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Q. What are the major differences between operating systems for mainframe computers and personal computers?
Answer: In general operating systems for batch systems have simpler requirements than for personal computers. Batch systems don't have to be concerned with interacting with a user as much as a personal computer. Consequently an operating system for a PC must be concerned with response time for an interactive user. Batch systems don't have such requirements. A pure batch system as well may have not to handle time sharing whereas an operating system must switch rapidly between different jobs.
what is exit status
why we say" OS is a resource allocator" and “OS is a control program"?
Define a linker program A linker program links the program along with other programs required for its execution.
Some CPUs provide for more than two modes of operation. What are two possible uses of these multiple modes?
Explain the Types of System Calls The major types of system calls are like this: a. Process Control: These types of system calls are employed to control the processes.
Produce a referenced four page report which describes the possible functionality of the system; similar systems that are out there and different possible approaches to delivering t
Second chance Algorithm When the page is chosen the reference bit is checked to see whether it has been referenced before. If that is the case after that it is given a second c
Q. How does DMA raise system concurrency? How does it make difficult hardware design? Answer: DMA increases system concurrency by allowing the CPU to perform tasks while the
what is multiprogramming
A friend has promised to log in at a particular time. However, he needs to be contacted as soon as he logs in. The shell script checks after every minute whether he has logged in o
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