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Read only memory (rom):
The problem with RAM is that its memory is volatile, i.e. it loses all its data when the power supply is removed. A non-volatile memory is a permanent memory that never forgets its data. One type of non-volatile memory is the Read Only Memory (ROM). A ROM has a pattern of 0s and 1s imprinted in its memory by the manufacturer. It is not possible to write new data into a ROM, which is why it is called a Read-Only Memory.
The organisation of data in a ROM is similar to that of a RAM. Thus a 256-bit ROM might be organised as a 256 X 4-bit memory, and so on. The ROM may be regarded as the "Reference Library" of a computer.
Concept of operating system: An operating system is an essential software component of a computer system. The basic objectives of an operating system are to make the computer
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draw a block diagram to show organization of a computer system .explain or a units of computer system
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Does Process Manager in Operating System know the dependency order that Process A depends on Process B?
assignment
General Considerations for Search If we may specify the starting state, the operators and the goal check for a search problem, then we know from where to start, how to move and
1. What is Evaluating Information System Investments? 2. Is IS evaluation different to evaluation of other investments? 3. What approaches are used to evaluate IS investments
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