Question

As the clock frequency, Hard Disk storage, Address Bus, and Cash memory increases, what will be the final effect on the performance of the PC. Explain.

Answer 1

This question talks about the performance of the PC upon increase in a number of parameters.

The parameters being:

1. Clock Frequency

2. Hard Disk Storage

3. Address Bus

4. Cache Memory

So, we will each one's effect one by one and finally comment about the final effect on the performance of the PC.

1. Increase in clock frequency: With increase in clock frequency, the time of execution of an average instruction would reduce. This would add to the performance rise of the PC.

2. Increase in Hard Disk Storage: With the increase in Hard Disk Storage, reading data and writing data into this secondary storage would require more time. But, because of this evergreen memory vs time trade-off, we cannot do much about it, unless and until we increase the cache. So, Basically it would add to loss of performance of the PC.

3. Increase in Address Bus size: Increase in address bus size would allow for retreiving data in less time and thus would allow for increase in performance of the PC as well.

4. Cache Memory: Increase in cache memory is always a merit as it reduces the number of direct secondary memory calls and actually reduces a lot of overhead. This also compensates for the Increase in Hard Disk Storage. Thus, it provides a performance rise to the PC.

So, in overall, we see that increasing the value of these parameters would actually rise the performance of the PC.