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Microprocessors
A microprocessor is the heart of any computer, whether it is a server, a desktop machine, or a laptop. This single chip contains the arithmetic, control, and logic circuitry necessary to interpret and execute computer programs.
2,578 Questions
How good is 2MB L2 cache as compared to 3MB L2 cache?
Larger the size is better but it is hard to know how much better. Read/Write latency (time) is also an important factor for performance.
What is the average speed for a central processing unit?
The answer is at best a moving target; the average six months from now will almost certainly be different. Also, "average" how, and over what population? All laptops still in use? All laptops currently being sold? All laptops currently being manufactured? Do underpowered "netbooks" count? The question is so vague as to be effectively meaningless.
it checks for errors or defects on your hard drive and tells the computer not to write there anymore
CPU protection is one who protect the CPU. and the one who destroy the CPU also is the one who protect the CPU and the one who destroy the CPU is the one who protect the CPU and the one who destroy the CPU is the who protect the CPU and the one who destroy the CPU is the one who protect the CPU and the one who destroy the CPU is the who protect the CPU and the one who destroy the CPU is the one who protect the CPU and the one who destroy the CPU is the one who protect the CPU.
What are addressing mode in microprocessor?
Addressing modes of 8051 are
1.Immediate Addressing Mode
2.Register Addressing Mode
3.Register Indirect Addressing Mode
4.Direct Addressing Mode
5.Implied Addressing Mode and
6.Relative Addressing Mode
What feature enables a single-core CPU to function like two CPUs?
Hyper-Threading is a technology used by some Intel microprocessors that allows a single microprocessor to act like two separate processors to the operating system and the application programs that use it.
Hyper-Threading Technology (HT Technology) is the brand under which Intel markets a generation of processors that can increase efficiency by improving multi-task processing, and are ideal in multi-threaded environments.
How do you compare the processors of Intel and AMD?
Intel Processor Comparison depends on your Ram and hard disk storage. It also allows you to browse the internet, chat online, share and edit photos and videos, online games, and much more
What is more important for computer performance processor speed or number of cores?
Depends on the application. If you are doing alot of multitasking (running many programs at once) then a multi-core will be a good option. CPU clock speed is relative in this because it is common knowledge that a good dual core processor can outperform quad cores in gaming at times. This is because most games out now do not utilize the 4 cores. So in conclusion it really depends on what you want to do. For gaming, a dual core is a good option, for heavy multitasking a 4 core may be good for you.
Explain different types of flags in 8085 microprocessor?
Flags are microprocessor dependent. ie flags are different for different microprocessors. Flag represents the status ( & Type) of the operation performed.
Ex: In terms of 8085 we have 5 flags : Zero, Carry, Ac Carry, Parity, Sign
Flag register is of 8 bits in this case.
These flags can also be used for logic implementation.
What is the definition of microprocessor internal speed?
Measurements of Internal Microprocessor Speed:
Clock Frequency: How many computational "Clock Cycles" a processor can perform per second. This number is almost always measured in a Hz value, and in modern times a Gigahertz value, or GHz
IPC: Instructions per Clock. How many instructions a processor can compute per Clock Cycle. This is more important for real-world speed than the Clock Frequency, as a processor with 20 IPC at 2GHz is just as fast, or even faster than a 10 IPC at 4GHz processor. This is due to Branch Prediction errors, cache delay, and the fact the processor does twice the calculations per cycle.
FLOPS- Floating Point Operations Per Second. These are processor operations that are a bit more complex than Instructions, but still fairly simple. A processor's FLOP count is measured in an effort to put a number on the processor's "Real World" performance-- in a better light than Frequency and IPC. In today's world, you may hear these called Giga-Flops or Tera-Flops, just like the Gigahertz mentioned above.
There are other, smaller things, such as cycles lost per prediction / instruction error, internal latency, cache, speed, and the sort, but they typically show up in one or all of the above mentioned measurements.
This question could mean a large number of things.
1. Full form of "CPU" - Central Processing unit
2. Full 'form' of CPU - A highly complex composition of transistors arranged intelligently in order to carry out a large number of individual tasks, ranging from performing calculations to storing data.
3. Full form of CPU - Small square with hundreds of small golden pins on the bottom with a thin green band of silicon along the middle. The top is typically covered with a thick metal shielding / thermal plate, with emblems and information etched into the top.
