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What are the steps followed in testing?
i. Unit testing - The individual components are tested in this type of testing.
ii. Module testing - Related collection of independent components are tested.
iii. Sub-system testing - This is a kind of integration testing. Several modules are integrated into a subsystem and the entire subsystem is tested.
iv. System testing - The whole system is tested in this system.
v. Acceptance testing - This type of testing involves testing of the system with customer data. If the system behaves as per customer require then it is accepted.
Q. Why page sizes always powers of 2? Answer: Recall that paging is executed by breaking up an address into a page and offset number. It is most competent to break the address
Cold Backup: It is copying the three groups of files when the object is shut down. This is a straight file copy, generally from the storage disk directly to tape. You must end th
Define System Call A system call is a request that is made by any program to the operating system for carrying out tasks - picked from a predefined set - which the said program
what is arm stickiness
What do you mean by semaphore? Semaphore : A synchronization variable that acquires on positive integer values. Invented by the Dijkstra P (semaphore): an atomic proce
1. A digitized voice channel is made by digitizing a 7 KHz bandwidth analog signal. The signal is to be sampled twice the highest frequency (two samples per hertz) . Assume each sa
Explain Deadlock Every process in a set of processes is waiting for an event which only a process in the set can cause.
Q. If magnetic hard disks eventually have the same cost per gigabyte as do tapes will tapes turn into obsolete or will they still be needed? Describe your answer. Answer: Tap
Basic concepts When a process is to be changed in, the pager guesses which pages will be used before the process is changed out again. Instead of swapping in a entire process,
what is hashed page tables & explain of there work & figure
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