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Q. List the four steps that are essential to run a program on a completely dedicated machine.
Answer:
a) Reserve machine time
b) Manually load program into memory
c) Load starting address and begin execution
d) Monitor as well as control execution of program from console
basic advantage of using interrupt initiated data transfer over transfer under program control without an interrupt
examples of classification of models
Q. Describes responsibilities of the I/O manager? Answer: The I/O manager is responsible for file systems and device drivers and network drivers. The I/O manager keeps follow
Process Description A process in UNIX is a somewhat complex set of data structures that provides the operating system with all of the information necessary to dispatch and manag
LOOK o Like SCAN except stops moving inwards (or outwards) when no more requests in that direction exist. C-SCAN (circular scan) o Moves inwards servicing requests u
Explain about file allocation methods? The main problem in direct-access nature is how to assign space to these files so that disk space if utilized effectively and files can b
Define the Main reason to encrypt a file Major reason to encrypt a file is secure it for transmission.
What is File Allocation? The structure that offers the FAT file system its name is the file allocation table . In order to know what this important table does, you should fir
Logical File System Responsible for providing the before discussed interface to the user including: File access. Directory operations. Security and protection.
How is it different from the unbounded buffer algorithm ? Explain.
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