You are given two bits to capture access operations on a directory. How would you use the four operations available to you?
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Q: Imagine that a file block is located at disk block 581132. What does this information tells you?
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Q: What exactly are sequence access files, and how exactly do they perform their functions
A: Please find the answer below :
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You are given two bits to capture access operations on a directory. How would you use the four operations available to you?
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- In the case of a long filename that is placed in a volume directory (under MS-Windows), how is the first long filename entry in the volume directory determined?An application loads 100 libraries at start-up. Loading each library requires exactly one disk access. The seek time of the disk to a random location is given as 10 ms. Rotational speed of disk is 6000 rpm. If all 100 libraries are loaded from random locations on the disk, how long does it take to load all libraries? (The time to transfer data from the disk block once the head has been positioned at the start of the block may be neglected.)If two links to an existing file are created in the same directory as the original (using the link syscall), how many inodes are used to store information about the three directory entries?
- Instructions Your job is to write a program to encrypt outgoing messages and decrypt incoming messages using a Vigenere Cypher. In this assignment, you will parse a string of words from a file into tokens using the strtok_s command with pointers and then use the Vigenere Cypher algorithm to encrypt and decrypt the parsed words. Before you can perform any encryption/decryption activities, the first step is to read in messages from a file and parse the messages into individual words. The Program: Setting up classes and understanding tokenization The first step in encrypting/decrypting messages is to parse the messages into words before applying the encryption/decryption algorithms to them. This parsing process is called “tokenization.” Read the contents of a file into this array using the getline command. The objective of this assignment is to demonstrate the use of pointers in a program utilizing c-strings and tokenization. The use of pointers is foundational in C++. This…What is the significance of inode pointers in Unix-like file systems, and how do they facilitate directory operations?You must utilize cypher block chaining or cypher feedback mode if you need to transfer a really large file.If one is more effective, by what percentage is it better?
- What file access pattern is most suited to disc chained file allocation?In Minix or UNIX-like operating systems, when a file system is mounted, the directory chosen for the mount point must be an empty directory. True FalseThe owner of KFC wants to use a system to record the orders for the hamburgers. KFC accept the orders via phone calls. When registered customers call KFC on the phone, they are asked their phone number. If the customer is not a registered customer, then a new record is created for the customer. When the phone number is typed into a computer, the name, the email address and the address of customer are automatically brought up on the screen. After taking the order, the total, including tax is calculated. Then the order is given to the cook. A receipt is printed. Sometimes, discount coupons are printed so the customer can get a discount. Carriers who make deliveries give customers a copy of the receipt and a coupon (if there is any). Weekly totals are kept for comparison with last month’s performance. 1.Write a summary of business activities for taking an order.. 2. Draw a context-level data flow diagram.. 3. Draw a level-0 data flow diagram..
- It's hard to tell the difference between back-ups that are done in a certain order and ones that are done in one file.UNIX ASSIGNMENT - IXQuestion 9 : In an organisation one wants to know how many programmers are there. The employee data is stored in a file called ‘personnel’ with one record per employee. Every record has field for designation. How can grep be used for this purpose?This is the question I am struggling with - A personal phone directory contains room for first names and phone numbers for 30 people. Assign names and phone numbers for the first 10 people. Prompt the user for a name, and if the name is found in the list, display the corresponding phone number. If the name is not found in the list, prompt the user for a phone number, and add the new name and phone number to the list. Continue to prompt the user for names until the user enters quit. After the arrays are full (containing 30 names), do not allow the user to add new entries. Use the following names and phone numbers: Name Phone # Gina (847) 341-0912 Marcia (847) 341-2392 Rita (847) 354-0654 Jennifer (414) 234-0912 Fred (414) 435-6567 Neil (608) 123-0904 Judy (608) 435-0434 Arlene (608) 123-0312 LaWanda (920) 787-9813 Deepak (930) 412-0991 This is the code I have. I have gotten one out of the four checks so somewhere I am either over complicating it or I just…
