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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.)
Real time clock A real-time clock keeps the time in real time - i.e. in hours and minutes. Software for the real-time clock comprises an interrupt service procedure which is c
What is .NET / .NET Framework? It is a Framework in which Windows applications might be developed and run. The Microsoft .NET Framework is a platform for building, deploying,
is data bus is bidirectional
Accumulator is the register in which Arithmetic and Logic calculations are completed.
How does CPU know that an interrupt has taken place? There needs to be a line or a register or status word in CPU which can be increased on occurrence of interrupt situation.
Name some Popular Internet Browsers There are many internet browers are available on internet. Some Popular Internet Browsers are: Internet Explorer, Netscape Navigato
Question 1 Discuss the working principle of an interrupt and hardware actions in interrupt handling 2 Discuss the important characteristics of 8237 3 Describe the format
Can the operand expression in an ORG statement contains forward references? If so, outline how the statement can be processed in a two-pass assembly scheme. ORG that is origin
Q. Write an interrupt routine to handle 'division by zero'? This file can be loaded just like a COM file though makes itself permanently resident until the system is running.
Differences between Datagrid, Datalist and Repeater? 1. Datagrid has paging while Datalist doesnt. 2. Datalist has a property known as repeat. Direction = vertical/horizon
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