Why use caching when we already have volatile RAM (Random Access Memory)? Transistors are employed in both random access memory and caching. If it were technically feasible, could a computer use just one kind of memory for all of its processes?
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Why use caching when we already have volatile RAM (Random Access Memory)?
Transistors are employed in both random access memory and caching. If it were technically feasible, could a computer use just one kind of memory for all of its processes?
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- If a microprocessor has a cycle time of 0.5 nanoseconds, what’s the processor clock rate? If the fetch cycle is 40% of the processor cycle time, what memory access speed is required to implement load operations with zero wait states and load operations with two wait states?We already have RAM (Random Access Memory), a volatile kind of memory, so what's the point of using cache?Cache memory and random-access memory (RAM) both employ semiconductors. Is it conceivable, if at all possible, to employ just one kind of memory to carry out all of a computer's functions?Since that random access memory (RAM) and cache memory (CM) are both constructed of transistors, one could wonder why the latter is necessary. Is it possible to rely only on one kind of storage media for all of your data?
- The use of transistors in RAM and ROM construction led me to believe that cache memory is unnecessary.Temporarily vacant random-access memory (RAM) is another way to conceptualise transient storage. Imagine a machine with a single type of memory. Is this even possible?The Harvard architecture has a number of benefits over the von Neumann architecture. What are these advantages? Is it enough to equip a von Neumann machine with a dual-ported RAM (that is, a RAM that permits two concurrent accesses) to qualify it as a Harvard machine, or is there anything else that has to be added to the mix?Let's say, for the sake of simplicity, that a RISC processor executes each instruction in 2 microseconds and that an I/O device can only wait for an interrupt to be handled for a maximum of 1 millisecond before it is handled. Do you have any idea how many instructions can be run with interruptions disabled before they reach a certain number?
- 148 This is what you're going to do. Let's say that a RISC processor takes 2 microseconds to do each instruction, and that an I/O device can only wait 1 millisecond before its interrupt is handled. When interrupts are turned off, how many instructions can be run?Let us suppose, for the sake of simplicity, that each instruction on a RISC processor is processed in 2 microseconds and that an I/O device can only wait for an interrupt to be handled for a maximum of 1 millisecond before it is serviced. When interruptions are turned off, the number of instructions that may be performed is limited.Suppose a DRAM memory has 4 K rows in its array of bit cells, its refreshing period is 64 ms and 4 clock cycles are needed to access each row. What is the time needed to refresh the memory if clock rate is 133 MHz? What fraction of the memory's time is spent performing refreshes?
- You have been contrated to design a memory system for a computer. Assuming the processor has 32 address lines, determine the number of 32 MB memories that can be placed (without overlapping) in the memory space of a processor.Assume that a RISC processor takes 2 microseconds to execute each instruction and that an I/O device can wait at most 1 millisecond before its interrupt is serviced. What is the maximum number of instructions that can be executed with interrupts disabled?Many other potential routes have been proposed up to this point in order to develop a processor that is capable of decrypting encrypted data in addition to system instructions. The next stage is to encrypt the cases that have already been submitted to the court. Is there a particular benefit to using this CPU instead of another one? In order for the central processing unit (CPU) to achieve this degree of speed and efficiency, what architectural constraints must it meet?