What does the CPU fan connect to?
The fans usually connect to the motherboard, but they can connect directly to the power supply unit.
What size processor do you need?
The processor size or speed does not determine how much RAM your system needs. Generally speaking, the newer the system, the more RAM you can add. The amount of RAM slots on a motherboard and the motherboard's own subsystem (the BIOS) will determine how much RAM you can add to a particular motherboard.
What are the different frequencies used in 8085 microprocessor?
I'm not quite certain what you're asking, but three versions of the 8085 processor were released; 3, 5 and 6 MHz.
What is the purpose of an address bus?
The address bus is used by the processor in a computer to locate a piece of data from the RAM (Random Access Memory) that it needs to access. No real data is carried via the address bus, as this is the job of the Data Bus.
The pieces of data that the address bus locates are called "addresses" and the address bus transfers "data addresses" to and from the control unit.
Why all the 16 address lines are not act as a data lines in 8085 microprocessor?
the 8085 microprocessor is a 8-bit microprocessor and these are bidirectional but the address lines are unidirectional.these address lines are used to address the location of the instruction in memory .these data lines are used to transfer data between processor and peripheral devices. when the address of the instruction will be recognized by the address lines the data will be send to the processor
therefore the 16 address lines are not act as a data lines in 8085
What are 2 major manufactures of processors?
The two major manufacturers of processors are Intel and AMD
Who invented the microprocessor first and what was the first microprocessor?
Ted hughes was the first person who designed microprocessors.
In 1971 Ted hughes make first microprocessor for intel.
The name of the first microprocessor was:
Intel-4004.
It contains lacs of electronic circuits.
What technique that allows a single processor to simultaneously process multiple instructions?
Superscalar
Page 262 in Operating Sysetm Book
What is the computers brain referred as?
It has several names. The correct phrase is the 'CPU' or 'Central Processing Unit', sometimes called Processor for short.
It is NOT correct to call the entire computer chassis/case/tower (the big box thing, without monitor, keyboard, etc.) a CPU, or Processor, because the chassis/case/tower typically contains at least two processors and may have more than one dozen.
The CPU is the main processor, which is what you hear whenever someone talks about Intel and AMD, 'Gigahertz', 'Cores' and such. It's the most integral part of a system's function. Without it, NOTHING works.
What is the difference between Instructions decode and register fetch?
Instruction register is use to store the next instruction to be executed.
Instruction decoder is use to decode the instruction come from the memory and tell the CPU what is instruction really are. (CPU interpret instruction is different from the data store in the memory . A good example is , memory can store hexadecimal, but device only can read binary data.) without decoder the device cannot indicate or recognize the data )
Distinction
"memory can store hexadecimal, but device only can read binary data" This is an improperly worded, misleading statement. The difference between binary and hexadecimal is purely interpretive. Reading hexadecimal is a function of dividing the bits into groups of 4 and assigning a unique symbol to the pattern; 0-9 + A-F. This is only translating from one numbering system to another. The memory isn't specifically able to store hexadecimal as opposed to binary; it stores a BYTE as a group of EIGHT BITS no matter what. So even if the hardware is designed to move 64 bits at a time, grouping the bits into nibbles of four bits is how we interpret the bit pattern in hexadecimal.
Another Answer <<< Truth!
Instruction Register is where the instruction bit pattern is loaded for execution. Instruction Decoder is all the hardware logic that is cascade triggered by the instruction bit pattern during execution.
What is the difference between control unit and memory unit?
Control Unit
All computers follow instructions that are given to it in a program. These instructions are in a particular order in the program, and following them, and carrying them out, will mean that the computer has accomplished whatever task it was meant to do. Something in the computer has to manage the instructions and make sure that all the other parts of the processor do what they should be doing. This is the job of the control unit.
The control unit has three jobs:
- It has to decide which instruction to carry out next and then go and get it.
- It has to decipher the instruction, in other words it has to work out what needs to be done to carry the instruction out.
- It has to tell other parts of the processor what they should do so that the instruction will be carried out.
Memory Unit
The third part of the processor is where everything that the processor is going to use is stored. This includes all the program instructions and all the data needed to carry out those instructions. One of the jobs of the control unit is to be able to find the information stored there when it is to be used. The parts of the operating system, which the computer is using at the time, also need to be stored in memory.
