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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 instruction: The CPU is a semiconductor integrated circuit chip consisting of a large number of transistors. In personal computers, the CPU is also referred by the
Dictionary values encompass no limitations. They can be any random Python object, moreover standard objects or user-defined objects. Though, same is not true for the keys. There ar
I have an account in my www.itlab.com and i have a test and it should do tonight, so do you have any one to help me and do this test and it is about excel
THE FIRST GENERATION (1949-1955) The computers in this generation have the following characteristics: Physically large in size Inflexible in operations
architectural design
Implementing the -Crochemore-Perrin algorithm The software must be functional, code must be clear and including comments and it must have a nice and decent user interface
explian set associte mapping
Output devices: One of the most important output devices in computer system is its screen commonly called monitor. It is an output device and displays all the programs and app
VDU (Visual Display Unit) output Make sure that VDUs are of an appropriate type. They can cause severe eyestrain and tension if you do not check: (a) Colour (
Selects among the processes in memory which are ready to execute & allocates the CPU to one of them CPU scheduling decisions can be taken place when a process: A. Terminates B. Swi
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