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Implementing Protection with Virtual Memory - computer architecture:
To enable the operating system to implement protection in the VM system, the HW have to:
I. Support at least 2 modes that denoted whether the running process is a user process (executive process) or an operating system process (kernel/supervisor process).
II. Provide a part ion of the CPU state that a user process may read but not write (includes supervisor mode bit).
o Only operating system process may change page tables. Page tables are held in operating system address space thereby preventing a user procedure from changing them.
o When processes desire to share information in a restricted way, the OS have to assist them.
o The write access bit (in both the TLB and the page table) can be used to limit the sharing to only read sharing.
Nanoprogramming: Second compromise: nanoprogramming it use a 2-level control storage organization Top level is a vertical format memory Output of the top level
A certain amount of side tone is essential in telephone communication. Ans: It is true that a specific amount of side tone is necessary in telephone communication.
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Explain SPC. Also discuss the different modes of Centralized SPC In stored program control systems, set of instructions or a program to the computer is stored into its memory a
In order to concatenate strings only for output purposes which command can be used in conjunction with the 'Write' statement. NO-GAP command.
CIDR stands for? CIDR stands here for Classless Inter Domain Routing.
What are the different phases of consumer mercantile model? There are three different phase of consumer mercantile model like listed as in below: • Pre-purchase interaction
By default, this page is quite barren. Though, go explore the Query Page some more; you will search that you can store numerous queries on the server, so if you regularly run a cer
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