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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 term Microprocessor. Every CPU is capable of performing certain instructions (known as machine instruction). Modern CPUs have the logic built in to perform 400-550 machine instructions. The machine instructions that a CPU can execute demonstrates its capability. Every processor is capable of performing certain operations. An instruction refers to an operation that can be performed by the processor directly. The entire set of instructions that can be executed by the processor directly, through the logic in hardware, form the instruction set of the processor. An instruction tells the processor what task is to be performed and what micro-operations need to be completed to perform the task. Every instruction execution requires execution of a set of arithmetic and logical operations (micro-operations). The size and format of the instruction varies with different processors.
This web page looks at assembly languages in a common method. Specific illustrations of addressing modes and instructions from a variety of processors are used to demonstrate the g
Systems Life Cycle Approach Systems Analysis and Design follows a life cycle for development, as shown below. Brief discussion on this approach is given here: Figure
Output Devices Video Display Unit (VDU) or Monitor Video Display Unit is similar to a television. It is used to display the results of processes. The screen is il
Electronic mail is another PC to PC and PC to mainframe data exchange. If you subscribe to an electronic mail service, it will enable your PC to gain access to a 'mailbox' on a ma
In order to be able to make a program, quite a lot of tools are needed: Earliest an editor is used to create the source program. Next a compiler, which is nothing more than a progr
HARDWARE BASICS In the foregoing section of this Unit, an attempt has been made to explain to you the historic perspective relating to the development of computer from its ear
In many respect threads operate in the similar way as that of processes. A number of the similarity and differences are: Similarities • Similar to processes threads share CPU and o
Central Processing Unit (CPU): The CPU is the physical device that controls computer operations. It is considered as the 'brain' of the computer system. The CPU comprises thre
How does GPS work in the field of Sport or athletics?
Breadth First Search - artificial intelligence: Given a set of operators o1, ..., on in a breadth primary search, every time a new state s is reached, an action for every oper
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