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A computer manipulates data consistent with instructions of a stored program. Stored program means that the data and program are stored in same memory unit. Central processing unit (CPU) performs the bulk of data processing operations. It has 3 main components:
1. A set of registers for keeping binary information.
2. An 'Arithmetic and logic unit' also referred by (ALU) for performing data manipulation
3. A control unit also called as CUwhich controls and coordinates the different operations and initiates appropriate sequence of micro-operations for every task.
Computer instructions are generally stored in consecutive memory locations and are executed in sequence one by one. Control unit permits reading of an instruction from a specific address in memory and executes it with help of Register and ALU.
Explain Direct Memory Access. A modest enhances in hardware enables an IO device to transfer a block of information to or from memory without CPU intervention. This task needs
Stencil Duplicating Equipment Required Stencil Duplicator Thermal copier (optional) Electronic stencil cutter Materials Stencil COPY paper Ink Clean
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A router is used to Distributes information among networks.
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