The Essentials of Computer Organization and Architecture
4th Edition
ISBN: 9781284045611
Author: Linda Null, Julia Lobur
Publisher: Jones & Bartlett Learning
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Expert Solution & Answer
Chapter 7, Problem 31E
a.
Explanation of Solution
Given:
Given that the disk drive has the following features:
Number of surfaces = 6
Tracks per surface = 953
Sectors per track = 256
Bytes per sector = 512 bytes
Seek time = 6.5ms
Rotational speed = 5400rpm
To find: Capacity of the drive
Solution:
The capacity of the drive is manipulated by multiplying number of surfaces, tracks per surface, sectors per track and bytes per sector.
b.
Explanation of Solution
Given:
Given that the disk drive has the following features:
Number of surfaces = 6
Tracks per surface = 953
Sectors per track = 256
Bytes per sector = 512 bytes
Seek time = 6.5ms
Rotational speed = 5400rpm
To find: Access time
Solution:
The summation of rotational delay and seek time is called access time.
Rotational delay =
c.
Explanation of Solution
Faster disk:
“Yes”, this disk faster than the disk that was specified in Exercise 30 because, the access time “12.66ms” in “Exercise 30” is slower than the access time “12...
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7. See the code below and solve the following.
public class Test {
public static void main(String[] args) {
int result = 0;
}
result = fn(2,3);
System.out.println("The result is:
+ result);
// fn(x, 1) = x
// fn(x, y)
=
fn(x, y-1) + 2, when y>1
public static int fn(int x, int y) {
if (x <= 1)
return x;
else
return fn(x, y-1) + 2;
}
}
7-1. This program has a bug that leads to infinite recursion. Modify fn(int x, int y) method to fix
the problem. (2 point)
7-2. Manually trace the recursive call, fn(2,3) and show the output (step by step). (2 point)
7-3. Can you identify the Base Case in recursive method fn(int x, int y)? (1 point)
Chapter 7 Solutions
The Essentials of Computer Organization and Architecture
Ch. 7.7A - Prob. 1ECh. 7.7A - Prob. 2ECh. 7.7A - Prob. 3ECh. 7.7A - Prob. 5ECh. 7.7A - Prob. 6ECh. 7.7A - Prob. 8ECh. 7.7A - Prob. 9ECh. 7.7A - Prob. 10ECh. 7 - Prob. 1RETCCh. 7 - Prob. 2RETC
Ch. 7 - Prob. 3RETCCh. 7 - Prob. 4RETCCh. 7 - Prob. 5RETCCh. 7 - Prob. 6RETCCh. 7 - Prob. 7RETCCh. 7 - Prob. 8RETCCh. 7 - Prob. 9RETCCh. 7 - Prob. 10RETCCh. 7 - Prob. 11RETCCh. 7 - Prob. 12RETCCh. 7 - Prob. 13RETCCh. 7 - Prob. 14RETCCh. 7 - Prob. 15RETCCh. 7 - Prob. 16RETCCh. 7 - Prob. 17RETCCh. 7 - Prob. 18RETCCh. 7 - Prob. 19RETCCh. 7 - Prob. 20RETCCh. 7 - Prob. 21RETCCh. 7 - Prob. 22RETCCh. 7 - Prob. 23RETCCh. 7 - Prob. 24RETCCh. 7 - Prob. 25RETCCh. 7 - Prob. 26RETCCh. 7 - Prob. 27RETCCh. 7 - Prob. 28RETCCh. 7 - Prob. 29RETCCh. 7 - Prob. 30RETCCh. 7 - Prob. 31RETCCh. 7 - Prob. 32RETCCh. 7 - Prob. 33RETCCh. 7 - Prob. 34RETCCh. 7 - Prob. 35RETCCh. 7 - Prob. 36RETCCh. 7 - Prob. 37RETCCh. 7 - Prob. 38RETCCh. 7 - Prob. 39RETCCh. 7 - Prob. 40RETCCh. 7 - Prob. 41RETCCh. 7 - Prob. 42RETCCh. 7 - Prob. 43RETCCh. 7 - Prob. 44RETCCh. 7 - Prob. 45RETCCh. 