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What is Machine Language?
To write program for a computer we need to specify, directly or indirectly the sequence of machine instructions. These instructions inside computer form a binary pattern that is difficult to understand and to manipulate. The instruction set of basic computer, whose hardware organization was explored used to program the computer.
Why do we need DMA? DMA is used to transfer the block of data directly among an external device and the main memory without the continuous intervention by the processor.
Q. Interfacing of keyboards? The keyboard employs a special Input/output port which is similar to a serial port however doesn't explicitly follow the RS-232 serial port standar
Explain the disadvantages Off-the-shelf - can be over-complex since it tries to cover as many characteristics as possible (for example most users of Word only utilise about
Q. Explain about Hybrid model? Hybrid models are normally tailor-made models suiting to particular applications. In fact these fall in category of mixed models. These type of a
Q. Illustrate basic working of Physical layer? Physical layer: Physical layer is concerned with sending raw bits between source and destination nodes over a physical medium.
Unity / variety Unity is created by the use of elements that look like they belong together, in other words the piece will have a feeling of internal consistency. The most
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:
write about operator precedence in java?
Micro-Operations A micro-operation is an basic operation which is performed on data stored in registers. We can classify micro-operations into four categories: 1. Register t
A dialog box such as a File menu that have one command until it is clicked when a number of dissimilar commands "drop-down."
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