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What is the difference between Harvard and Princeton computer architecture?
Harvard architecture : _________ ______ | code | | | | memory | | CPU | <-----> |_________| | | | | ----------- | data | | memory | ---------------- the CPU generated address is either point to code or data memory. Princeton arhitecture: data memory <--------> CPU <-------> code memory in this the CPU generated address will point to both the data and code. for this some internal operation are take place to point to either data or code. answered by prasad. mail prasad40613@gmail.com
What is logical address space and physical address space?
Logical address is the address generated by the CPU (from the perspective of a program that is running) whereas physical address (or the real address) is the address seen by the memory unit and it allows the data bus to access a particular memory cell in the main memory. All the logical addresses need to be mapped in to physical addresses before they can be used by the MMU. Physical and logical addresses are same when using compile time and load time address binding but they differ when using execution time address binding.
How does the CPU communicate with a device?
There is no such thing as a CPU Drive. If you meant "What does a CPU communicate with", then the answer is everything inside your computer.
What kind of memory address does a CPU generate?
- An MMU (memory management unit) generates physical address. - A CPU (central processing unit) generates a logical address.
What is the difference between virtual logical and physical address spaces?
The concept of a logical address space is simply involved the process of mapping the Logical addresses to their Physical Addresses . Logical addresses are generated by the CPU; also referred to as virtual addresses.while Physical Address is the actual address of the data stored on the physical device and mapped by MMU.
How can interrupt be generated?
when an i/o device is ready to do the process with cpu and the cpu not is not know the status of.. trhe i/o device,then i/o device sends a request to service it
How General register organization in CPU?
The registers in a CPU are organized according to their purpose. There are data registers and address registers. The address registers are in charge of pointing out where certain data stores are.
Which factor determines the speed of CPU?
size of the address bus
What is the purpose of the fan in the CPU?
Most heat is dispersed from the CPU by the heat sink - a large aluminium blob stuck onto the actual CPU. The fan is there to assist in the distribution of heat away from the CPU and into the surrounding atmosphere. So CPU's run so cool - laptops, phones etc, don't have a fan as the CPU's run relatively cool, and the heat generated can be dispersed by convection.
What is numeric processing unit?
The Numeric Processing Unit is a specialized version of a CPU, it can ONLY preform math operations, but does them at a much faster rate than the CPU. Because it is directly controlled by the CPU the NPU does not have ANY address selection ability. Therefore , it has NO connection to the address bus. (Note hte direct connection to the CPU , in modern systems the NPU is physically part of the CPU).
What is the width of the physical address of an Intel Itanium 2 CPU?
50 bits.....
At what address does an 8085 CPU start at when turned on?
0x0000. You will want to start your ROM at the beginning and place your first instruction at that address.
