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RISC architecture - computer architecture:
What is reduced regarding it? The answer of this question is that to make all instructions the equal length the number of bits that are used for the opcode is reduced. Accordingly fewer instructions are provided. The instructions that were thrown out are the less significant string and BCD (binary-coded decimal) operations. Acutely, now that memory access is limited there aren't various kinds of MOV instructions or ADD instructions. Therefore the previous architecture is called CISC (Complete Instruction Set Computer). RISC architectures are also known as LOAD/STORE architectures.
The number of registers in RISC is typically 32 or more. The first the MIPS 2000 and RISC CPU has 32 GPRs as different to 16 in the 68xxx architecture and 8 in the 80x86 architecture. The only disadvantage of RISC is the code size of it. Typically more instructions are required and there is a waste in short instructions (POP, PUSH).
Control Signals from Control Bus: A number of the control signals are provided to control unit by the control bus. These signals are issued from outside the CPU. Some of these si
Q. Need of the assembly language ? Machine language code comprises the 0-1 combinations which computer decodes directly. Though the machine language has the following problems
Problem 1. Explain briefly the process of matching production rules against working memory 2. What are the different kinds of knowledge that need to be represented in AI? Ex
What is low-level formatting? Before a disk can store data, it must be divided into sectors that the disk controller can read and write. This process is known as low-level for
Eequivalences rules: This conveys a meaning that is actually much simpler so than you would think on first inspection. Hence we can justify this, by using the following ch
TII stands for? Ans. TII stands for Table of incomplete instructions.
What are two reasons for using layered protocol? Layered protocol implies protocols used into each layer are the layer's own business that is they don't influence protocol of a
Explain about the term business-to-customer. B2C (business-to-customer): "Electronic commerce" is usually understood mostly as selling goods or services to people ("last
What is dispatch unit? A separate unit which we call the dispatch unit fetch instructions from the front of the queue and sends them to the execution unit. The dispatch unit al
What is swapping? A process can be swapped out temporarily of memory to a backing store and after that brought back in memory for execution as continued.
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