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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 might a system utilize interrupt-driven I/O to manage a single serial port however polling I/O to manage a front-end processor such as a terminal concentrator? A
Discuss in detail Table management Techniques? An Assembler employs the subsequent tables: OPTAB: Operation Code Table consists of mnemonic operation code and its machi
Q. To build a vigorous distributed system you must know what kinds of failures can occur. a. List three possible kinds of failure in a distributed system. b. State which of
What are the different directory structures? Explain each type. There are five dissimilar directory structures: 1. Single level directory 2. Two level directory
Q. State three merits of placing functionality in a device controller rather than in the kernel and State three disadvantages. Answer: Three advantages: Bugs are less probabl
What does it mean for something to be thread-safe? By saying that X is thread-safe, we mean that if multiple threads use X at the same time, we don't have to worry about concurrenc
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Locks (also known as mutexes, short for mutual exclusion locks) provide mutual exclusion to shared data inside a critical session. They are implemented by means of two atomic routi
As mentioned above, page tables, are lookup tables mapping a process' virtual pages to physical pages in RAM. How would one implement these page tables? The most straightforward
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