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What are packages?
Package is a group of elements (classes, generalizations, associations and lesser packages) with a common theme. Package partitions a model making it simpler to understand and manage.
Large applications have several tiers of packages.
Explain the Trackball and Thumbwheel devices Joysticks A joystick consists of a small, vertical lever (called the stick) mounted on a base that is used to steer the screen
Q. Calculations for a standard VGA graphics screen? Let's do the calculations for a standard VGA graphics screen (640×480) using 16 colours. Total number of Pixels = 640 ×48
Explain LRU Page replacement algorithm. LRU policy: It expands to least recently use. This policy proposes that we remove a page that last usage is farthest from present time
Q. Explain about Hyper-threading? Non threaded program instructions are executed in a single order at a time until the program completion. Presume a program have four tasks nam
Illustrate functional diagram of digital multiplexer . Write the scheme of a 4- input multiplexer using basic gates (AND/OR/NOT) and explain its operation. Ans: Multiple
What is MASK OPERATION The mask operation is similar to selective-clear operation except which the bits of Aare cleared only where there are corresponding 0's in register B. th
Explain various steps for analysing an algorithm. The several steps involved in analysis of an algorithm are: 1. For any algorithm, the first step should be to show that it
What is the use of buffer register? The buffer register is used to avoid speed mismatch among the I/O device and the processor.
Interrupt vector table is always created in first 1K area of the memory. Explain why? When CPU receives an interrupt type number from PIC, it uses this number to look up corres
Common channel signalling in SS7 is (A) out band control channel. (B) In band control channel. (C) Speech control channel. (D) None of the above. Ans:
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