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Q. Give an instance of an application in which data in a file should be accessed in the following order:
a. Sequentially
b. Randomly
Answer:
a. Print the content of the file.
b. Print the content of record i this record is able to be found using hashing or index techniques.
We are use to using variables within C without thinking about where they are stored. Most variables are dynamic i.e. can change, therefore they are stored in Ram, unlike a program
Explain Deadlock Every process in a set of processes is waiting for an event which only a process in the set can cause.
Describe the technique of packing. The physical record size will not accurately match the length of the desired logical record and the Logical records may even differ in length
Explain about threading issues? The fork and exec system calls In a multithreaded program of few UNIX systems have chosen to have two versions of fork, one that duplicates e
What are batch systems? Early computers were physically huge machines run from a console. The general input devices were card readers and tape drivers. The common output device
What is process control block? Every process is represented in the OS by a process control block. It has many pieces of information associated with an exact process.
Q. Benefits and Drawbacks of Batch System? Benefits of Batch System: Move much of the work of operator to computer. Increased performance as it was possible for j
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How can the index blocks be implemented in the indexed allocation scheme? The index block can be implemented as follows a. Multilevel scheme b. Linked scheme c. Combin
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