byte be?

Im really struggling on how to work it out
 
Technology news on Phys.org
  • #2
Can you give a context here? What do you mean by PID code?

If its 0010 then that requires only 4 bits to store. Microcomputer memory is organized by bytes which are 8-bit entities.
 
  • #3
jedishrfu said:
Can you give a context here? What do you mean by PID code?

If its 0010 then that requires only 4 bits to store. Microcomputer memory is organized by bytes which are 8-bit entities.

Basically the initial question is , The diagram below shows the structure of a USB token packet. Identify the function of each field.
then the next question is the one above 'if a pid code is 0010 ,what should the PID field byte be?
 
  • #5

1. What is a PID '0010' Byte?

A PID '0010' Byte is a specific type of data structure used in computer programming. It stands for "Process Identifier" and is used to uniquely identify a process or application running on a computer system.

2. How is a PID '0010' Byte used?

A PID '0010' Byte is used to manage and track processes on a computer system. It is generated by the operating system and is assigned to each process when it is created. This allows the operating system to keep track of each process and allocate system resources accordingly.

3. What does the '0010' in PID '0010' Byte represent?

The '0010' in PID '0010' Byte is a hexadecimal value that represents the Process Identifier Number. It is used to differentiate the PID '0010' Byte from other types of data structures and to ensure its uniqueness.

4. Can a PID '0010' Byte change?

Yes, a PID '0010' Byte can change. When a process ends, its PID '0010' Byte is released and can be reused by another process. This means that a PID '0010' Byte may not always represent the same process, but it will always be unique during the lifetime of the process.

5. How can I view the PID '0010' Byte for a process on my computer?

You can view the PID '0010' Byte for a process on a Windows computer by opening the Task Manager and going to the "Details" tab. On a Mac, you can view the PID '0010' Byte by opening the Activity Monitor and selecting the "PID" column.

Similar threads

  • Atomic and Condensed Matter
Replies
2
Views
1K
  • Programming and Computer Science
Replies
1
Views
1K
  • Programming and Computer Science
Replies
1
Views
1K
  • MATLAB, Maple, Mathematica, LaTeX
Replies
1
Views
2K
  • Engineering and Comp Sci Homework Help
Replies
1
Views
3K
  • Engineering and Comp Sci Homework Help
Replies
8
Views
1K
  • Engineering and Comp Sci Homework Help
Replies
2
Views
2K
Replies
1
Views
1K
  • Programming and Computer Science
Replies
3
Views
316
Replies
6
Views
1K
Back
Top