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We perform load testing once we are completed with interface (GUI) testing. Modern system architectures are large and difficult. Whereas one user testing primarily on functionality and user interface of a system component, application testing focuses on performance and reliability of an whole system. For example, a typical application-testing scenario may depict 1000 users logging in at the same time to a system. This gives rise to issues such as what is the response time of the system, does it crash, will it go with different software applications and platforms, can it hold so a lot of hundreds and thousands of users, etc. This is when we set do load and performance testing.
How does CPU know that an interrupt has taken place? There needs to be a line or a register or status word in CPU which can be increased on occurrence of interrupt situation.
What are the types of data warehouses? Various types of data warehouses are illustrated below: a) Financial Data Warehouses b) Insurance Data Warehouses c) Human Resou
Problem (a) Using a labelled diagram of an Instruction-Execution cycle, describe how a CPU executes single machine instructions by referring to the five main operations.
Why data bus is bidirectional and address bus is unidirectional in most microprocessors? The data bus is bidirectional because the data bus has to transfer data among the CPU a
Some of the uses of append query are as follows ? You will save time by appending data to an existing table rather than manual update. ? Appending files based on particular
Interrupt handling: Handling Interrupts Several situations where the processor should avoid interrupt requests Interrupt-enable Interrupt-disable Typical
What is FIFO? FIFO is used as buffering element or queuing element into the system that is by common sense, is needed only while you slow at reading than the write operation.
How many address bits are required to represent 4K memory ? Ans. 12 address bits are required for representing 4K memory, as 4K = 2 2 x 2 10 = 2 12 Therefore 1K = 1024
What is an expression tree? How an expression is evaluated using an expression tree? Algebraic expressions is as given here a/b+(c-d)e That has an inherent tree-like structure
What is Demand paging? Virtual memory is commonly executed by demand paging. In demand paging, the pager brings only those essential pages into memory instead of swapping in a
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