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GATE CS 2018 - Computer Organization Quiz 9 (Secondary Memory)
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Question 1
For a magnetic disk with concentric circular tracks, the seek latency is not linearly proportional to the seek distance due to
Question 2
The program is executed from Main Memoryuntil it attempts to reference a page that is still in auxiliary memory, this condition is called as ____________
Question 3
In hard disk's, the surface gets scratched and data is destroyed when there is a:
Question 4
A hard disk has 63 sectors per track, 10 platters each with 2 recording surfaces and 1000 cylinders. The address of a sector is given as a triple <c, h, s>, where c is the cylinder number, h is the surface number and s is the sector number. Thus, the 0th sector is addressed as <0, 0, 0>, the 1st sector as <0, 0, 1>, and so on.
The address <400, 16, 19> corresponds to sector number:
Question 5
Susheel is setting up a website. He bought a fancy new hard disk which advertises:
• an 8 ms average seek time.
• 10000 RPM or roughly 6 ms per rotation.
• a2 ms overhead for each disk operation.
• a transfer speed of 10,000,000 bytes per second
Susheel had enough money left for a 10,000,000 bytes per second network connection. His system bus has a maximum baqndwidth of 133 mega bytes per second and his HTML files have an average size of 8000 bytes. How much time will it take on an average to read a random HTML file from the disk?
• an 8 ms average seek time.
• 10000 RPM or roughly 6 ms per rotation.
• a2 ms overhead for each disk operation.
• a transfer speed of 10,000,000 bytes per second
Susheel had enough money left for a 10,000,000 bytes per second network connection. His system bus has a maximum baqndwidth of 133 mega bytes per second and his HTML files have an average size of 8000 bytes. How much time will it take on an average to read a random HTML file from the disk?
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Jun 25GATE & PSU CS
