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Data packets:
USB communication takes the form of packets. Originally, all packets are sent from the host, using the root hub and possibly more hubs, to components. Some of those packets direct a device to send some packets in reply.
After the sync field discussed above, all packets are made of 8-bit bytes, transmitted least-significant bit first. First byte is a packet identifier (PID) byte. The PID is in fact 4 bits; the byte consists of the 4-bit PID followed by its bitwise complement. It redundancy helps detect errors. (Note that a PID byte contains at most 4 consecutive 1 bits, and consequently will never require bit-stuffing, even when combined with the last 1 bit in the sync byte. though, trailing 1 bits in the PID may need bit-stuffing within the first few bits of the payload.)
Q. Block diagram of an associative memory? The block diagram of an associative memory is displayed in Figure below. It comprises of a memory array and logic for m words with n
Q. Explain about Hamming error correcting code? Richard Hamming at Bell Laboratories worked out this code. We will only introduce this code with help of an illustration for 4 b
magnify a triangle a(0,0), b(1,1), c(5,2) twice its size hile keeping c as fix
Explain pointers We can have a pointer pointing to a structure just the same way a pointer pointing to an int, such pointers are called as structure pointers
board coloring
Software Estimation The statement of scope helps the planner to established estimates using one or more method which fail into two wide categories: empirical modeling and decom
Binary is an alternative number system which works very good for computers. Humans have ten fingers; that's probably why we use ten digits (0, 1, 2, 3, 4, 5, 6, 7, 8, and 9) in our
What is a pipeline hazard? Any condition that causes the pipeline to stall is known as hazard. They are also known as stalls or bubbles.
Multithreaded Architecture: It is clear now that if we give many contexts to multiple threads, then processors with multiple contexts are known as multithreaded systems. These sys
Ring This is a easy linear array where the end nodes are connected. It is equivalent to a engage with wrap around connections. The data transmit in a ring is normally one dire
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