Computer Science >> Computer System Architecture

Computer system architecture is a type of structure or behavior of many functional modules of the computer. In computer system architecture we study in detail that how should many functional modules interact to each other, to provide the processing needs of the user. Computer system architecture explains the concepts of hardware components that are connected to each other to form a computer system. Computer system architecture explains the various hardware operations that are carried by the hardware parts at each level of processing of a particular process and task.

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Computer system architecture explains mainly the concept of following points like as:

Micro operations | Digital Logic circuits, components or data representation | Micro programmed control | Machine Language or assembly language | Pipeline or vector processing | CPU (Central Processing unit) | Memory organization | Multiprocessors | Arithmetic.

Each topic that is written above has its own power in solving the fundamentals of computers. That is why we are going to explain what above topics contents are:

Micro operations: Micro operations usually specify the binary operation that is 0 or 1 for strings of bits which is stored in registers.

Example: The exclusive micro-operation with the contents of two registers R1 or R2 is shown as: P: R1 <-- R1 exclusive – or R2

Digital Logic circuits, components, or data representation: Boolean algebra, Logic gates, Map simplification, Full Adder | Half Adder, Flip Flops (SR, D, JK, T, Edge Triggered), State diagram, State table, Integrated circuits, Design example or procedure, Encoders, Decoders, Registers, Multiplexers, Shift Registers, Memory unit, Binary Counters, Complements, Data types, Error detection codes, Fixed point representation.

Boolean Algebra: Boolean Algebra is deals with binary variables or logic operations, we can denote those variables like as x, y, z, X, Y.

Logic gates: The logic gates are responsible for manipulation of binary information. They are of following types:

OR | AND |NOT | NAND | BUFFER | XOR | NOR | EXCLUSICE - NOR

Pipeline or vector processing: pipeline is technique of breaking a sequential process into many sub-operations or each operation is execute in a special designated segment which operated concurrently with all other segments is pipelining. Pipelining is usually a processing segment through which binary information flows.

Some task or process takes days or weeks to complete or these tasks or processes are beyond the calculation of conventional computer, these tasks may be solved by using vector processing approach. Vector Processing are required in specialized applications.

Example. Medical diagnosis

Petroleum explorations

Long-range weather forecasting