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CS501
GDB NO. 1
ADVANCE COMPUTER ARCHITECTURE
FALL 2022
QUESTION:
In designing parallel I/O ports the voltage and
current requirements of the I/O ports must be matched with the voltage and
current specifications of the CPU. For some reason we ignore the voltage and current
matching details and only focus on the logic levels and timing aspects of the
design. Do you think it is necessary to match the timing requirements of the
I/O ports to be designed with the timing parameters of the given CPU. Write yes
or no and justify your answer with supportive reasons why it is necessary or
why it is not necessary.
SOLUTION:
Yes, it is necessary to match the timing requirements
of the I/O ports to be designed with the timing parameters of the given CPU.
If the timing requirements of the I/O ports are not
matched with the timing parameters of the CPU, data may be transmitted or
received at incorrect times, leading to data errors or even system crashes. For
example, if the I/O port operates at a faster rate than the CPU can handle, the
CPU may not be able to keep up with the incoming data and may drop or corrupt
some of the information. Additionally, if the I/O port operates at a slower
rate, the CPU may waste time waiting for data that never arrives, causing
delays and inefficiencies in the system.
Matching the timing requirements of the I/O ports and
the CPU also helps to ensure that the system as a whole operates at optimal
performance and reduces the risk of system errors or crashes. It also makes the
system more reliable and consistent.
Therefore, it is necessary to match the timing
requirements of the I/O ports to be designed with the timing parameters of the
given CPU to ensure that the system operates correctly and efficiently.
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