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How the processor uses the address bus the data bus and the control bus to communicate with the memory (System Memory)?
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What is the Difference Between memory address and memory?
Memory is microchip; address are processor board slots
Outline steps in CPU writing to memory?
1 The processor puts the required addresses on to the address bus 2 Any addresses that invoke chip select are decoded 3 Chip select is generated 4 The processor waits for memory to settle 5 The processor generates a memory write control bit (MEMW) 6 The processor puts the data on to the data bus 7 The contents are written to a specific location on memory.
Maximum memory address space that the processor can access directly if it is connected to a 16-bit memory?
Max. memory address space= 216 X 2 bytes = 128 Kbytes
What is the reason for computer buses?
Computer buses enable different parts of the computer to communicate. For instance, the Front Side Bus allows the processor to communicate with memory.
Does each address in memory stores just a byte or does it vary?
It depends upon the length of the data bit that is being stored in one memory address by the processor .
How do you find the memory size of n bit address line processor or controller?
2N
What is a bus specify the function of address bus and direction of information flow on the address bus?
A bus is a collection of conducting wires which connect the processor and other devices in parallel scheme. The function of an address bus is to carry the address of the memory locations from the processor to the memory device, the address bus is unidirectional(only in one direction) in this processor so the flow of information on this bus is from the microprocessor to the attached device(memory module).
What is the purrpose of a control unit in a processor?
Control unit generates all the control signals like memory read signal,i/o read signal,memory write signal etc
Which one is faster controller or processor why?
controller performs its operations faster than processor because controller has memory in it so it takes less time cycles for fetching of address or data from memory where as in processor memory is connected externally so time taken will be more to perform its operations.
Where is RAM located in Processor?
RAM is not located inside the processor, but rather mounts into slots on the motherboard. (ram is locate in third part of processor which called as memory address base)
What is the maximum amount of memory any single process on Windows can address?
32 bit processor can access 4294967296 bit memory adderss.
How does the Fetch Decode Execute work?
The program counter in the processor holds the address of the next instruction needed from main memory. The program counter copies its contents into the memory address register. The memory address register then sends the address along the address bus to main memory and the contents of the memory location specified by the address are sent along the data bus to the memory buffer register. The contents of the memory buffer register are then copied to the current instruction register where they are decoded and executed.