7 - Prob. 46RETCCh. 7 - Prob. 47RETCCh. 7 - Prob. 48RETCCh. 7 - Prob. 49RETCCh. 7 - Prob. 1ECh. 7 - Prob. 2ECh. 7 - Prob. 3ECh. 7 - Prob. 4ECh. 7 - Prob. 5ECh. 7 - Prob. 6ECh. 7 - Prob. 7ECh. 7 - Prob. 8ECh. 7 - Prob. 9ECh. 7 - Prob. 10ECh. 7 - Prob. 11ECh. 7 - Prob. 12ECh. 7 - Prob. 13ECh. 7 - Prob. 14ECh. 7 - Prob. 15ECh. 7 - Prob. 16ECh. 7 - Prob. 17ECh. 7 - Prob. 18ECh. 7 - Prob. 19ECh. 7 - Prob. 20ECh. 7 - Prob. 21ECh. 7 - Prob. 22ECh. 7 - Prob. 23ECh. 7 - Prob. 24ECh. 7 - Prob. 25ECh. 7 - Prob. 26ECh. 7 - Prob. 27ECh. 7 - Prob. 28ECh. 7 - Prob. 29ECh. 7 - Prob. 30ECh. 7 - Prob. 31ECh. 7 - Prob. 32ECh. 7 - Prob. 33ECh. 7 - Prob. 34ECh. 7 - Prob. 35ECh. 7 - Prob. 36ECh. 7 - Prob. 37ECh. 7 - Prob. 38ECh. 7 - Prob. 39ECh. 7 - Prob. 40ECh. 7 - Prob. 41ECh. 7 - Prob. 42ECh. 7 - Prob. 43ECh. 7 - Prob. 44ECh. 7 - Prob. 45ECh. 7 - Prob. 46ECh. 7 - Prob. 47ECh. 7 - Prob. 48ECh. 7 - Prob. 49E
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- 6. See the code below and solve the following. import java.io.*; public class DataStream { } public static void main(String[] args) } DataOutputStream output = new DataOutputStream(new FileOutputStream("temp.dat")); output.writeUTF("Book1"); output.writeInt(85); output.writeUTF("Book2"); output.writeInt(125); output.writeUTF("Book3"); output.writeInt(70); output.close(); // ToDo: Read all data from temp.dat and print the data to the standard output (monitor) 6-1. This program has a compile error, and the message is “Unhandled exception type FileNotFoundException". How do you fix this error? (1 point) 6-2. Is FileNotFoundException a checked exception or an unchecked exception? (1 point) 6-3. What is the difference between checked exception and unchecked exception? (1 point) 6-4. Please complete the above program by reading all data from temp.dat and print the data to the standard output (monitor) by using System.out.print, System.out.println or System.out.printf method. (2 points)arrow_forwardWrite a program that reads a list of integers from input and determines if the list is a palindrome (values are identical from first to last and last to first). The input begins with an integer indicating the length of the list that follows. Assume the list will contain a maximum of 20 integers. Output "yes" if the list is a palindrome and "no" otherwise. The output ends with a newline. Hints: - use a for loop to populate the array based on the specified size (the first number entered) - use a for loop to check first value with last value, second value with second from end, etc. - if the values do not match, set a Boolean variable to flag which statement to output (yes or no) Ex: If the input is (remember to include spaces between the numbers): 6 1 5 9 9 5 1 the output is: yes Ex: If the input is: 5 1 2 3 4 5 the output is: C++ codingarrow_forwardDesign and draw a high-level "as-is" process diagram that illustrates a current process related to a product or service offered through the SSDCI.gov database.arrow_forward
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