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File Management:
The concept of a file is central to the effective use of a computer system. A file is generally loosely defined as a collection of related information such as students records employee database.
It might contain graphical usage. A file may be organized internally into records or it may simply be a stream of bytes. A file constitutes a logical unit of storage, that is, logical to the person or program using the file.
The file management system provides and maintains the mapping between a file logical storage needs and the physical location where it is stored. Users and programs simply access the files by the name, and the file management system handles the details The file management system identifies and manipulates files by the names provided by their users determines the physical requirements of the file, allocate space for it, stores it in that space, and maintains the information about the file so that it may be retrieved partially or in full, later. The file management system keeps track of the available space on each device connected to the system. The user and the user's program need not be aware of the underlying physical storage issues.
MAGNETIC CORE MEMORY: This type of memory is used extensively in airborne digital systems, although integrated circuits are being developed with most modern aircraft systems.
Environments We have seen that intelligent agents might take into account certain information when choosing a rational action, by including information from its sensor
I define a restricted form of TMs M as follows. Given any input x on the tape of M, the initial portion of the tape that holds x is read-only and one-way. That is, M cannot write o
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explain the function of each block in the block diagram of micro-computer
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Historical Background The brief history of the growth of computers is given below: Abacus: It was the first mechanical device developed approximately 3,000 year
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Problem 1. Obtain the truth table and a Boolean expression for the following conditions: x is 0 if any two of the three variables are 1. x is 1 for all other conditions.
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